Seminar Calendar
April 2025
Wednesday, April 2nd, 2025
11:00am
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12:00pm
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11:00am
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12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Existence and Stability of Euclidean Wormholes with $S^1\times S^2$ Boundaries
Xiaoyi Liu,
UC Santa Barbara,
12:15pm
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1:00pm
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4:00pm
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5:00pm
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ASTRONOMY COLLOQUIUM
AGN Variability: A Cornucopia or a Phantasmagoria?
Matthew Graham,
Research Professor of Astronomy,
California Institute of Technology,
4:00pm
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5:00pm
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Friday, April 4th, 2025
11:00am
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12:00pm
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High Energy Theory Seminar
Online and In-Person Event
An L-function Approach to 2D CFT
Eric Perlmutter,
IPhT-Saclay, Paris,
2:00pm
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3:00pm
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TAPIR Seminar
Online and In-Person Event
Connecting Compact Object Dynamics with Multi-Messenger Observations in Dense Star Clusters
8:00pm
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10:00pm
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Monday, April 7th, 2025
3:00pm
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4:00pm
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LIGO Seminar
Deep source, noise, and glitch separation for the LISA global fit, with applications to LIGO
4:00pm
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5:00pm
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Astronomy Tea Talk
"MOMOS: A Superconducting MKID High Resolution Multi-Object Spectrograph Testbed for the Detection and Characterization of Exoplanets" and "Learning to Read and Write in Physics and Astronomy"
4:00pm
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5:00pm
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High Energy Physics Seminar
Online and In-Person Event
Higher Order Flavor Sum Rules
Margarita Gavrilova,
Cornell University,
Wednesday, April 9th, 2025
11:00am
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12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Quantizing the Area: Geometry from Conditional Probability
Marc Klinger,
University of Illinois, Urbana-Champaign,
11:30am
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1:00pm
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12:15pm
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1:00pm
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Caltech/IPAC Lunch Seminar
Online Event
Imaging Young Jupiters with GPI 2.0
Saavidra Perera,
UC Santa Cruz,
4:00pm
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5:00pm
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ASTRONOMY COLLOQUIUM
SPHEREx First Light
Jamie Bock,
Marvin L. Goldberger Professor of Physics, Caltech; Senior Research Scientist, JPL,
California Institute of Technology; Jet Propulsion Laboratory,
Thursday, April 10th, 2025
4:00pm
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5:00pm
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Physics Colloquium
Online and In-Person Event
Probing Photonic Quantum Matter with Cats
Jonathan Simon,
Stanford University,
Friday, April 11th, 2025
11:00am
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12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Decoherence near Black Holes: Causality, Fluctuation and Dissipation
Sam Gralla,
University of Arizona,
2:00pm
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3:00pm
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Special Quantum Matter Seminar
Quantum circuit and novel quantum state preparation from spacetime duality
2:00pm
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3:00pm
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TAPIR Seminar
Online and In-Person Event
Three-Dimensional Long-Term CCSN Simulations: New Insights and Challenges
Monday, April 14th, 2025
4:00pm
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5:00pm
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High Energy Physics Seminar
Online and In-Person Event
Gravothermal Collapse of Dark Matter Halos: Observational Insights
Haibo Yu,
UC Riverside,
Wednesday, April 16th, 2025
11:00am
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12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Phases with Generalized Symmetries
Alison Warman,
University of Oxford,
12:00pm
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1:00pm
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12:15pm
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1:00pm
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Caltech/IPAC Lunch Seminar
ALMA+JWST Discovers Companions at < 18 kpc Around z~3.5 Radio AGN
Wuji Wang,
Caltech/IPAC,
4:00pm
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5:00pm
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ASTRONOMY COLLOQUIUM
Fast Radio Bursts
Vikram Ravi,
Assistant Professor of Astronomy,
California Institute of Technology,
,
4:00pm
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5:00pm
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Materials Science Research Lecture
Stabilizing a complex but promising dual phase cathode material: making lithium-rich, manganese-rich cathode materials useful
Jay Whitacre,
Professor,
Engineering and Public Policy, Materials Science and Engineering,
Carnegie Mellon Universiry,
Thursday, April 17th, 2025
4:00pm
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5:00pm
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Physics Colloquium
Online and In-Person Event
Feedback control of open quantum systems: Looking back, looking forward
Hideo Mabuchi,
Stanford University,
Friday, April 18th, 2025
11:00am
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12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Exploring CFT Moments
David Poland,
Yale University,
12:00pm
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1:00pm
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IQIM Postdoctoral and Graduate Student Seminar
Jordan-Wigner transformations on the torus
Frank Verstraete,
University of Ghent, University of Cambridge,
2:15pm
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3:15pm
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TAPIR Seminar
Online and In-Person Event
Performance-Portable Numerical Relativity with AthenaK and Applications
Monday, April 21st, 2025
6:00pm
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8:00pm
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Tuesday, April 22nd, 2025
5:30pm
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7:00pm
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Wednesday, April 23rd, 2025
11:00am
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12:00pm
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High Energy Theory Seminar
Online and In-Person Event
A stress tensor for asymptotically flat spacetime
Hare Krishna,
University of Texas, Austin,
12:15pm
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1:00pm
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Caltech/IPAC Lunch Seminar
The Faint and the Furious: What are the Lowest Mass Stars that Explode as Core-Collapse Supernovae?
Kaustav Das,
Caltech,
4:00pm
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5:00pm
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ASTRONOMY COLLOQUIUM (Neugebauer Lecture)
GXN's Impact on JXZ
Jonas Zmuidzinas,
Merle Kingsley Professor of Physics,
California Institute of Technology,
4:00pm
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5:00pm
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Information, Geometry, and Physics Seminar
An "efficient" classical algorithm for some 3-manifold TQFT invariants
Colleen Delaney,
Department of Physics & Astronomy,
Purdue University,
4:00pm
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5:00pm
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Thursday, April 24th, 2025
11:00am
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1:00pm
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4:00pm
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5:00pm
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Physics Colloquium - Christy Lecture
Online and In-Person Event
The Growing Danger of Nuclear Weapons: What You Can Do
Fred Lamb,
UIUC,
Friday, April 25th, 2025
11:00am
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12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Conformal Manifolds from Topological Gauging and Continuous SymTFTs
Ho Tat Lam,
Massachusetts Institute of Technology,
12:00pm
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1:00pm
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IQIM Postdoctoral and Graduate Student Seminar
Control, Readout, and Entanglement of Molecular Qubits
Lewis Picard,
David and Ellen Lee Postdoctoral Scholar,
Endres Group,
Monday, April 28th, 2025
11:00am
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12:00pm
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4:00pm
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5:00pm
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4:00pm
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5:00pm
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High Energy Physics Seminar
Online and In-Person Event
Predicting the dark matter - baryon abundance ratio
Anson Hook,
University of Maryland,
4:00pm
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5:00pm
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Quantum Matter Seminar
Nonlinear Magneto-Optics of van der Waals magnet CrSBr
Liuyan Zhao,
Associate Professor of Physics,
Experimental Condensed Matter Physics,
University of Michigan, Ann Arbor,
Tuesday, April 29th, 2025
12:00pm
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1:00pm
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Wednesday, April 30th, 2025
11:00am
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12:00pm
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High Energy Theory Seminar
Online and In-Person Event
Feynman-Vernon goes cosmic: path integrals for cosmological open systems
Gregory Kaplanek,
Syracuse University,
12:00pm
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1:00pm
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IQIM Postdoctoral and Graduate Student Seminar
Topological Criticality and Anyon Superconductivity: Two Routes to Beyond BCS Superconductors
Ashvin Vishwanath,
Harvard,
12:15pm
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1:27pm
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Caltech/IPAC Lunch Seminar
TESS-Gaia Light Curve and the Radius Bias of TESS Exoplanets
Te Han,
UC Irvine,
3:00pm
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4:00pm
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Information, Geometry, and Physics Seminar
Kinematic varieties for massless particles
Svala Sverrisdóttir,
Department of Mathematics,
UC Berkeley,