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Title: Negative absolute conductivity in photoexcited metals

Journal Article · · Physical Review B
ORCiD logo [1];  [2];  [3]
  1. Columbia Univ., New York, NY (United States); Columbia University
  2. Columbia Univ., New York, NY (United States); The Flatiron Inst., New York, NY (United States)
  3. Columbia Univ., New York, NY (United States)

We show that in a model of a metal photoexcited by a transient pump pulse resonant with a phonon mode, the absolute dc conductivity may become negative, depending on the interplay between the electronic structure, the phonon frequency, and the pump intensity. Here, the analysis includes the effects of inelastic scattering and thermal relaxation. Results for the time evolution of the negative conductivity state are presented; the associated nonequilibrium physics may persist for long times after the pulse. Our findings provide a theoretical justification for previously proposed phenomenology and indicate new routes to the generation and exploration of intrinsically nonequilibrium states.

Research Organization:
Columbia Univ., New York, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Grant/Contract Number:
SC0018218
OSTI ID:
1582397
Journal Information:
Physical Review B, Journal Name: Physical Review B Journal Issue: 4 Vol. 101; ISSN 2469-9950; ISSN PRBMDO
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

References (21)

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Radiation-induced magnetoresistance oscillations in a 2D electron gas journal December 2003
Radiation-induced magnetoresistance oscillations in a 2D electron gas journal November 2004
Zero-resistance states induced by electromagnetic-wave excitation in GaAs/AlGaAs heterostructures journal December 2002
Possible light-induced superconductivity in K3C60 at high temperature journal February 2016
Physical Phenomena in Semiconductors with Negative Differential Conductivity journal June 1969
Specific Negative Resistance in Solids journal December 1963
Propagation of space-charge waves in a conductor exhibiting a differential negative resistance journal September 1965
Theory of microwave-induced oscillations in the magnetoconductivity of a two-dimensional electron gas journal March 2005
Nonequilibrium mean-field theory of resistive phase transitions journal July 2018
Voltage-induced metal-insulator transition in a one-dimensional charge density wave journal November 2018
Transient superconductivity without superconductivity journal December 2018
Nonequilibrium Steady State of Photoexcited Correlated Electrons in the Presence of Dissipation journal July 2009
Evidence for a New Dissipationless Effect in 2D Electronic Transport journal January 2003
Dynamical Symmetry Breaking as the Origin of the Zero-dc-Resistance State in an ac-Driven System journal August 2003
Radiation-Induced Magnetoresistance Oscillations in a 2D Electron Gas journal August 2003
Physical phenomena in semiconductors with negative differential conductivity [Физические явления в полупроводниках с отрицательной дифференциальной проводимостью] journal January 1968
Nonequilibrium Steady State of Photoexcited Correlated Electrons in the Presence of Dissipation text January 2009
Nonequilibrium Mean-Field Theory of Resistive Phase Transitions text January 2018
Transient superconductivity without superconductivity text January 2018
Evidence for a New Dissipationless Regime in 2D Electronic Transport text January 2002

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