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Title: Characterizing the Non-equilibrium Dynamics of Field-Driven Correlated Quantum Systems

Journal Article · · Frontiers in Physics
 [1];  [2]
  1. Univ. of Albany (SUNY), NY (United States)
  2. Georgetown Univ., Washington, DC (United States)

Recent experimental advances in ultrafast phenomena have triggered renewed interest in the dynamics of correlated quantum systems away from equilibrium. We review non-equilibrium dynamical mean-field theory studies of both the transient and the steady states of a DC field-driven correlated quantum system. In particular, we focus on the non-equilibrium behavior and how it relates to the fluctuation-dissipation theorem. The fluctuation-dissipation theorem emerges as an indicator for how the system thermalizes and for how it reaches a steady state. When the system thermalizes in an infinite temperature steady state it can pass through a succession of quasi-thermal states that approximately obey the fluctuation-dissipation theorem. We also discuss the Wigner distribution and what its evolution tells us about the non-equilibrium many-body problem.

Research Organization:
Georgetown Univ., Washington, DC (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
Grant/Contract Number:
FG02-08ER46542
OSTI ID:
1783725
Journal Information:
Frontiers in Physics, Vol. 8; ISSN 2296-424X
Publisher:
Frontiers Research FoundationCopyright Statement
Country of Publication:
United States
Language:
English

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