Filters
5915 results
Emergent classicality for large channels and states
In a quantum measurement process, classical information about the measured system spreads through the environment. In contrast, quantum information about the system becomes inaccessible to local observers. In this talk...
Nov 18, 2020
Effective Fly-Bys: Gravitational Waves from Dynamical Capture Binaries
Compact binaries may be formed dynamically in globular clusters, with large (close to unity) orbital eccentricity and emitting gravitational waves within the detection band of ground based detectors. The gravitational...
Nov 19, 2020
Equivariant Elliptic Cohomology
The subject of equivariant elliptic cohomology finds itself at the interface of topology, string theory, affine representation theory, singularity theory and integrable systems. These connections were already known to the...
Nov 19, 2020
The dynamics of difference
A proposal is made for a fundamental theory, in which the history of the universe is constituted of views of itself. Views are attributes of events, and the theory's only...
Nov 20, 2020
Introduction to Perimeter's HPC system
This is a hands-on introduction to Perimeter's HPC system "Symmetry". We will give a 30-minute overview, and will then be available for questions. What is this anyway How can this...
Nov 23, 2020
Symmetry and information flow in quantum circuits with measurements
Quantum circuits, relevant for quantum computing applications, present a new kind of many-body problem. Recently it was discovered that the quantum state evolved by random unitary gates, interrupted by occasional...
Nov 23, 2020
Astrophysical probes of axion-like particles
Axion-like particles (ALPs) are one of the most attractive solutions to the dark matter issue. In this talk, I will discuss new ideas in the search for ALPs in astrophysical...
Nov 24, 2020
Challenges for large-scale structure theory and data analysis
In the first part of the talk I will review some recent progress in large-scale structure theory and show how it can be used to measure cosmological parameters from current...
Nov 24, 2020
The holographic map as a conditional expectation
I will study quantum error correcting codes that model aspects of the AdS/CFT correspondence. In an algebraic approach I will demonstrate the existence of a consistent assignment, to each boundary...
Nov 24, 2020
Quantum codes, lattices, and CFTs
There is a deep relation between classical error-correcting codes, Euclidean lattices, and chiral 2d CFTs. We show this relation extends to include quantum codes, Lorentzian lattices, and non-chiral CFTs. The...
Nov 25, 2020