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November

2023

| Event Location: Henn 309 | Speaker: Wyatt Reeves: PhD student for Final Defense

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Understanding quantum chaos in conformal field theories is extremely important. Chaotic dynamics can explain why so many systems can be studied with statistical mechanics, and why systems reach ``typical’’ states so quickly. Outside of the simplest, highly symmetric systems, all systems are expected to be described by chaotic dynamics; whether and how these dynamics can appear in theories with conformal symmetry is thus essential to further our understanding of most CFTs.

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Add to Calendar 2023-11-30T14:00:00 2023-11-30T16:30:00 Quantum Chaos in Conformal Field Theories Understanding quantum chaos in conformal field theories is extremely important. Chaotic dynamics can explain why so many systems can be studied with statistical mechanics, and why systems reach ``typical’’ states so quickly. Outside of the simplest, highly symmetric systems, all systems are expected to be described by chaotic dynamics; whether and how these dynamics can appear in theories with conformal symmetry is thus essential to further our understanding of most CFTs. Event Location: Henn 309

November

2023

| Event Location: McLeod 3038 | Speaker: Nitin Kaushal- QMI

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Abstract: Moiré materials constructed using the transition metal dichalcogenide (TMD) bilayers have been used to simulate the Hubbard model with long range Coulomb interactions procuring the lattice Wigner crystal states at fractional fillings like n=2/3, 1/2, and 1/3. We study the gamma-valley TMD homobilayers which can give rise to the effective moire honeycomb lattices, as shown by recent ab-initio studies.

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Add to Calendar 2023-11-30T10:00:00 2023-11-30T11:00:00 Realization of magnetically frustrated Wigner crystals and a novel multiorbital model in transition metal dichalcogenide based moiré materials Abstract: Moiré materials constructed using the transition metal dichalcogenide (TMD) bilayers have been used to simulate the Hubbard model with long range Coulomb interactions procuring the lattice Wigner crystal states at fractional fillings like n=2/3, 1/2, and 1/3. We study the gamma-valley TMD homobilayers which can give rise to the effective moire honeycomb lattices, as shown by recent ab-initio studies. Event Location: McLeod 3038

November

2023

| Event Location: Hennings 318 | Speaker: Prof. David Kipping, Columbia University, remote. For more details, see http://davidkipping.co.uk/; http://www.youtube.com/coolworldslab

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Add to Calendar 2023-11-29T15:00:00 2023-11-29T16:00:00 The Observational Quest for Transiting Exomoons Abstract Event Location: Hennings 318

November

2023

| Event Location: HENN 318 | Speaker: Katelin Schutz (McGill University)

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Add to Calendar 2023-11-27T16:00:00 2023-11-27T17:00:00 CHIME is secretly an axion experiment   Event Location: HENN 318

November

2023

| Event Location: HENN 301 | Speaker: Mark Van Raamsdonk (UBC PHAS!)

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Abstract

In this talk, I'll describe how ordinary spacetime might arise from quantum physics (in what's known as the holographic approach to quantum gravity), how our universe might be related to a giant wormhole, and how this picture can lead to predictions for cosmology (such as decreasing dark energy and an eventual big crunch).

Bio:

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Add to Calendar 2023-11-24T14:30:00 2023-11-24T15:30:00 Holography, wormholes, and cosmology   Abstract:  In this talk, I'll describe how ordinary spacetime might arise from quantum physics (in what's known as the holographic approach to quantum gravity), how our universe might be related to a giant wormhole, and how this picture can lead to predictions for cosmology (such as decreasing dark energy and an eventual big crunch). Bio: Event Location: HENN 301

November

2023

| Event Location: HENN 202 | Speaker: Matt McQuinn, University of Washington

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Add to Calendar 2023-11-23T16:00:00 2023-11-23T17:00:00 A new concept to measure geometrically the expansion of the universe   Event Location: HENN 202

November

2023

| Event Location: BRIM | Speaker: Jeff Sonier – Simon Fraser University

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CM Seminar: CM Seminar: Jeff Sonier – Simon Fraser University
Title: Muon Studies of Superconducting UTe2

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Add to Calendar 2023-11-23T10:00:00 2023-11-23T11:00:00 Muon Studies of Superconducting UTe2 CM Seminar: CM Seminar: Jeff Sonier – Simon Fraser UniversityTitle: Muon Studies of Superconducting UTe2 Event Location: BRIM

November

2023

| Event Location: Zoom:https://ubc.zoom.us/j/66771351287?pwd=YnJNUXJ3RHVrcHBEeXk3eEJWNFNDZz09 Passcode: 530425 | Speaker: Emilie Carpentier (PhD student)

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Add to Calendar 2023-11-21T10:00:00 2023-11-21T12:00:00 Four dimensional dose calculations and planning strategies for dynamic tumour tracking treatments Event Location: Zoom:https://ubc.zoom.us/j/66771351287?pwd=YnJNUXJ3RHVrcHBEeXk3eEJWNFNDZz09 Passcode: 530425

November

2023

| Event Location: HENN 318 | Speaker: Ryan MacDonald, U. Michigan

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Abstract:

JWST is now delivering ultra-precise spectra of exoplanet atmospheres over a significantly wider wavelength range than afforded by previous observations. This exceptional improvement in data quality has opened new areas of atmospheric science to observational study that were previously out of reach.

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Add to Calendar 2023-11-20T16:00:00 2023-11-20T17:00:00 Exoplanet Atmospheres Through the Eyes of JWST   Abstract: JWST is now delivering ultra-precise spectra of exoplanet atmospheres over a significantly wider wavelength range than afforded by previous observations. This exceptional improvement in data quality has opened new areas of atmospheric science to observational study that were previously out of reach. Event Location: HENN 318

November

2023

| Event Location: HENN 318 | Speaker: Justin Kaid, University of Washington (*in-person)

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Abstract

The common statement that any consistent quantum gravity theory contains dynamical objects with all possible charges suggests that there are still a number of hitherto-unidentified branes in string theory. In this talk I will discuss four of these new branes, focusing on heterotic string theories. The focus of the discussion will be on the relationship between these branes and the lower-dimensional vacua obtained by closed string tachyon condensation in the ten-dimensional, non-supersymmetric heterotic string theories. 

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Add to Calendar 2023-11-17T13:00:00 2023-11-17T14:00:00 UBC High Energy Seminar: Non-Supersymmetric Heterotic Branes   Abstract:  The common statement that any consistent quantum gravity theory contains dynamical objects with all possible charges suggests that there are still a number of hitherto-unidentified branes in string theory. In this talk I will discuss four of these new branes, focusing on heterotic string theories. The focus of the discussion will be on the relationship between these branes and the lower-dimensional vacua obtained by closed string tachyon condensation in the ten-dimensional, non-supersymmetric heterotic string theories.  Event Location: HENN 318

November

2023

| Event Location: BRIM 311 | Speaker: Xiaodong Xu – University of Washington

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CM Seminar: Xiaodong Xu – University of Washington
Title: Observation of Fractional Quantum Anomalous Hall Effect

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Add to Calendar 2023-11-16T10:00:00 2023-11-16T11:00:00 Observation of Fractional Quantum Anomalous Hall Effect CM Seminar: Xiaodong Xu – University of WashingtonTitle: Observation of Fractional Quantum Anomalous Hall Effect Event Location: BRIM 311

November

2023

| Event Location: Hennings 318 | Speaker: Prof. Julio Parra Martinez, University of British Columbia, In-person, Blackboard-style talk (with supplemental plots)

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Add to Calendar 2023-11-15T15:00:00 2023-11-15T16:00:00 Analytical approaches to the relativistic two-body problem Event Location: Hennings 318

November

2023

| Event Location: HENN 202 | Speaker: Sarah Rauscher (University of Toronto, Mississauga)

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Abstract:

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Add to Calendar 2023-11-09T16:00:00 0223-11-09T17:00:00 Molecular Simulations of Protein Structure and Dynamics Abstract: Event Location: HENN 202

November

2023

| Event Location: Henning 318 | Speaker: Prof. Salvatore Vitale, Principal Investigator, MIT Kavli Institute for Astrophysics and Space Research, https://physics.mit.edu/faculty/salvatore-vitale/ (remote)

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TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1KhUBNa57gTUUcqiO76yYEErsIPNuI9v5/view?usp=sharing

Abstract:

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Add to Calendar 2023-11-08T15:00:00 2023-11-08T16:00:00 Gravitational-wave astrophysics TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1KhUBNa57gTUUcqiO76yYEErsIPNuI9v5/view?usp=sharing Abstract: Event Location: Henning 318

November

2023

| Event Location: HENN 318 | Speaker: Marcin Sawicki, Professor and Canada Research Chair (Saint Mary’s University)

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Add to Calendar 2023-11-06T16:00:00 2023-11-06T17:00:00 JWST’s Distant Universe as Seen by CANUCS   Event Location: HENN 318

November

2023

| Event Location: HENN 202 | Speaker: Prof. H. Tom Soh, Department of Electrical Engineering, Department of Bioengineering & the Department of Radiology at Standford University

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Abstract

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Add to Calendar 2023-11-02T17:15:00 2023-11-02T18:15:00 Real-Time Biosensor Technology   Abstract:  Event Location: HENN 202

November

2023

| Event Location: HENN 202 | Speaker: Sang-Wook Cheong, Rutgers - State University of New Jersey

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Add to Calendar 2023-11-02T16:00:00 2023-11-02T17:00:00 Chirality and Kinetomagnetism   Event Location: HENN 202

November

2023

| Event Location: BRIM 311 | Speaker: Joseph Checkelsky

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Title:  Natural Superlattice Design of Modulated Superconductors

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Add to Calendar 2023-11-02T10:00:00 2023-11-02T11:00:00 Natural Superlattice Design of Modulated Superconductors Title:  Natural Superlattice Design of Modulated Superconductors Event Location: BRIM 311

November

2023

| Event Location: Henn 318 | Speaker: Ewan Wright, PhD candidate, UBC (remote)

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Abstract:

TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1Dxf3FnXZUTK7MsYFDV7Wy-Ul0NSmCpyZ/view?usp=sharing

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Add to Calendar 2023-11-01T15:00:00 2023-11-01T16:00:00 Downward spirals: a PhD on risky rocket reentries Abstract: TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1Dxf3FnXZUTK7MsYFDV7Wy-Ul0NSmCpyZ/view?usp=sharing Event Location: Henn 318

October

2023

| Event Location: HENN 318 | Speaker: Romeel Davé, University of Edinburgh

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Abstract:

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Add to Calendar 2023-10-30T16:00:00 2023-10-30T17:00:00 Five Surprising Results From the Simba Simulations Abstract: Event Location: HENN 318

October

2023

| Event Location: HENN 202 | Speaker: Carl Wieman, Stanford University

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Abstract

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Add to Calendar 2023-10-26T16:00:00 2023-10-26T17:00:00 Teaching students to think like physicists Abstract:  Event Location: HENN 202

October

2023

| Event Location: BRIM 311 | Speaker: Lindsay LeBlanc

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Title: Light-matter interactions in cold and ultracold neutral atomic gases: Applications to quantum memory and holonomic quantum operations

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Add to Calendar 2023-10-26T10:00:00 2023-10-26T11:00:00 Light-matter interactions in cold and ultracold neutral atomic gases: Applications to quantum memory and holonomic quantum operations Title: Light-matter interactions in cold and ultracold neutral atomic gases: Applications to quantum memory and holonomic quantum operations Event Location: BRIM 311

October

2023

| Event Location: HENN 318 | Speaker: Multiple speakers: students, postdocs and faculty!

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Today's astronomy colloquium slot will consist of the Astronomy Jamboree, with astronomy students, postdocs, and faculty giving 55-second 'lightning talks' with a summary of what they are working on.  If you want to see the breadth of astronomy research in the department, come and listen!

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Add to Calendar 2023-10-23T16:00:00 2023-10-23T17:00:00 Astronomy Jamboree! Today's astronomy colloquium slot will consist of the Astronomy Jamboree, with astronomy students, postdocs, and faculty giving 55-second 'lightning talks' with a summary of what they are working on.  If you want to see the breadth of astronomy research in the department, come and listen! Event Location: HENN 318

October

2023

| Event Location: *This week's talk is available via Zoom only* | Speaker: Chandralekha Singh, University of Pittsburgh

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Abstract

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Add to Calendar 2023-10-19T16:00:00 2023-10-19T17:00:00 Facilitating thinking and learning in and beyond the physics classrooms using research-based approaches Abstract:  Event Location: *This week's talk is available via Zoom only*

October

2023

| Event Location: BRIM 311 | Speaker: Marcel Franz

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Title: d-mon: an improved transmon qubit based on a cuprate Josephson junction

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Add to Calendar 2023-10-19T10:00:00 2023-10-19T11:00:00 d-mon: an improved transmon qubit based on a cuprate Josephson junction Title: d-mon: an improved transmon qubit based on a cuprate Josephson junction Event Location: BRIM 311

October

2023

| Event Location: HENN 318 | Speaker: Dr. Michael Lam (SETI Institute)

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Abstract

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Add to Calendar 2023-10-16T16:00:00 2023-10-16T17:00:00 Constructing a Pulsar Interstellar Medium Array Abstract:  Event Location: HENN 318

October

2023

| Event Location: Henn 309 | Speaker: Raelyn Sullivan, PhD candidate, UBC (in-person)

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Abstract

This presentation delves into the effects of our motion through the Universe on our observations. I will discuss the significance of this phenomenon and its relevance in cosmology, including a detailed examination of Cosmic Microwave Background (CMB) data and insights from source count studies, notably involving quasars. I will conclude by examining the broader implications of our cosmic motion. 

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Add to Calendar 2023-10-16T11:00:00 2023-10-16T12:00:00 Who’s moving anyway? Effects of our motion on astronomical measurements Abstract:  This presentation delves into the effects of our motion through the Universe on our observations. I will discuss the significance of this phenomenon and its relevance in cosmology, including a detailed examination of Cosmic Microwave Background (CMB) data and insights from source count studies, notably involving quasars. I will conclude by examining the broader implications of our cosmic motion.  Event Location: Henn 309

October

2023

| Event Location: HENN 318 | Speaker: Douglas Scott (University of British Columbia, Department of Physics & Astronomy)

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Abstract:

The cosmic neutrino background is like the cosmic microwave background, but less photon-y and more neutrino-ey.  The CNB is also less talked about than the CMB, mostly because it's nearly impossible to detect directly.  But it's different in several interesting ways that will be discussed.

Bio

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Add to Calendar 2023-10-12T16:00:00 2023-10-12T17:00:00 The Cosmic Neutrino Background Abstract: The cosmic neutrino background is like the cosmic microwave background, but less photon-y and more neutrino-ey.  The CNB is also less talked about than the CMB, mostly because it's nearly impossible to detect directly.  But it's different in several interesting ways that will be discussed. Bio:  Event Location: HENN 318

October

2023

| Event Location: QMI Brimacombe 488. | Speaker: Oguzhan Can(PhD student)

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Add to Calendar 2023-10-06T10:00:00 2023-10-06T12:00:00 Topological superconductivity in twisted cuprates and device applications inspired by their Josephson physics Event Location: QMI Brimacombe 488.

October

2023

| Event Location: HENN 202 | Speaker: *This event has been cancelled*

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*This event has been cancelled*

 

Abstract:
Queer civil rights in the USA have been hard won from direct activism and organization of a diverse coalition of people, including trans women and men, People of Color, and members of the LGBT+ community more broadly. 

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Add to Calendar 2023-10-05T16:00:00 2023-10-05T17:00:00 Cancelled: Queering Physics: A History of the Queer Rights in the USA and LGBT+ Advocacy in Physics *This event has been cancelled*   Abstract:Queer civil rights in the USA have been hard won from direct activism and organization of a diverse coalition of people, including trans women and men, People of Color, and members of the LGBT+ community more broadly.  Event Location: HENN 202

September

2023

| Event Location: HENN 202 | Speaker: Suckjoon Jun (University of California, San Diego)

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Abstract: 

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Add to Calendar 2023-09-28T16:00:00 2023-09-28T17:00:00 Growth, size, and precision control Abstract:  Event Location: HENN 202

September

2023

| Event Location: HENN 318 | Speaker: Andy Zhao

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Abstract

Supersymmetric partition functions often have interesting geometric interpretations. For example, the partition function of the 2d A-model encodes the zero-pointed Gromov Witten invariants of the target space. Such interpretations sometimes allow us to derive new identities or test existing conjectures. 

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Add to Calendar 2023-09-26T14:00:00 2023-09-26T15:00:00 Hemisphere index of 3d N=4 and enumerative geometry Abstract:  Supersymmetric partition functions often have interesting geometric interpretations. For example, the partition function of the 2d A-model encodes the zero-pointed Gromov Witten invariants of the target space. Such interpretations sometimes allow us to derive new identities or test existing conjectures.  Event Location: HENN 318

September

2023

| Event Location: Henn 318 | Speaker: Wyatt Reeves(PhD student)

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Understanding quantum chaos in conformal field theories is extremely important. Chaotic dynamics can explain why so many systems can be studied with statistical mechanics, and why systems reach ``typical’’ states so quickly. Outside of the simplest, highly symmetric systems, all systems are expected to be described by chaotic dynamics; whether and how these dynamics can appear in theories with conformal symmetry is thus essential to further our understanding of most CFTs.

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Add to Calendar 2023-09-26T10:00:00 2023-09-26T12:00:00 Quantum Chaos in Conformal Field Theories" Understanding quantum chaos in conformal field theories is extremely important. Chaotic dynamics can explain why so many systems can be studied with statistical mechanics, and why systems reach ``typical’’ states so quickly. Outside of the simplest, highly symmetric systems, all systems are expected to be described by chaotic dynamics; whether and how these dynamics can appear in theories with conformal symmetry is thus essential to further our understanding of most CFTs. Event Location: Henn 318

September

2023

| Event Location: Henn 318 | Speaker: Prof. Sergey Klimenko, University of Florida (remote)

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TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1OUNXpiVXfLfKK0drnOyUKkQzGZj6vtjc/view?usp=sharing

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Add to Calendar 2023-09-25T11:00:00 2023-09-25T12:00:00 Einstein’s Zoo: the hunt for new species TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1OUNXpiVXfLfKK0drnOyUKkQzGZj6vtjc/view?usp=sharing Event Location: Henn 318

September

2023

| Event Location: HENN 202 | Speaker: Allanah Hallas, Cindy Shaheen, Chris Hearty, Valery Milner, Allison Man/Lucas Kuhn, Chloé Malbrunot/Doug Bryman, Andrew Potter and Steve Plotkin.

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Introduction:

Our annual Research Jamboree is geared towards grad and undergrad students interested in research opportunities at PHAS. Faculty will briefly outline their research areas and student needs. Bring your questions!

Speaker list and abstracts:

1. Alannah Hallas: From structure to function in quantum materials

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Add to Calendar 2023-09-21T16:00:00 2023-09-21T17:00:00 Research Jamboree! A deep dive into diverse research fields Introduction: Our annual Research Jamboree is geared towards grad and undergrad students interested in research opportunities at PHAS. Faculty will briefly outline their research areas and student needs. Bring your questions! Speaker list and abstracts: 1. Alannah Hallas: From structure to function in quantum materials Event Location: HENN 202

September

2023

| Event Location: Henn 318 | Speaker: Gray Reid(PhD Student)

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In this thesis we present a series of studies in numerical relativity investigating stability, hyperbolicity and critical phenomena. The first part of our work is dedicated to the study of d-stars, hypothetical objects consisting of a boson star and global monopole minimally or nonminimally coupled to the general relativistic gravitational field. The space of solutions for these systems is large and, for a wide range of coupling parameters, exhibits ground state solutions with asymptotic shells of bosonic matter.

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Add to Calendar 2023-09-20T15:00:00 2023-09-20T17:00:00 Topics in Numerical Relativity In this thesis we present a series of studies in numerical relativity investigating stability, hyperbolicity and critical phenomena. The first part of our work is dedicated to the study of d-stars, hypothetical objects consisting of a boson star and global monopole minimally or nonminimally coupled to the general relativistic gravitational field. The space of solutions for these systems is large and, for a wide range of coupling parameters, exhibits ground state solutions with asymptotic shells of bosonic matter. Event Location: Henn 318

September

2023

| Event Location: HENN 202 | Speaker: Dr. Ingrid Stairs (University of British Columbia)

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About:

Precision timing of an array of millisecond radio pulsars spread across the sky can be used to look for low-frequency gravitational waves.  In June 2023, the North American Nanohertz Observatory for Gravitational Waves (NANOGrav), along with other pulsar timing array collaborations, released evidence for such gravitational waves, likely in the form of a stochastic background due to supermassive black hole binaries in the universe.  I will review the NANOGrav observational and detection methods, and discuss the implications of our find.

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Add to Calendar 2023-09-14T16:00:00 2023-09-14T17:00:00 Evidence for low-frequency gravitational waves from pulsar timing About: Precision timing of an array of millisecond radio pulsars spread across the sky can be used to look for low-frequency gravitational waves.  In June 2023, the North American Nanohertz Observatory for Gravitational Waves (NANOGrav), along with other pulsar timing array collaborations, released evidence for such gravitational waves, likely in the form of a stochastic background due to supermassive black hole binaries in the universe.  I will review the NANOGrav observational and detection methods, and discuss the implications of our find. Event Location: HENN 202

September

2023

| Event Location: Hennings 318 | Speaker: Vincent (Hong Zhe) Chen

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Abstract:

While entanglement has been examined extensively in AdS/CFT, it has avoided significant attention in the study of celestial holography and asymptotic symmetries relevant to asymptotically flat spacetime.

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Add to Calendar 2023-09-12T14:00:00 2023-09-12T15:00:00 Asymptotic entanglement and celestial holography Abstract: While entanglement has been examined extensively in AdS/CFT, it has avoided significant attention in the study of celestial holography and asymptotic symmetries relevant to asymptotically flat spacetime. Event Location: Hennings 318

September

2023

| Event Location: HENN 318 | Speaker: Dr. Anna Ordog (UBC-O and Dominion Radio Astrophysical Observatory, https://astroherzberg.org/people/anna-ordog/)

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About:

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Add to Calendar 2023-09-11T16:00:00 2023-09-11T17:00:00 The polarised radio sky at the DRAO and the quest to understand the magnetized Milky Way About: Event Location: HENN 318

September

2023

| Event Location: HENN 318 | Speaker: Prof. Prajval Shastri (Raman Research Institute, India and International Centre for Radio Astronomy Research, Australia, https://prajvalshastri.wordpress.com)

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About this Galaxy Seminar:

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Add to Calendar 2023-09-11T11:00:00 2023-09-11T12:00:00 Different Angles on Accreting Supermassive Black Holes About this Galaxy Seminar: Event Location: HENN 318

September

2023

| Event Location: Henn 318 | Speaker: Dr. Paolo Cremonese, Universitat de las Illes Balears

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Abstract:

In this talk, I will give a brief introduction on the lensing of gravitational waves, with special attention to the wave optics regime. After the introduction, I will present a method that makes use of the phase of the signal to identify and properly categorize lensed merging binaries events. Finally, I will address a well-known problem in gravitational lensing, the Mass-Sheet Degeneracy and I will show how this could affect parameter estimation for lensed events.

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Add to Calendar 2023-09-07T11:00:00 2023-09-07T12:00:00 Wave Optics in Gravitational Wave Lensing Abstract: In this talk, I will give a brief introduction on the lensing of gravitational waves, with special attention to the wave optics regime. After the introduction, I will present a method that makes use of the phase of the signal to identify and properly categorize lensed merging binaries events. Finally, I will address a well-known problem in gravitational lensing, the Mass-Sheet Degeneracy and I will show how this could affect parameter estimation for lensed events. Event Location: Henn 318

August

2023

| Event Location: HENN 318 | Speaker: Ben Scully, PHAS summer undergraduate intern

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ASTRO Colloquia for Summer 2023

* Summer undergraduate student talk will be ~20-30 minutes including Q&A

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Add to Calendar 2023-08-21T15:00:00 2023-08-21T16:00:00 Semi-supervised clustering of LIGO-VIRGO signals to improve GSpyNetTree classification ASTRO Colloquia for Summer 2023 * Summer undergraduate student talk will be ~20-30 minutes including Q&A Event Location: HENN 318

August

2023

| Event Location: HENN 318 | Speaker: Martes Wong, PHAS summer undergraduate intern; Mercedes Thompson PHAS MSc. student

Related Upcoming Events:

Martes will be speaking on: "Looking into the void: Spectral Analysis of Intracluster Light using MUSE"

Mercedes will be speaking on: "Breaking the Third Dimension: Outflow Proprieties of a Triply Lensed Quiescent Galaxy at z ~ 1.6"

* Summer undergraduate student talks will be ~20-30 minutes including Q&A

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Add to Calendar 2023-08-14T15:00:00 2023-08-14T16:00:00 ASTRO Colloquia for Summer 2023 Martes will be speaking on: "Looking into the void: Spectral Analysis of Intracluster Light using MUSE" Mercedes will be speaking on: "Breaking the Third Dimension: Outflow Proprieties of a Triply Lensed Quiescent Galaxy at z ~ 1.6" * Summer undergraduate student talks will be ~20-30 minutes including Q&A Event Location: HENN 318

August

2023

| Event Location: Henn 318 | Speaker: Conor Waterfield(MSc student)

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Abstract: Stochastic gravity opens up the ability to study problems where quantum fluctuations are important in semiclassical gravity. Many of these problems require regularization techniques which may break certain symmetries. In this thesis, the effects of fluctuating spacetime on geodesics is studied in the framework of interacting quantum field theories and in studying geodesic deviation. The possibility of using Pauli-Villars to regularize quantum fields in stochastic gravity calculations is explored.

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Add to Calendar 2023-08-08T14:00:00 2023-08-08T15:00:00 Geodesic Scattering and Lorentz Invariance in Stochastic Gravity Abstract: Stochastic gravity opens up the ability to study problems where quantum fluctuations are important in semiclassical gravity. Many of these problems require regularization techniques which may break certain symmetries. In this thesis, the effects of fluctuating spacetime on geodesics is studied in the framework of interacting quantum field theories and in studying geodesic deviation. The possibility of using Pauli-Villars to regularize quantum fields in stochastic gravity calculations is explored. Event Location: Henn 318

July

2023

| Event Location: HENN 318 | Speaker: Vaidehi Gupta, PHAS summer undergraduate intern; Harshini Paranjape, PHAS summer undergraduate intern

Related Upcoming Events:

Vaidehi will be speaking on: "Identification of Protocluster memebers near SDP17"

Harshini will be speaking on: "Updating the LIGO auxiliary channel list with the noise score"

 

* Summer undergraduate student talks will be ~20-30 minutes including Q&A

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Add to Calendar 2023-07-31T15:00:00 2023-07-31T16:00:00 ASTRO Colloquia for Summer 2023 Vaidehi will be speaking on: "Identification of Protocluster memebers near SDP17" Harshini will be speaking on: "Updating the LIGO auxiliary channel list with the noise score"   * Summer undergraduate student talks will be ~20-30 minutes including Q&A Event Location: HENN 318

July

2023

| Event Location: https://ubc.zoom.us/j/67853605007?pwd=Y0JrQkZJdlFvb0NRc29PcWVBdWsvdz09 | Speaker: Eleni (Marilena) Lykiardopoulou (PhD student)

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Experimental investigations of nuclear structure provide a probe to study the strong nuclear force, many properties of which still remain unknown. One powerful way to experimentally investigate nuclear structure is through the mass of the atomic nucleus, as it reveals the binding energy of the nucleus.

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Add to Calendar 2023-07-28T09:00:00 2023-07-28T12:00:00 Resurrecting the N = 20 island of inversion and upgrades to the TITAN measurement Penning trap Experimental investigations of nuclear structure provide a probe to study the strong nuclear force, many properties of which still remain unknown. One powerful way to experimentally investigate nuclear structure is through the mass of the atomic nucleus, as it reveals the binding energy of the nucleus. Event Location: https://ubc.zoom.us/j/67853605007?pwd=Y0JrQkZJdlFvb0NRc29PcWVBdWsvdz09

July

2023

| Event Location: HENN 318 | Speaker: James Burgoyne, PHAS M.Sc. student

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James Burgoyne will be speaking on: "Unveiling the transient evolution of a galaxy through a hyper-luminous quasar, Q2343+125 at z=2.577"

 

* Each graduating MSc student talk will be 30 minutes including Q&A

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Add to Calendar 2023-07-24T15:00:00 2023-07-24T16:00:00 ASTRO Colloquia for Summer 2023 James Burgoyne will be speaking on: "Unveiling the transient evolution of a galaxy through a hyper-luminous quasar, Q2343+125 at z=2.577"   * Each graduating MSc student talk will be 30 minutes including Q&A Event Location: HENN 318

July

2023

| Event Location: Hennings Building - Room 318 | Speaker: Bill Unruh

Since Bohr set out his interpretation of Quantum Mechanics which
separated small quantum systems from classical measuring systems, the question
as to whether or not there was a physical division between the quantum and the
classical. Is there some criterion which divides the world into quantum bits
and classical bits? Experiments are not answering the question. In particular
I will argue that the 40Kg mirrors of Ligo have already been shown to be
quantum by showing that that the quantum noise of Ligo arises from an

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Add to Calendar 2023-07-18T10:00:00 2023-07-18T11:00:00 Ligo is Quantum Since Bohr set out his interpretation of Quantum Mechanics which separated small quantum systems from classical measuring systems, the question as to whether or not there was a physical division between the quantum and the classical. Is there some criterion which divides the world into quantum bits and classical bits? Experiments are not answering the question. In particular I will argue that the 40Kg mirrors of Ligo have already been shown to be quantum by showing that that the quantum noise of Ligo arises from an Event Location: Hennings Building - Room 318

July

2023

| Event Location: HENN 318 | Speaker: Dhatri Raghunathan, PHAS summer undergraduate intern

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Astro Colloquia for Summer 2023

* Summer undergraduate student talk will be ~20-30 minutes including Q&A

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Add to Calendar 2023-07-17T15:00:00 2023-07-17T16:00:00 Improving the performance of GSpyNetTree during LIGO-Virgo observing run 4 Astro Colloquia for Summer 2023 * Summer undergraduate student talk will be ~20-30 minutes including Q&A Event Location: HENN 318

July

2023

| Event Location: https://ubc.zoom.us/j/66513543864?pwd=RXVQSFRFNTZINmMrZ3RJUXhHNHJXQT09 | Speaker: Luke Reynolds (PhD student)

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MRI-based assessments of the human brain are critical for research, diagnosis and treatment of neurological disorders. Future clinical practice will demand accurate and consistent quantitative methodology alongside today’s qualitative image evaluations. Consequently, MRI research focuses on developing physical understanding of prevalent techniques and establishing new methods for efficient quantitative analysis. The brain’s complex structure complicates this goal.

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Add to Calendar 2023-07-10T09:00:00 2023-07-10T11:00:00 Longitudinal Relaxation Dynamics in White Matter: Experiments in NMR and MRI MRI-based assessments of the human brain are critical for research, diagnosis and treatment of neurological disorders. Future clinical practice will demand accurate and consistent quantitative methodology alongside today’s qualitative image evaluations. Consequently, MRI research focuses on developing physical understanding of prevalent techniques and establishing new methods for efficient quantitative analysis. The brain’s complex structure complicates this goal. Event Location: https://ubc.zoom.us/j/66513543864?pwd=RXVQSFRFNTZINmMrZ3RJUXhHNHJXQT09