High Energy Theory Informal Meeting 2024-2025

All talks at 11:00am Pacific time in 469 Lauritsen or on Zoom (unless indicated*).

Must have valid Caltech ID to attend meeting in 469.

Zoom link, inquire for password.

The organizers of this seminar are Jacob McNamara and Temple He.

2024-2025

Date	Speaker	Affiliation	Title
Sept 25	Alessio Miscioscia	DESY	Exploring thermal CFTs from a bootstrap perspective
Oct 2	Richard Myers	UCLA	Carrollian Partition Functions and the Flat Limit of AdS
Oct 9	Vit Sriprachyakul	ETH Zurich	Strings near the conformal boundary of AdS3
Oct 16	Wei Bu	Northeastern University	2d theory for asymptotic dynamics of 4d (self-dual) Einstein gravity
Oct 23* (11 am)	Liza Rozenberg	Harvard University	3d gravity as a random ensemble
Oct 23* (12:30 pm)	Yiwen Huang	UCSD	Operator Origin of Anomalous dimensions in de Sitter Space
Oct 30	Chintan Patel	TIFR Mumbai/KITP	Charged Superradiance in AdS5 x S5 black holes
Nov 6	Anna Biggs	Princeton University	Quantum gravity corrections to absorption and emission of 4d near-extremal black holes in supergravity and Einstein gravity
Nov 7* (1 pm)	Brandon Rayhaun	Stony Brook University	On Symmetries, Boundaries, and Entanglement Entropy
Nov 13	Guanda Lin	UC Berkeley	How the Hilbert space of two-sided black holes factorises
Nov 15* (1 pm)	Allic Sivaramakrishnan	Caltech	Proper Time Correlators in Field Theory and Gravity
Nov 20* (Joint HEP seminar)	Hengameh Bagherian	Harvard University	Interacting Dark Radiation and Cosmological Tensions
Nov 27	no talk		day before Thanksgiving
Dec 4	Zihan Zhou	Princeton University	Tidal Effects of Compact Objects From Theory to Observations
WINTER BREAK
Jan 8 - POSTPONED Stay tuned for new date.	Xiaoyi Liu	UCSB	Well-Posed Boundary Conditions for Semi-Classical Euclidean Gravity
Jan 15	Adel Rahman	Stanford University	New Modes for Vector Bosons in the Static Patch
Jan 22	Jesse Held	UCSB	The Hilbert space of de Sitter JT gravity
Jan 29	Nicolas Cresto	Perimeter Institute	Asymptotic Higher Spin Symmetries in Yang-Mills Theory
Feb 5	Elba Alonso-Monsalve	MIT	Phase space of JT gravity with positive cosmological constant
Feb 5* (1 pm)	Albert Schwarz	UC Davis & Caltech	Geometric Approach to Quantum Theory
Feb 12	Justin Berman	University of Michigan	Characterizing the Space of UV-Complete Amplitudes
Feb 19	Gordon Rogelberg	Yale University	Moments and saddles of heavy CFT correlators
Feb 19* (1 pm)	Albert Schwarz	UC Davis & Caltech	Inclusive Scattering Matrix
Feb 26	Adam Tropper	Harvard University	Supersymmetric Soft Theorems
Feb 26* (1 pm)	Albert Schwarz	UC Davis & Caltech	L-Functionals and Infrared Problem in Quantum Electrodynamics
March 5	Joydeep Naskar	Northeastern University	Towards a complete classification of holographic entropy inequalities, and beyond...
March 5* (1 pm)	Ayngaran Thavanesan	University of Cambridge	The Cosmological CPT Theorem
March 12	Carolina Figueiredo	Princeton University	A geometric formulation of the cosmological wavefunction
March 13* (1pm)	Goncalo Regado	OIST	The relationship between soft and edge modes
SPRING BREAK
April 2	Xiaoyi Liu	UCSB	Existence and Stability of Euclidean Wormholes with $S^1\times S^2$ Boundaries
April 9	Marc Klinger	UIUC	Quantizing the Area: Geometry from Conditional Probability
April 16	Alison Warman	University of Oxford	Phases with Generalized Symmetries
April 23	Hare Krishna	UT Austin	A stress tensor for asymptotically flat spacetime
April 30	Gregory Kaplanek	Syracuse University	Feynman-Vernon goes cosmic: path integrals for cosmological open systems
May 7	Misha Usatyuk	KITP, UC Santa Barbara	Quantum mechanics and observers for gravity in a closed universe
May 14	Yongzhong Qian	University of Minnesota	Signatures of high-energy neutrinos from sources for r-process nuclei
May 21	Temple He	Caltech	Quantum Area Fluctuations from Gravitational Phase Space
May 28	Victor Ivo	Princeton University	Physical Instabilities and the phase of the Euclidean Path integral
May 28* (1 pm)	Murat Kologlu	Yale University	Detector operators in quantum gravity