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PIRSA:21120031

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https://pirsa.org/21120031

Exotic compressible quantum liquids and fractons in coupled wire models

Sullivan, J. (2021). Exotic compressible quantum liquids and fractons in coupled wire models. Perimeter Institute for Theoretical Physics. https://pirsa.org/21120031

Joseph Sullivan Yale University

Talk numberPIRSA:21120031
DOI10.48660/21120031
Source RepositoryPIRSA
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Talk Type Scientific Series
Subject

Abstract

The coupled wire construction is a powerful method for studying exotic quantum phases of matter. In this talk I will discuss some recent work in which this technique was used to realize new types of 3D compressible quantum phases. These phases possess a U(1) charge conservation symmetry that is weakly broken by rigid string or membrane-like order parameters. No local order parameter is present and the emergent quasiparticles have restricted mobility. I will discuss the unusual symmetry breaking mechanism and its connection to the compressibility. For a particular class of models I will also describe an effective low energy theory given by coupled layers Maxwell-Chern-Simons theories.

Zoom Link: https://pitp.zoom.us/j/95372524441?pwd=UTlVTTZlSmFRK0FmVE5pTHhDRThwdz09