New CMB results
Richard Bond - University of Toronto , Jon Sievers - McGill University - Department of Physics , Mike Nolta - University of Toronto
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Format results
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Observational Evidence for Massive Gravity
Niayesh Afshordi - University of Waterloo
Topologically Massive AdS Gravity
Steve Carlip - University of California, Davis
Cosmology with 21cm sky
Ue-Li Pen - University of Toronto , Tzu-Ching Chang - National Aeronautics and Space Administration
What will future dark energy experiments tell us?
Andreas Albrecht - University of California, Davis
No-Go Theorems for Self-Correcting Quantum Memory
Barbara Terhal - Delft University of Technology
The Clock Ambiguity and the Emergence of Physical Laws
Andreas Albrecht - University of California, Davis
Gravitational waves from cosmological sources
Xavier Siemens - Oregon State University
PSI 2018/2019 - Explorations in Cosmology - Lecture 1
Kendrick Smith - Perimeter Institute for Theoretical Physics
FRW universe
Higher-Order Relative Entropy and Subregion Complexity in the AdS Black Hole Background
Kevin Grosvenor - University of Würzburg
I will discuss the computation of second-order terms in the entanglement entropy and subregion complexity for a spherical entangling region in the AdS black hole background relative to pure AdS. I will suggest an extension of the conjectured relationship between subregion complexity and Fisher…
Mathematical hints of 3-d mirror symmetry
Ben Webster - University of Waterloo
This is practice for a talk at Berkeley, so it will involve explaining stuff many people here probably already know. I'll try to summarize what I've learned about 3 dimensional N=4 supersymmetric quantum field theories, their twists and how these manifest in terms of interesting objects in…
PSI 2018/2019 - Explorations in Quantum Information - Lecture 1
Eduardo Martin-Martinez - University of Waterloo
What is RQI? Research topics in RQI, Introduction to measuring quantum fields
Topological Holography Course - Lecture 9
Kevin Costello - Perimeter Institute for Theoretical Physics
PSI 2018/2019 - Beyond Standard Model - Lecture 14
Latham Boyle - University of Edinburgh
Peon Models and Non-commutative/non-associative geometry
PSI 2018/2019 - String Theory Review - Lecture 15
Davide Gaiotto - Perimeter Institute for Theoretical Physics
Q&A; D-branes in superstrings.
PSI 2018/2019 - Machine Learning - Lecture 15
Michael Albergo - New York University (NYU)
Generative modelling: explicit and approximate likelihood models; implicit likelihood models
Circuit Hamiltonians, Hamiltonian complexity, and approximate error correction.
Henry Yuen - University of Toronto
In this talk, I will discuss some interesting connections between Hamiltonian complexity, error correction, and quantum circuits. First, motivated by the Quantum PCP Conjecture, I will describe a construction of a family of local Hamiltonians where the complexity of ground states — even when subject…
Soft Heisenberg hair
Daniel Grumiller - Technische Universität Wien
Gravity theories naturally allow for edge states generated by non-trivial boundary-condition preserving diffeomorphisms. I present a specific set of boundary conditions inspired by near horizon physics, show that it leads to soft hair excitations of black hole solutions and discuss implications for…
PSI 2018/2019 - Beyond Standard Model - Lecture 13
Latham Boyle - University of Edinburgh
Parity solution of strong CP problem
Can we trust phase diagrams produced by artificial neural networks?
Sebastian Wetzel - Mitacs
So far artificial neural networks have been applied to discover phase diagrams in many different physical models. However, none of these studies have revealed any fundamentally new physics. A major problem is that these neural networks are mainly considered as black box algorithms. On the journey to…