Dense ChernSimons matter with fermions at large N
Abstract
In this paper we investigate properties of ChernSimons theory coupled to massive fermions in the large N limit. We demonstrate that at low temperatures the system is in a Fermi liquid state whose features can be systematically compared to the standard phenomenological theory of Landau Fermi liquids. This includes matching microscopically derived Landau parameters with thermodynamic predictions of Landau Fermi liquid theory. We also calculate the exact conductivity and viscosity tensors at zero temperature and finite chemical potential. In particular we point out that the Hall conductivity of an interacting system is not entirely accounted for by the Berry flux through the Fermi sphere. Furthermore, investigation of the thermodynamics in the nonrelativistic limit reveals novel phenomena at strong coupling. Furthermore, as the ’t Hooft coupling λ approaches 1, the system exhibits an extended intermediate temperature regime in which the thermodynamics is described by neither the quantum Fermi liquid theory nor the classical ideal gas law. Instead, it can be interpreted as a weakly coupled quantum Bose gas.
 Authors:

 The Univ. of Chicago, Chicago, IL (United States)
 Publication Date:
 Research Org.:
 Univ. of Chicago, IL (United States)
 Sponsoring Org.:
 USDOE
 OSTI Identifier:
 1395562
 Grant/Contract Number:
 FG0213ER41958; SC0009924
 Resource Type:
 Accepted Manuscript
 Journal Name:
 Journal of High Energy Physics (Online)
 Additional Journal Information:
 Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2016; Journal Issue: 4; Journal ID: ISSN 10298479
 Publisher:
 Springer Berlin
 Country of Publication:
 United States
 Language:
 English
 Subject:
 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 1/N Expansion; ChernSimons Theories; Duality in Gauge Field Theories
Citation Formats
Geracie, Michael, Goykhman, Mikhail, and Son, Dam T. Dense ChernSimons matter with fermions at large N. United States: N. p., 2016.
Web. doi:10.1007/JHEP04(2016)103.
Geracie, Michael, Goykhman, Mikhail, & Son, Dam T. Dense ChernSimons matter with fermions at large N. United States. doi:10.1007/JHEP04(2016)103.
Geracie, Michael, Goykhman, Mikhail, and Son, Dam T. Mon .
"Dense ChernSimons matter with fermions at large N". United States. doi:10.1007/JHEP04(2016)103. https://www.osti.gov/servlets/purl/1395562.
@article{osti_1395562,
title = {Dense ChernSimons matter with fermions at large N},
author = {Geracie, Michael and Goykhman, Mikhail and Son, Dam T.},
abstractNote = {In this paper we investigate properties of ChernSimons theory coupled to massive fermions in the large N limit. We demonstrate that at low temperatures the system is in a Fermi liquid state whose features can be systematically compared to the standard phenomenological theory of Landau Fermi liquids. This includes matching microscopically derived Landau parameters with thermodynamic predictions of Landau Fermi liquid theory. We also calculate the exact conductivity and viscosity tensors at zero temperature and finite chemical potential. In particular we point out that the Hall conductivity of an interacting system is not entirely accounted for by the Berry flux through the Fermi sphere. Furthermore, investigation of the thermodynamics in the nonrelativistic limit reveals novel phenomena at strong coupling. Furthermore, as the ’t Hooft coupling λ approaches 1, the system exhibits an extended intermediate temperature regime in which the thermodynamics is described by neither the quantum Fermi liquid theory nor the classical ideal gas law. Instead, it can be interpreted as a weakly coupled quantum Bose gas.},
doi = {10.1007/JHEP04(2016)103},
journal = {Journal of High Energy Physics (Online)},
number = 4,
volume = 2016,
place = {United States},
year = {2016},
month = {4}
}
Web of Science
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