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April

| Event Location: HENN 201 | Speaker: Shohini Ghose (Wilfrid Laurier)

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Add to Calendar 2023-04-06T16:00:00 2023-04-06T17:00:00 Hunting for quantum butterflies Abstract: Event Location: HENN 201

April

| Event Location: HENN 318 | Speaker: Dr. Hyoyin Gan (UBC Physics & Astronomy)

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The detection of the 21 cm signal from the Epoch of Reionisation (EoR) is challenging due to the strong astrophysical foregrounds, radio frequency interference (RFI), and ionospheric and instrumental effects. Most if not all observations of the 21 cm signal at high redshifts show so-called “excess variance” in their power spectrum, well beyond what would be expected based on the thermal noise limit. Understanding the sources of the excess is crucial for improving upper limits on the EoR signal.

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Add to Calendar 2023-04-03T15:00:00 2023-04-03T16:00:00 Exploring excess variance in LOFAR-EoR data using machine learning and image processing and their applications on CHIME data Abstract: The detection of the 21 cm signal from the Epoch of Reionisation (EoR) is challenging due to the strong astrophysical foregrounds, radio frequency interference (RFI), and ionospheric and instrumental effects. Most if not all observations of the 21 cm signal at high redshifts show so-called “excess variance” in their power spectrum, well beyond what would be expected based on the thermal noise limit. Understanding the sources of the excess is crucial for improving upper limits on the EoR signal. Event Location: HENN 318

March

| Event Location: HENN 201 | Speaker: Heather Gray (UC Berkeley)

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The search for the Higgs boson was central to the conception and design of the LHC detectors. However, measurements of the Higgs coupling to the second and third-generation quarks were regarded as extremely challenging and, in some cases, impossible.  Scientific ingenuity and original thought have allowed ATLAS and CMS to probe the coupling of the Higgs boson to quarks. I will discuss the techniques used to achieve this and provide a perspective on future directions in Higgs to quark couplings.

 

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Add to Calendar 2023-03-30T16:00:00 2023-03-30T17:00:00 The Art of the Impossible: Probing Challenging Higgs Channels at the LHC   Abstract: The search for the Higgs boson was central to the conception and design of the LHC detectors. However, measurements of the Higgs coupling to the second and third-generation quarks were regarded as extremely challenging and, in some cases, impossible.  Scientific ingenuity and original thought have allowed ATLAS and CMS to probe the coupling of the Higgs boson to quarks. I will discuss the techniques used to achieve this and provide a perspective on future directions in Higgs to quark couplings.   Bio: Event Location: HENN 201

March

| Event Location: AMPL 311 | Speaker: Adina Luican-Mayer (University of Ottawa)

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Abstract: Material systems, devices, and circuits, based on the manipulation of individual charges, spins, and photons in solid-state platforms are key for quantum technologies. The burgeoning field of quantum two-dimensional (2D) materials presents an emerging opportunity for the development of next-generation quantum technologies, while also pushing the boundaries of fundamental understanding in condensed matter.

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Add to Calendar 2023-03-30T10:00:00 2023-03-30T11:00:00 2D Quantum materials and devices at the atomic scale Abstract: Material systems, devices, and circuits, based on the manipulation of individual charges, spins, and photons in solid-state platforms are key for quantum technologies. The burgeoning field of quantum two-dimensional (2D) materials presents an emerging opportunity for the development of next-generation quantum technologies, while also pushing the boundaries of fundamental understanding in condensed matter. Event Location: AMPL 311

March

| Event Location: HENN 318 | Speaker: Dr. Tarraneh Eftekhari (Northwestern University)

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Add to Calendar 2023-03-27T15:00:00 2023-03-27T16:00:00 Uncovering the Elusive Origin of Fast Radio Bursts Abstract: Event Location: HENN 318

March

| Event Location: HENN 201 | Speaker: Marcos (Danny) Caballero (Department of Physics and Astronomy; Department of Computational Mathematics, Sciences, and Engineering; and CREATE for STEM Institute, Michigan State University; Department of Physics and Center for Computing in Science Education, University of Oslo)

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Computing has revolutionized how modern science is done. Modern scientists use computational techniques to reduce mountains of data, to simulate impossible experiments, and to develop intuition about the behavior of complex systems. Much of the research completed by modern scientists would be impossible without the use of computing. And yet, while computing is a crucial tool of practicing scientists, most modern science curricula do not reflect its importance and utility.

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Add to Calendar 2023-03-23T16:00:00 2023-03-23T17:00:00 Supporting the integration of computing in physics education   Abstract: Computing has revolutionized how modern science is done. Modern scientists use computational techniques to reduce mountains of data, to simulate impossible experiments, and to develop intuition about the behavior of complex systems. Much of the research completed by modern scientists would be impossible without the use of computing. And yet, while computing is a crucial tool of practicing scientists, most modern science curricula do not reflect its importance and utility. Event Location: HENN 201

March

| Event Location: AMPL 311 or watch online | Speaker: Xie Chen (California Institute of Technology)

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Abstract: Fracton order describes the peculiar phenomena that point excitations in certain strongly interacting systems either cannot move at all or can only move in a lower dimensional sub-manifold. It has recently been discovered in various lattice models, tensor gauge theories, etc. In this talk, we discuss how another powerful field theory framework -- the 2+1D Chern-Simons (CS) gauge theory -- can be used to provide new insight and explore new possibilities in 3+1D fracton order.

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Add to Calendar 2023-03-23T10:00:00 2023-03-23T11:00:00 Fracton and Chern-Simons Theory Abstract: Fracton order describes the peculiar phenomena that point excitations in certain strongly interacting systems either cannot move at all or can only move in a lower dimensional sub-manifold. It has recently been discovered in various lattice models, tensor gauge theories, etc. In this talk, we discuss how another powerful field theory framework -- the 2+1D Chern-Simons (CS) gauge theory -- can be used to provide new insight and explore new possibilities in 3+1D fracton order. Event Location: AMPL 311 or watch online

March

| Event Location: Hennings 318 | Speaker: Yukun Huang(PhD student)

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Over the past two decades, our knowledge of the Solar System's transneptunian region (often called the Kuiper Belt) has been gradually increasing. Observational surveys have greatly expand the inventory of TNOs, which are distant icy bodies thought to be relics from the giant planet formation and migration era. As more intricate details are unveiled in the TNO orbital and physical properties, several aspects are thought to be tightly linked to the Solar System's early formation.

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Add to Calendar 2023-03-21T09:00:00 2023-03-21T11:30:00 Dynamics of Transneptunian Objects under the Influence of a Rogue Planet Over the past two decades, our knowledge of the Solar System's transneptunian region (often called the Kuiper Belt) has been gradually increasing. Observational surveys have greatly expand the inventory of TNOs, which are distant icy bodies thought to be relics from the giant planet formation and migration era. As more intricate details are unveiled in the TNO orbital and physical properties, several aspects are thought to be tightly linked to the Solar System's early formation. Event Location: Hennings 318

March

| Event Location: HENN 318 | Speaker: Dr. Kim-Vy Tran (School of Physics, University of New South Wales)

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Add to Calendar 2023-03-20T15:00:00 2023-03-20T16:00:00 Illuminating Dark Halos with Gravitational Lensing   Abstract:  Event Location: HENN 318

March

| Event Location: HENN 201 | Speaker: Paul François (Université de Montréal)

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Add to Calendar 2023-03-16T16:00:00 2023-03-16T17:00:00 Biophysics in latent space   Abstract: Event Location: HENN 201

March

| Event Location: HENN 318 | Speaker: Sven Bachmann, UBC Mathematics

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Add to Calendar 2023-03-16T14:00:00 2023-03-16T15:00:00 Classifying topological quantum pumps Abstract: Event Location: HENN 318

March

| Event Location: HENN 318 | Speaker: Dr. Eileen Otte (Stanford University)

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Add to Calendar 2023-03-16T11:00:00 2023-03-16T12:00:00 Structuring light to reveal the invisible Abstract: Event Location: HENN 318

March

| Event Location: AMPL 311 | Speaker: Frédéric Grillot (Télécom Paris/ University of New-Mexico)

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Abstract: Semiconductor nanostructures with low dimensionality like quantum dots are one the best attractive solutions for achieving high performance photonic devices. When one or more spatial dimensions of the nanocrystal approach the de Broglie wavelength, nanoscale size effects create a spatial quantization of carriers along with various other phenomena based on quantum mechanics.

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Add to Calendar 2023-03-16T10:00:00 2023-03-16T11:00:00 Semiconductor Quantum Dots Abstract: Semiconductor nanostructures with low dimensionality like quantum dots are one the best attractive solutions for achieving high performance photonic devices. When one or more spatial dimensions of the nanocrystal approach the de Broglie wavelength, nanoscale size effects create a spatial quantization of carriers along with various other phenomena based on quantum mechanics. Event Location: AMPL 311

March

| Event Location: HENN 318 | Speaker: Dr. Deborah Lokhorst (Herzberg Astronomy and Astrophysics)

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The majority of baryons in the universe exist outside galaxies, in the circumgalactic (CGM) and intergalactic medium (IGM). The properties of these structures are important to understand as the material they hold is required to fuel ongoing star formation in galaxies. The process of how the gas in the CGM gets into galaxies (and is blown back out through galactic feedback) is still debated, though – in fact, the total mass of the CGM of galaxies is still unknown. This mystery remains due to the near invisibility of the CGM and IGM.

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Add to Calendar 2023-03-13T15:00:00 2023-03-13T16:00:00 The Dragonfly Spectral Line Mapper: New eyes to reveal the faintest and largest structures in the universe   Abstract: The majority of baryons in the universe exist outside galaxies, in the circumgalactic (CGM) and intergalactic medium (IGM). The properties of these structures are important to understand as the material they hold is required to fuel ongoing star formation in galaxies. The process of how the gas in the CGM gets into galaxies (and is blown back out through galactic feedback) is still debated, though – in fact, the total mass of the CGM of galaxies is still unknown. This mystery remains due to the near invisibility of the CGM and IGM. Event Location: HENN 318

March

| Event Location: HENN 318 | Speaker: Dr. Vir B. Bulchandani

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Add to Calendar 2023-03-13T11:00:00 2023-03-13T12:00:00 Quantum devices and the frontier of many-body physics Abstract: Event Location: HENN 318

March

| Event Location: HENN 201 | Speaker: Paula R. L. Heron (University of Washington)

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Add to Calendar 2023-03-09T16:00:00 2023-03-09T17:00:00 Improving Student Learning: The Dual Roles of Conceptual Understanding and Reasoning Ability   Abstract: Event Location: HENN 201

March

| Event Location: HENN 318 | Speaker: Dr. Emily Davis

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Add to Calendar 2023-03-09T11:00:00 2023-03-09T12:00:00 In pursuit of entanglement: XXZ interactions for spin-squeezing in atomic and solid-state spin ensembles   Abstract: Event Location: HENN 318

March

| Event Location: Henn 318 | Speaker: Dr. Howell, University of Western Australia (remote)

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TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1DJ1iAdZ5QPBlQsxkCxyLmdvBqusGGbv7/view?usp=share_link

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Add to Calendar 2023-03-08T16:00:00 2023-03-08T17:00:00 Special Gravity Seminar: The LIGO-Virgo search for gravitational waves associated with Fast Radio Bursts Detected by CHIME/FRB TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1DJ1iAdZ5QPBlQsxkCxyLmdvBqusGGbv7/view?usp=share_link Abstract: Event Location: Henn 318

March

| Event Location: HENN 318 | Speaker: Jessica Wolf

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How are concepts of equity, diversity, inclusion and Indigeneity (EDI.I) taught and assessed in applied sciences?

Why is the teaching of these concepts important for engineers and scientists and how can competency level be meaningfully assessed?

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Add to Calendar 2023-03-08T12:00:00 2023-03-08T13:00:00 Development of an EDI.I Competency Framework for Engineering Programs How are concepts of equity, diversity, inclusion and Indigeneity (EDI.I) taught and assessed in applied sciences? Why is the teaching of these concepts important for engineers and scientists and how can competency level be meaningfully assessed? Event Location: HENN 318

March

| Event Location: HENN 318 | Speaker: Dr. Henric Krawczynski, Physics Department (Washington University in St. Louis)

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Add to Calendar 2023-03-07T12:30:00 2023-03-07T13:30:00 X-Ray Polarization Observations of Stellar Mass Black Holes in X-Ray Binaries with the IXPE and XL-Calibur Experiments   Abstract: Event Location: HENN 318

March

| Event Location: HENN 318 | Speaker: Dr. Nicholas Rodd

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Add to Calendar 2023-03-07T11:00:00 2023-03-07T12:00:00 Echos of the Early Universe in Axion Haloscopes Abstract:  Event Location: HENN 318

March

| Event Location: HENN 318 | Speaker: Dr. G. Mark Voit (Michigan State University)

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The universe’s biggest galaxies have both vast atmospheres and supermassive central black holes. Coupling between those two components of a large galaxy couple regulates the galaxy’s star formation rate. Models of interactions between a supermassive black hole and the large-scale atmosphere suggest that the energy released as cold gas clouds accrete onto the black hole suspends the atmosphere in a state that is marginally stable to formation of cold clouds.

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Add to Calendar 2023-03-06T15:00:00 2023-03-06T16:00:00 Baryon Cycles in the Biggest Galaxies   Abstract: The universe’s biggest galaxies have both vast atmospheres and supermassive central black holes. Coupling between those two components of a large galaxy couple regulates the galaxy’s star formation rate. Models of interactions between a supermassive black hole and the large-scale atmosphere suggest that the energy released as cold gas clouds accrete onto the black hole suspends the atmosphere in a state that is marginally stable to formation of cold clouds. Event Location: HENN 318

March

| Event Location: HENN 318 | Speaker: Steve Choi (Cornell University)

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Add to Calendar 2023-03-06T11:00:00 2023-03-06T12:00:00 Probing fundamental physics by mapping the millimeter and submillimeter sky   Abstract: Event Location: HENN 318

March

| Event Location: HENN 309 | Speaker: Dr. Megan Donahue (Michigan State University)

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Add to Calendar 2023-03-06T10:00:00 2023-03-06T11:00:00 X-ray Insights into the Connection between Quenching of Star Formation and Galaxy Stellar Velocity Dispersion   Abstract: Event Location: HENN 309

March

| Event Location: HENN 201 | Speaker: Special event: Three Minute Thesis (3MT) academic competition

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Three Minute Thesis (3MT)

*On Thursday March 2, 2023 from 4:00 - 5:15pm during the Department Colloquium, in HENN 201*

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Add to Calendar 2023-03-02T16:00:00 2023-03-02T17:15:00 3 Minute Thesis Competition, Physics and Astronomy Heat Three Minute Thesis (3MT) *On Thursday March 2, 2023 from 4:00 - 5:15pm during the Department Colloquium, in HENN 201* Event Location: HENN 201

March

| Event Location: HENN 318 | Speaker: Dr. Carlos Blanco (Postdoctoral Researcher, Princeton University)

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Add to Calendar 2023-03-02T11:00:00 2023-03-02T12:00:00 New directions for the detection of light dark matter   Abstract: Event Location: HENN 318

March

| Event Location: AMPL 311 | Speaker: John Birkbeck (Department of Condensed Matter Physics, Weizmann Institute of Science)

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Abstract: In this talk, I will present a new type of scanning probe microscope, the Quantum Twisting Microscope (QTM), capable of performing local quantum interference measurements at a twistable interface between two quantum materials. Its working principle is based on a unique tip made of an atomically-thin two-dimensional material. This tip allows electrons to coherently tunnel into a sample at many locations at once, with quantum interference between these tunneling events, making it a scanning electronic interferometer.

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Add to Calendar 2023-03-02T10:00:00 2023-03-02T11:00:00 The Quantum Twisting Microscope Abstract: In this talk, I will present a new type of scanning probe microscope, the Quantum Twisting Microscope (QTM), capable of performing local quantum interference measurements at a twistable interface between two quantum materials. Its working principle is based on a unique tip made of an atomically-thin two-dimensional material. This tip allows electrons to coherently tunnel into a sample at many locations at once, with quantum interference between these tunneling events, making it a scanning electronic interferometer. Event Location: AMPL 311

March

| Event Location: HENN 318 | Speaker: Dr. Matthew Liska

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Add to Calendar 2023-03-01T11:00:00 2023-03-01T12:00:00 How do the most luminous black holes accrete and expel gas?   Event Location: HENN 318

February

| Event Location: UBC Centre for Brain Health Room 3402, Vancouver Zoom: https://ubc.zoom.us/j/62544295867?pwd=eURLUHJ3K1V6MVpETVpWTVppOGJOQT09 Meeting ID: 625 4429 5867 Passcode: 682315 | Speaker: Adam Dvorak (PhD student)

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Myelin water imaging (MWI) is a quantitative magnetic resonance imaging (MRI) technique generally regarded as the most rigorous approach for non-invasive, in-vivo measurement of myelin content.

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Add to Calendar 2023-02-28T13:00:00 2023-02-28T15:00:00 Advances in Quantitative Magnetic Resonance Imaging of Myelin Myelin water imaging (MWI) is a quantitative magnetic resonance imaging (MRI) technique generally regarded as the most rigorous approach for non-invasive, in-vivo measurement of myelin content. Event Location: UBC Centre for Brain Health Room 3402, Vancouver Zoom: https://ubc.zoom.us/j/62544295867?pwd=eURLUHJ3K1V6MVpETVpWTVppOGJOQT09 Meeting ID: 625 4429 5867 Passcode: 682315

February

| Event Location: HENN 318 | Speaker: Dr. Chris Matzner (University of Toronto)

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Abstract:

This talk will focus on two somewhat unusual types of shock dynamics associated with core-collapse supernovae:

1. "Bells, not whistles": Some massive stars appear to undergo shock-driven outbursts before their cores collapse. I will show that nonlinear acoustics rules out a standard explanation for how these events are driven, a result that deepens the mystery of their origin.

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Add to Calendar 2023-02-27T15:00:00 2023-02-27T16:00:00 Unexpected Outbursts from Massive Stars   Abstract: This talk will focus on two somewhat unusual types of shock dynamics associated with core-collapse supernovae: 1. "Bells, not whistles": Some massive stars appear to undergo shock-driven outbursts before their cores collapse. I will show that nonlinear acoustics rules out a standard explanation for how these events are driven, a result that deepens the mystery of their origin. Event Location: HENN 318

February

| Event Location: To be confirmed | Speaker: Dr. Philippe Landry, University of Toronto (remote)

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TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/10NAGUXErm9h3xy59d5tGyJTf_MVsHtSL/view?usp=share_link

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Add to Calendar 2023-02-27T11:00:00 2023-02-27T12:00:00 Neutron star science with gravitational waves TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/10NAGUXErm9h3xy59d5tGyJTf_MVsHtSL/view?usp=share_link Abstract: Event Location: To be confirmed

February

| Event Location: HENN 318 | Speaker: Dr. Michelle Kunimoto

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Add to Calendar 2023-02-27T11:00:00 2023-02-27T12:00:00 Exploring Exoplanet Populations with Kepler, TESS, and Beyond   Abstract: Event Location: HENN 318

February

| Event Location: HENN 318 | Speaker: Dr. Xue-Yang Song

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Quantum electrodynamics in (2+1) D (QED_3) consists of relativistic Dirac fermions strongly interacting with photons. Quantum magnets and electron systems under magnetic fields, meanwhile, represent 2 correlated paradigms in magnetism. We show that from symmetry reasoning, QED_3 emerges as a robust, critical phase both in triangular spin-1/2 magnets (called Dirac spin liquid), and half-filled Chern bands of electrons under periodic magnetic fields.

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Add to Calendar 2023-02-23T11:00:00 2023-02-23T12:00:00 Quantum electrodynamic phases in triangular magnetic systems   Abstract: Quantum electrodynamics in (2+1) D (QED_3) consists of relativistic Dirac fermions strongly interacting with photons. Quantum magnets and electron systems under magnetic fields, meanwhile, represent 2 correlated paradigms in magnetism. We show that from symmetry reasoning, QED_3 emerges as a robust, critical phase both in triangular spin-1/2 magnets (called Dirac spin liquid), and half-filled Chern bands of electrons under periodic magnetic fields. Event Location: HENN 318

February

| Event Location: HENN 201 | Speaker: Dr. Jessie Christiansen (Harvard-Smithsonian Centre for Astrophysics)

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Add to Calendar 2023-02-16T16:00:00 2023-02-16T17:00:00 Towards an Exoplanets Demographics Ladder   Abstract: Event Location: HENN 201

February

| Event Location: HENN 318 | Speaker: Dr. Sam Hadden, Canadian Institute for Theoretical Astrophysics (CITA)

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Is the solar system stable? This question has garnered attention from a litany of famous scientists and mathematicians since Isaac Newton but was only properly resolved a little over a decade ago with the advent of computer hardware and algorithms capable of following the dynamical evolution of the planets for billions of years. We now know that the solar system will most likely remain stable for the remainder of the Sun’s main-sequence lifetime, though there is a ~1% chance that Mercury is destabilized and collides with Venus or the Sun.

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Add to Calendar 2023-02-13T15:00:00 2023-02-13T16:00:00 Causes and Consequences of Chaos in Planetary Systems   Abstract: Is the solar system stable? This question has garnered attention from a litany of famous scientists and mathematicians since Isaac Newton but was only properly resolved a little over a decade ago with the advent of computer hardware and algorithms capable of following the dynamical evolution of the planets for billions of years. We now know that the solar system will most likely remain stable for the remainder of the Sun’s main-sequence lifetime, though there is a ~1% chance that Mercury is destabilized and collides with Venus or the Sun. Event Location: HENN 318

February

| Event Location: Henn 318 | Speaker: Marek Szczepanczyk, Postdoctoral associate, University of Florida (remote)

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TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1l4DQfOrOuK3dQUECHt1DjAeEUpj4ovnF/view?usp=share_link

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Add to Calendar 2023-02-13T11:00:00 2023-02-13T12:00:00 Observational constraints of the core-collapse supernova engine with the gravitational-wave data TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1l4DQfOrOuK3dQUECHt1DjAeEUpj4ovnF/view?usp=share_link Abstract: Event Location: Henn 318

February

| Event Location: HENN 201 | Speaker: Dr. Randall G. Hulet (Rice University)

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We employ quantum simulation of interesting electronic materials using ultracold 6 Li atoms, a composite fermion, as stand-ins for the electrons Quantum simulation of this kind takes advantage of the capability to adhere to a theoretical model, while the tunability of model parameters enables quantitative comparison with theory.

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Add to Calendar 2023-02-09T16:00:00 2023-02-09T17:00:00 Quantum Simulation with Ultra-Cold Atoms: Spin-Charge Separation   Abstract: We employ quantum simulation of interesting electronic materials using ultracold 6 Li atoms, a composite fermion, as stand-ins for the electrons Quantum simulation of this kind takes advantage of the capability to adhere to a theoretical model, while the tunability of model parameters enables quantitative comparison with theory. Event Location: HENN 201

February

| Event Location: AMPL 311 | Speaker: Dmitri Pikulin (Microsoft Station Q)

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I will discuss the theory and data analysis techniques behind the recent study searching for Majorana zero modes. I will describe how the transport techniques can help identify the boundary and bulk signatures of the topological phase. The analytical insight is confirmed by extensive numerical study and data analysis. I will finish with an example of an experimental observation.

 

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Add to Calendar 2023-02-09T10:00:00 2023-02-09T11:00:00 Aspects of Microsoft’s recent topological gap study Abstract: I will discuss the theory and data analysis techniques behind the recent study searching for Majorana zero modes. I will describe how the transport techniques can help identify the boundary and bulk signatures of the topological phase. The analytical insight is confirmed by extensive numerical study and data analysis. I will finish with an example of an experimental observation.   Event Location: AMPL 311

February

| Event Location: HENN 318 | Speaker: Dr. Katarina Chatziioannou (Caltech)

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Detections of neutron stars in binaries through gravitational waves offer a novel way to probe the properties of extremely dense matter. In this talk I will describe the properties of the signals we have observed, what they have already taught us, and what we expect to learn in the future. I will also discuss how information from gravitational waves can be combined and compared against other astrophysical and terrestrial probes of neutron star matter to unveil to the properties of the most dense material objects that we know of.

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Add to Calendar 2023-02-06T15:00:00 2023-02-06T16:00:00 Studying the neutron star equation of state with gravitational waves Abstract: Detections of neutron stars in binaries through gravitational waves offer a novel way to probe the properties of extremely dense matter. In this talk I will describe the properties of the signals we have observed, what they have already taught us, and what we expect to learn in the future. I will also discuss how information from gravitational waves can be combined and compared against other astrophysical and terrestrial probes of neutron star matter to unveil to the properties of the most dense material objects that we know of. Event Location: HENN 318

February

| Event Location: Henn 318 | Speaker: Dr. Beverly Berger, Stanford University LIGO Group (remote)

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TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1PhFE8tQS_fp_SbSI3S0f2Gz8yTwXVsdp/view?usp=share_link

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Add to Calendar 2023-02-06T11:00:00 2023-02-06T12:00:00 Noise Hunting for LIGO TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/1PhFE8tQS_fp_SbSI3S0f2Gz8yTwXVsdp/view?usp=share_link Abstract: Event Location: Henn 318

February

| Event Location: HENN 201 | Speaker: Ludo van Waerbeke (UBC)

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Add to Calendar 2023-02-02T16:00:00 2023-02-02T17:00:00 Why is it so Difficult to Probe the Nature of Dark Matter? Abstract: Event Location: HENN 201

February

| Event Location: BRIM 311 | Speaker: Patrick Ledwith – Harvard University

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Patrick Ledwith – Harvard University

 

Title: Vortexability Chern bands in Twisted and Strained Graphene

 

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Add to Calendar 2023-02-02T10:00:00 2023-02-02T11:00:00 CM Seminar: Patrick Ledwith – Harvard University: Vortexability Chern bands in Twisted and Strained Graphene   Patrick Ledwith – Harvard University   Title: Vortexability Chern bands in Twisted and Strained Graphene   Event Location: BRIM 311

January

| Event Location: HENN 318 | Speaker: Prof. Emily Levesque (University of Washington)

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Add to Calendar 2023-01-30T15:00:00 2023-01-30T16:00:00 Betelgeuse Is Pretty Cool: Cosmic Questions for our Naked-Eye Neighbor   Abstract: Event Location: HENN 318

January

| Event Location: Henn 318 | Speaker: Alan Knee, PhD Candidate, University of British Columbia

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Add to Calendar 2023-01-30T11:00:00 2023-01-30T12:00:00 Follow-up searches for persistent gravitational waves in O3 LIGO data using a hidden Markov model TALK RECORDING AVAILABLE AT: https://drive.google.com/file/d/12vZ2TNlzaWh3DPdC90Q_vty9crJumDQ3/view?usp=share_link Abstract: Event Location: Henn 318

January

| Event Location: Zoom only | Speaker: Dr. Zahra Hazari (Florida International University)

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Add to Calendar 2023-01-26T16:00:00 2023-01-26T17:00:00 STEP UP: Supporting Teachers to Encourage the Pursuit of Undergraduate Physics for Women Abstract: Event Location: Zoom only

January

| Event Location: BRIM 311 | Speaker: Dr. Alannah Hallas

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Dr. Alannah Hallas - UBC

Title: Entropy Engineering and Tunable Magnetic Order in the Spinel High Entropy Oxide

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Add to Calendar 2023-01-26T10:00:00 2023-01-26T11:00:00 CM Seminar: Dr. Alannah Hallas - Entropy engineering and tunable magnetic order in the spinel high entropy oxide Dr. Alannah Hallas - UBC Title: Entropy Engineering and Tunable Magnetic Order in the Spinel High Entropy Oxide Event Location: BRIM 311

January

| Event Location: https://ubc.zoom.us/j/64229865355?pwd=d2RFMlh2eGlUUThOTW8zN0RIMGpFUT09 | Speaker: Rafael Haenel (PhD student)

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When a continuous symmetry is spontaneously broken, collective modes emerge. Usually, their spectrum is dominated by the low-energy physics of massless Goldstone modes. Superconductors, that break U(1) symmetry, are different. Here, the Goldstone boson is gapped out due to the Anderson-Higgs mechanism. The superconducting condensate can therefore host a zoo of massive collective excitations that are stable for lack of a gapless decay channel.

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Add to Calendar 2023-01-25T10:00:00 2023-01-25T12:00:00 Collective Modes of the Superconducting Condensate When a continuous symmetry is spontaneously broken, collective modes emerge. Usually, their spectrum is dominated by the low-energy physics of massless Goldstone modes. Superconductors, that break U(1) symmetry, are different. Here, the Goldstone boson is gapped out due to the Anderson-Higgs mechanism. The superconducting condensate can therefore host a zoo of massive collective excitations that are stable for lack of a gapless decay channel. Event Location: https://ubc.zoom.us/j/64229865355?pwd=d2RFMlh2eGlUUThOTW8zN0RIMGpFUT09

January

| Event Location: HENN 318 | Speaker: Dr. Emanuele Berti (Johns Hopkins University)

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Add to Calendar 2023-01-23T15:00:00 2023-01-23T16:00:00 Next-generation gravitational-wave astronomy: challenges and opportunities   Abstract: Event Location: HENN 318

January

| Event Location: Henn 318 | Speaker: Dr. Tessa Baker, Royal Society University Research Fellow, Proleptic Reader in Cosmology, Queen Mary University of London

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Mervyn Chan (mervync@phas.ubc.ca)

**We welcome everyone to this event, from upper-level undergraduate students, post-docs and faculty to the general public. Come join us!**

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Add to Calendar 2023-01-23T11:00:00 2023-01-23T00:00:00 Beyond standard sirens: Gravitational wave cosmology without electromagnetic counterparts Mervyn Chan (mervync@phas.ubc.ca) **We welcome everyone to this event, from upper-level undergraduate students, post-docs and faculty to the general public. Come join us!** Event Location: Henn 318

January

| Event Location: HENN 201 | Speaker: Dr. Lia Medeiros, Princeton

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Abstract:

New horizon-scale images of the Galactic Center black hole Sagittarius A* (Sgr A*) recently published by the Event Horizon Telescope (EHT) allow for new strong-field tests of the Kerr metric in a previously unexplored regime.  I will discuss the recent EHT observations of Sgr A* with a particular focus on how these new results can be used to test fundamental physics. I will briefly touch upon the earlier M87 results as well.

Bio:

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Add to Calendar 2023-01-19T16:00:00 2023-01-19T17:00:00 Testing Fundamental Physics with the Event Horizon Telescope Abstract: New horizon-scale images of the Galactic Center black hole Sagittarius A* (Sgr A*) recently published by the Event Horizon Telescope (EHT) allow for new strong-field tests of the Kerr metric in a previously unexplored regime.  I will discuss the recent EHT observations of Sgr A* with a particular focus on how these new results can be used to test fundamental physics. I will briefly touch upon the earlier M87 results as well. Bio: Event Location: HENN 201