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Title: Voltage-induced metal-insulator transition in a one-dimensional charge density wave

Abstract

Here, we present a theoretical investigation of the voltage-driven metal insulator transition based on solving coupled Boltzmann and Hartree-Fock equations to determine the insulating gap and the electron distribution in a model system – a one dimensional charge density wave. Electric fields that are parametrically small relative to energy gaps can shift the electron distribution away from the momentum-space region where interband relaxation is efficient, leading to a highly non-equilibrium quasiparticle distribution even in the absence of Zener tunneling. The gap equation is found to have regions of multistability; a non-equilibrium analog of the free energy is constructed and used to determine which phase is preferred.

Authors:
 [1];  [2]
  1. Columbia Univ., New York, NY (United States). Dept. of Physics
  2. Columbia Univ., New York, NY (United States). Dept. of Physics; The Flatiron Inst., New York, NY (United States). Center for Computational Quantum Physics
Publication Date:
Research Org.:
Columbia Univ., New York, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1484000
Alternate Identifier(s):
OSTI ID: 1483922
Grant/Contract Number:  
SC0012375
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review B
Additional Journal Information:
Journal Volume: 98; Journal Issue: 20; Journal ID: ISSN 2469-9950
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats

Chiriacò, Giuliano, and Millis, Andrew J. Voltage-induced metal-insulator transition in a one-dimensional charge density wave. United States: N. p., 2018. Web. doi:10.1103/PhysRevB.98.205152.
Chiriacò, Giuliano, & Millis, Andrew J. Voltage-induced metal-insulator transition in a one-dimensional charge density wave. United States. https://doi.org/10.1103/PhysRevB.98.205152
Chiriacò, Giuliano, and Millis, Andrew J. Thu . "Voltage-induced metal-insulator transition in a one-dimensional charge density wave". United States. https://doi.org/10.1103/PhysRevB.98.205152. https://www.osti.gov/servlets/purl/1484000.
@article{osti_1484000,
title = {Voltage-induced metal-insulator transition in a one-dimensional charge density wave},
author = {Chiriacò, Giuliano and Millis, Andrew J.},
abstractNote = {Here, we present a theoretical investigation of the voltage-driven metal insulator transition based on solving coupled Boltzmann and Hartree-Fock equations to determine the insulating gap and the electron distribution in a model system – a one dimensional charge density wave. Electric fields that are parametrically small relative to energy gaps can shift the electron distribution away from the momentum-space region where interband relaxation is efficient, leading to a highly non-equilibrium quasiparticle distribution even in the absence of Zener tunneling. The gap equation is found to have regions of multistability; a non-equilibrium analog of the free energy is constructed and used to determine which phase is preferred.},
doi = {10.1103/PhysRevB.98.205152},
journal = {Physical Review B},
number = 20,
volume = 98,
place = {United States},
year = {Thu Nov 29 00:00:00 EST 2018},
month = {Thu Nov 29 00:00:00 EST 2018}
}

Journal Article:

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Cited by: 6 works
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Works referencing / citing this record:

Negative absolute conductivity in photoexcited metals
text, January 2019