A Perturbative Window into Asymptotic Safety
Yannick Kluth - University of Toronto
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Lecture - Quantum Theory (Core), PHYS 605
Dan Wohns - Perimeter Institute for Theoretical Physics
Black Hole Sensitivities in Lorentz-Violating Gravity
Andrew Kovachik - McMaster Univresity
Lecture - Lean-verified Quantum Information Theory, QIC 891
Rodolfo Reis Soldati - Institute for Quantum Computing (IQC)
Reshaping Metrology with Quantum Information Processing
Sisi Zhou - Perimeter Institute for Theoretical Physics
Localizing the M-theory Path integral
Jerome Gauntlett - Imperial College London
Lecture - Classical Physics, PHYS 612
Aldo Riello - Perimeter Institute for Theoretical Physics
Instructor Discussion - Beautiful Papers
Pedro Vieira - Perimeter Institute for Theoretical Physics
How dark matter halos get their cusps
Uddipan Banik - Princeton University
Lecture - Lean-verified Quantum Information Theory, QIC 891
Rodolfo Reis Soldati - Institute for Quantum Computing (IQC)
Student Discussion - Beautiful Papers
Pedro Vieira - Perimeter Institute for Theoretical Physics
Lecture - Classical Physics, PHYS 612
Aldo Riello - Perimeter Institute for Theoretical Physics
Analog Duality
I will discuss a new duality between strongly coupled and weakly coupled condensed matter systems. It can be obtained by combining the gauge-gravity duality with analog gravity. In my talk I will explain how one arrives at the new duality, what it can be good for, and what questions this finding…
Recent chemical and structural studies of geometrically frustrated magnets, Dirac Semimetals, and topological insulators.
Bob Cava - Princeton University
Our search for new materials of (hopeful) relevance to materials physics is wide ranging. One of our primary interests is in finding new geometrically frustrated magnets and working on their structure-property relations. In this context in recent years we have found and grown crystals of a new class…
Double perovskite materials: From Chern bands to unusual Mott insulators
Arun Paramekanti - University of Toronto
Double perovskites, a class of oxide materials with 3d and 5d transition metal ions, can realize a wide variety of interesting phases. Here we focus on our recent theoretical work suggesting the appearance of Chern insulators, and possible emergent nematic phases at Chern transitions in such systems…
Muon Spin Rotation/Relaxation Studies of Unconventional Superconductivity
Graeme Luke - McMaster University
Muon spin rotation/relaxation is a powerful technique for studying unconventional superconductors, whose order parameter doesn't have the same symmetry as its host material's crystal structure. I will describe our work on Sr2RuO4, UPt3, CuxBi2Se3 and other topical systems, some of which exhibit…
The Quantum Hall Effect and Spintronics
Allan MacDonald - The University of Texas at Austin
A series of fundamental discoveries over the past thirty years has dramatically improved our ability to read, write, and process magnetically stored information. I will briefly review some of these advances before focusing on the recently discovered and particularly promising spin-orbit torques…
Exciton Condensates are Super!
Allan MacDonald - The University of Texas at Austin
The spatially-indirect exciton condensates (SIXC) is an interesting ordered electronic state in which coherence is spontaneously established between particles localized in separate two-dimensional layers. I will discuss some of the properties SIXCs, commenting on their counterflow superfluidity…
Signals, Noise and Decoherence
Steve Weinstein - University of Waterloo
It is well known - to those who know it - that noise and randomness can enhance signal resolution. I'll present an easy-to-follow example from digital audio that illustrates the way in which adding noise ("dither") prior to measurement enhances the accuracy with which we are able to distinguish the…
Interacting surface states of topological insulators and superfluids
The standard theory of topological insulators and superfluids (or superconductors) assumes that the fermionic elementary excitations in these systems – electrons in the insulator and Bogoliubov quasiparticles in the superfluid – do not interact with one another. In this talk I will discuss…
Expansion of Lie algebras and accidental symmetries in Lovelock theories
Nelson Merino - Pontificia Universidad Católica de Chile
Main properties of generalized contraction methods of Lie algebras, known also as expansion methods, are briefly introduced. Between some of their physical applications, one might study the nature of solutions in theories constructed with those expanded algebras. In particular, as we are interested…
Dark matter halos as particle colliders
Sean Tulin - York University
Astrophysical observations of the structure of galaxies and clusters are no longer simply proving the existence of DM, but have sharpened into a discovery tool probing the particle physics of dark matter. I discuss small scale structure anomalies for cold dark matter and their possible implications…
Cross correlations with CMB secondaries: constraining cosmological parameters and cluster astrophysics.
Nick Battaglia - Princeton University
High resolution CMB experiments, such as ACT, SPT, and the Planck satellite are making precision measurements of the secondary anisotropies caused by the thermal Sunyaev Zel'dovich (tSZ) effect from galaxy clusters. However, our ability to obtain cosmological information from this tSZ signal is…
Metal-Insulator Transitions by Holography
Yi Ling - Chinese Academy of Sciences
Recent progress on the construction of holographic lattices and its applications to AdS/CMT correspondence will be briefly reviewed. Our special interests will focus on the building of bulk geometry of gravity whose holographic duals exhibit metal-insulator transitions (MIT). In particular, the…