Events
January
| Event Location: Henn 318 and Zoom https://ubc.zoom.us/j/66307083128?pwd=U2hqdXZRWjdnVnE4aEIrWVk2dkhOQT09 Meeting ID: 663 0708 3128 Passcode: 123 One tap mobile +17789072071,,66307083128#,,,,,,0#,,123# Dial by your location +1 778 907 2071 (Vancouver) +1 647 374 4685 (Toronto) +1 647 375 2970 (Toronto) +1 647 375 2971 (Toronto) +1 204 272 7920 (Manitoba) +1 438 809 7799 (Montreal) +1 587 328 1099 (Alberta) +1 613 209 3054 (Ottawa) Join from a videoconferencing system IP: 65.39.152.160 Meeting ID: 663 0708 3128 Passcode: 123 SIP: 66307083128@vn.zmca.us Passcode: 123 | Speaker: Helena Koniar (PhD student)
Abstract: Targeted alpha therapy (TAT) combines an alpha emitting radioisotope with an appropriate biological targeting molecule to selectively bind to cancer cells and deliver highly localised cytotoxic radiation while sparing healthy non-targeted tissues.
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January
| Event Location: HENN 318 | Speaker: Thomas Rennie, UBC Physics & Astronomy
Abstract:
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January
| Event Location: https://ubc.zoom.us/j/67710585936?pwd=cE9kQzEvcHppMjJ4VmI5bkFvSDRpdz09 Passcode: 667047 | Speaker: Justin Poon (PhD student)
Abstract:
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January
| Event Location: https://ubc.zoom.us/j/4747189913?pwd=RHEvdjJ3NWU3TTVCdkZGdHVsWlpOQT09&omn=64712444179 Passcode: 123 | Speaker: Caleb Sample(PhD student)
The complexity of radiotherapy techniques for treating head and neck cancer has significantly advanced over the previous two decades. However, it remains common for patients to finish treatment with a severe loss in salivary function, causing significantly diminished quality of life assessments. The overall goal of research endeavours in this thesis is to develop innovative techniques that lead to better understanding and consideration of salivary glands during head and neck radiotherapy planning.
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January
| Event Location: HENN 318 | Speaker: Smadar Naoz, UCLA
Abstract:
Gravitational wave (GW) emissions from extreme-mass-ratio inspirals (EMRIs) are promising sources for low-frequency GW detectors.
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December
2023
| Event Location: HENN 202 | Speaker: This E&I in PHAS event is in collaboration with the AMS of UBC Sexual Assault Support Centre (SASC), led by SASC educators and outreach team members, including PHAS MSc student Isabelle St-Martin.
About:
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December
2023
| Event Location: BRIM 311 | Speaker: Andrea Young – University of California Santa Barbara
Abstract: The electronic band structure of rhombohedral graphene multilayers hosts van Hove singularities at which the single particle of states diverges. I will discuss experiments in which we use electrostatic gates to tune the chemical potential through these singularities, revealing a cascade of correlated electron phases; notably, both singlet and triplet superconductors are observed proximal to or within generalized ferromagnetic phases where the system spontaneously polarizes into one or more of the spin- and valley isospin flavors.
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December
2023
| Event Location: Hennings 318 | Speaker: Prof. Kipp Cannon, the Research Center for the Early Universe, the University of Tokyo, remote. For more details, see https://www.resceu.s.u-tokyo.ac.jp/~kipp/
Abstract:
I will review constraints on fundamental physics that have been inferred from observations of gravitational waves, and look forward to see what new results might be obtained in the near future, and what might be possible with future generations of gravitational-wave detectors.
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December
2023
| Event Location: HENN 318 | Speaker: Dan Tamayo (Harvey Mudd College)
Abstract:
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November
2023
| Event Location: HENN 202 | Speaker: Jason Holt (TRIUMF/McGill)
Abstract:
What is the mass of the neutrino? Why is there an abundance of matter over antimatter in our universe? And what is dark matter? Strangely enough, answers might very well lie, yet undiscovered, in impossibly rare nuclear decays, infinitely subtle wobblings of nuclei embedded in radioactive molecules, or the faintest recoils of nuclei colliding with dark matter.
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November
2023
| Event Location: Henn 309 | Speaker: Wyatt Reeves: PhD student for Final Defense
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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November
2023
| Event Location: McLeod 3038 | Speaker: Nitin Kaushal- QMI
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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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
Abstract
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November
2023
| Event Location: HENN 318 | Speaker: Katelin Schutz (McGill University)
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November
2023
| Event Location: HENN 301 | Speaker: Mark Van Raamsdonk (UBC PHAS!)
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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November
2023
| Event Location: HENN 202 | Speaker: Matt McQuinn, University of Washington
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November
2023
| Event Location: BRIM | Speaker: Jeff Sonier – Simon Fraser University
CM Seminar: CM Seminar: Jeff Sonier – Simon Fraser University
Title: Muon Studies of Superconducting UTe2
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November
2023
| Event Location: Zoom:https://ubc.zoom.us/j/66771351287?pwd=YnJNUXJ3RHVrcHBEeXk3eEJWNFNDZz09 Passcode: 530425 | Speaker: Emilie Carpentier (PhD student)
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November
2023
| Event Location: HENN 318 | Speaker: Ryan MacDonald, U. Michigan
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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November
2023
| Event Location: HENN 318 | Speaker: Justin Kaid, University of Washington (*in-person)
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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November
2023
| Event Location: BRIM 311 | Speaker: Xiaodong Xu – University of Washington
CM Seminar: Xiaodong Xu – University of Washington
Title: Observation of Fractional Quantum Anomalous Hall Effect
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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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November
2023
| Event Location: HENN 202 | Speaker: Sarah Rauscher (University of Toronto, Mississauga)
Abstract:
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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)
TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1KhUBNa57gTUUcqiO76yYEErsIPNuI9v5/view?usp=sharing
Abstract:
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November
2023
| Event Location: HENN 318 | Speaker: Marcin Sawicki, Professor and Canada Research Chair (Saint Mary’s University)
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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
Abstract:
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November
2023
| Event Location: HENN 202 | Speaker: Sang-Wook Cheong, Rutgers - State University of New Jersey
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November
2023
| Event Location: BRIM 311 | Speaker: Joseph Checkelsky
Title: Natural Superlattice Design of Modulated Superconductors
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November
2023
| Event Location: Henn 318 | Speaker: Ewan Wright, PhD candidate, UBC (remote)
Abstract:
TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1Dxf3FnXZUTK7MsYFDV7Wy-Ul0NSmCpyZ/view?usp=sharing
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October
2023
| Event Location: HENN 318 | Speaker: Romeel Davé, University of Edinburgh
Abstract:
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October
2023
| Event Location: HENN 202 | Speaker: Carl Wieman, Stanford University
Abstract:
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October
2023
| Event Location: BRIM 311 | Speaker: Lindsay LeBlanc
Title: Light-matter interactions in cold and ultracold neutral atomic gases: Applications to quantum memory and holonomic quantum operations
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October
2023
| Event Location: HENN 318 | Speaker: Multiple speakers: students, postdocs and faculty!
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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October
2023
| Event Location: *This week's talk is available via Zoom only* | Speaker: Chandralekha Singh, University of Pittsburgh
Abstract:
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October
2023
| Event Location: BRIM 311 | Speaker: Marcel Franz
Title: d-mon: an improved transmon qubit based on a cuprate Josephson junction
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October
2023
| Event Location: HENN 318 | Speaker: Dr. Michael Lam (SETI Institute)
Abstract:
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October
2023
| Event Location: Henn 309 | Speaker: Raelyn Sullivan, PhD candidate, UBC (in-person)
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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October
2023
| Event Location: HENN 318 | Speaker: Douglas Scott (University of British Columbia, Department of Physics & Astronomy)
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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October
2023
| Event Location: QMI Brimacombe 488. | Speaker: Oguzhan Can(PhD student)
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October
2023
| Event Location: HENN 202 | Speaker: *This event has been cancelled*
*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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September
2023
| Event Location: HENN 202 | Speaker: Suckjoon Jun (University of California, San Diego)
Abstract:
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September
2023
| Event Location: HENN 318 | Speaker: Andy Zhao
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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September
2023
| Event Location: Henn 318 | Speaker: Wyatt Reeves(PhD student)
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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September
2023
| Event Location: Henn 318 | Speaker: Prof. Sergey Klimenko, University of Florida (remote)
TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1OUNXpiVXfLfKK0drnOyUKkQzGZj6vtjc/view?usp=sharing
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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.
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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September
2023
| Event Location: Henn 318 | Speaker: Gray Reid(PhD Student)
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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September
2023
| Event Location: HENN 202 | Speaker: Dr. Ingrid Stairs (University of British Columbia)
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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September
2023
| Event Location: Hennings 318 | Speaker: Vincent (Hong Zhe) Chen
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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September
2023
| Event Location: HENN 318 | Speaker: Dr. Anna Ordog (UBC-O and Dominion Radio Astrophysical Observatory, https://astroherzberg.org/people/anna-ordog/)
About:
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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)
About this Galaxy Seminar:
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