Lecture - Non-local quantum computation mini-course
Alex May - Perimeter Institute for Theoretical Physics
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Lecture - Time, Causality, and the Structure of Quantum Theory
Lucien Hardy - Perimeter Institute for Theoretical Physics
TBA - Quantum Information Seminar
Alex May - Perimeter Institute for Theoretical Physics
Lecture - Non-local quantum computation mini-course
Alex May - Perimeter Institute for Theoretical Physics
Analytic Functionals for Higher-Dimensional Conformal Bootstrap
Kausik Ghosh - King's College London
Kinetic Isocurvature Perturbations
Dhong Yeon Cheong - University of Chicago
Towards a Science of AI: Scaling laws and synthetic data
Maissam Barkeshli - University of California, Santa Barbara
Lecture - Time, Causality, and the Structure of Quantum Theory
Lucien Hardy - Perimeter Institute for Theoretical Physics
Probing Axion Clouds with EHT Data Using Closure Trace Analyses
Zhiren Wang - Perimeter Institute for Theoretical Physics
Entanglement Entropy in Spacetime and a Possible Signature of Discreteness
Joshua Jones - Dublin Institute For Advanced Studies
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Lecture - Non-local quantum computation mini-course
Alex May - Perimeter Institute for Theoretical Physics
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Lecture - Time, Causality, and the Structure of Quantum Theory
Lucien Hardy - Perimeter Institute for Theoretical Physics
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Lecture - Non-local quantum computation mini-course
Alex May - Perimeter Institute for Theoretical Physics
-
Analytic Functionals for Higher-Dimensional Conformal Bootstrap
Kausik Ghosh - King's College London
The conformal bootstrap has been extremely successful for simple critical systems such as the 3D Ising model and vector models, where it has led to very precise determinations of critical exponents. However, obtaining similarly reliable nonperturbative data for more complicated theories, especially… -
Kinetic Isocurvature Perturbations
Dhong Yeon Cheong - University of Chicago
In this talk, I will formulate a new class of primordial perturbations called kinetic isocurvature perturbations, where the mass density of dark matter is constant relative to the photon number density while the kinetic energy of dark matter fluctuates in space. Such perturbations naturally arise in… -
Towards a Science of AI: Scaling laws and synthetic data
Maissam Barkeshli - University of California, Santa Barbara
The stunning capabilities of modern AI systems give rise to many questions regarding how they work and how much more capable they can possibly get. One way to gain additional insight is via synthetic models of data with tunable complexity, which can capture the basic relevant structures of real data… -
Lecture - Time, Causality, and the Structure of Quantum Theory
Lucien Hardy - Perimeter Institute for Theoretical Physics
The gravitational S-matrix from the path integral: asymptotic symmetries and soft theorems
The classical action, or more generally the path integral, is a convenient framework for extracting the physical consequences of symmetries. In recent years, new symmetries of gravity in asymptotically flat spacetime have been uncovered based on relations to soft theorems governing the S-matrix. I…-
Probing Axion Clouds with EHT Data Using Closure Trace Analyses
Zhiren Wang - Perimeter Institute for Theoretical Physics
Axion-like particles can form clouds around rotating supermassive black holes through superradiant instability. Via axion-photon coupling, these clouds can imprint time-dependent oscillations on the observed electric vector position angle. I will present constraints on such clouds around M87* and… -
Entanglement Entropy in Spacetime and a Possible Signature of Discreteness
Joshua Jones - Dublin Institute For Advanced Studies
The regularisation of entanglement entropy is integral to the possibility of it sourcing the Bekenstein-Hawking entropy. This regularisation ought to come from quantum gravity, which if covariant, can induce a regularisation scheme inapplicable directly on hypersurfaces, but instead suited to…