Nonequilibrium Dynamical Mean-Field Theory for the Charge-Density-Wave Phase of the Falicov-Kimball Model

Matveev, O. P.; Shvaika, A. M.; Devereaux, T. P.; Freericks, J. K.

doi:10.1007/s10948-015-3304-2

Title: Nonequilibrium Dynamical Mean-Field Theory for the Charge-Density-Wave Phase of the Falicov-Kimball Model

Journal Article · Tue Dec 08 00:00:00 EST 2015 · Journal of Superconductivity and Novel Magnetism

DOI:https://doi.org/10.1007/s10948-015-3304-2· OSTI ID:1257730

Matveev, O. P. ^[1]; Shvaika, A. M. ^[2]; Devereaux, T. P. ^[3]; Freericks, J. K. ^[4]

Georgetown Univ., Washington, DC (United States); Inst. for Condensed Matter Physics of NAS of Ukraine, Lviv (Ukraine)
Inst. for Condensed Matter Physics of NAS of Ukraine, Lviv (Ukraine)
Stanford Univ., CA (United States). Geballe Lab. for Advanced Materials; SLAC National Accelerator Lab., Menlo Park, CA (United States)
Georgetown Univ., Washington, DC (United States)

Nonequilibrium dynamical mean-field theory (DMFT) is developed for the case of the charge-density-wave ordered phase. We consider the spinless Falicov-Kimball model which can be solved exactly. This strongly correlated system is then placed in an uniform external dc electric field. We present a complete derivation for nonequilibrium dynamical mean-field theory Green’s functions defined on the Keldysh-Schwinger time contour. We also discuss numerical issues involved in solving the coupled equations.

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Research Organization:: SLAC National Accelerator Lab., Menlo Park, CA (United States)

Sponsoring Organization:: USDOE Office of Science (SC)

DOE Contract Number:: AC02-76SF00515

OSTI ID:: 1257730

Report Number(s):: SLAC-PUB-16568; arXiv:1507.08725

Journal Information:: Journal of Superconductivity and Novel Magnetism, Vol. 29, Issue 3; ISSN 1557-1939

Publisher:: Springer

Country of Publication:: United States

Language:: English

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Time-domain pumping a quantum-critical charge density wave ordered material Matveev, O. P.; Shvaika, A. M.; Devereaux, T. P. Physical Review B, Vol. 94, Issue 11 https://doi.org/10.1103/physrevb.94.115167	journal	September 2016
Theoretical description of pump/probe experiments in electron-mediated charge-density-wave insulators Freericks, J. K.; Matveev, O. P.; Shen, Wen Physica Scripta, Vol. 92, Issue 3 https://doi.org/10.1088/1402-4896/aa5b6c	journal	February 2017

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