Evolution of the spectrum of the Hubbard model with filling

Nonequilibrium properties of an inhomogeneous electron gas are studied using the method of the nonequilibrium statistical operator by D.N. Zubarev. Generalized transport equations for the mean values of inhomogeneous operators of the electron number density, momentum density, and total energy densit...

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Main Author:	A.Sherman
Format:	Article
Language:	English
Published:	Institute for Condensed Matter Physics 2006-01-01
Series:	Condensed Matter Physics
Subjects:	Hubbard model diagram technique energy spectrum
Online Access:	http://dx.doi.org/10.5488/CMP.9.3.535

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spelling	doaj-4e2c8c0e93ce4aa986c183df830b00872020-11-24T22:19:23ZengInstitute for Condensed Matter PhysicsCondensed Matter Physics1607-324X2006-01-019353554410.5488/CMP.9.3.535Evolution of the spectrum of the Hubbard model with fillingA.ShermanNonequilibrium properties of an inhomogeneous electron gas are studied using the method of the nonequilibrium statistical operator by D.N. Zubarev. Generalized transport equations for the mean values of inhomogeneous operators of the electron number density, momentum density, and total energy density for weakly and strongly nonequilibrium states are obtained. We derive a chain of equations for the Green's functions, which connects commutative time-dependent Green's functions "density-density", "momentum-momentum", "enthalpy-enthalpy" with reduced Green's functions of the generalized transport coefficients and with Green's functions for higher order memory kernels in the case of a weakly nonequilibrium spatially inhomogeneous electron gas.http://dx.doi.org/10.5488/CMP.9.3.535Hubbard modeldiagram techniqueenergy spectrum
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	A.Sherman
spellingShingle	A.Sherman Evolution of the spectrum of the Hubbard model with filling Condensed Matter Physics Hubbard model diagram technique energy spectrum
author_facet	A.Sherman
author_sort	A.Sherman
title	Evolution of the spectrum of the Hubbard model with filling
title_short	Evolution of the spectrum of the Hubbard model with filling
title_full	Evolution of the spectrum of the Hubbard model with filling
title_fullStr	Evolution of the spectrum of the Hubbard model with filling
title_full_unstemmed	Evolution of the spectrum of the Hubbard model with filling
title_sort	evolution of the spectrum of the hubbard model with filling
publisher	Institute for Condensed Matter Physics
series	Condensed Matter Physics
issn	1607-324X
publishDate	2006-01-01
description	Nonequilibrium properties of an inhomogeneous electron gas are studied using the method of the nonequilibrium statistical operator by D.N. Zubarev. Generalized transport equations for the mean values of inhomogeneous operators of the electron number density, momentum density, and total energy density for weakly and strongly nonequilibrium states are obtained. We derive a chain of equations for the Green's functions, which connects commutative time-dependent Green's functions "density-density", "momentum-momentum", "enthalpy-enthalpy" with reduced Green's functions of the generalized transport coefficients and with Green's functions for higher order memory kernels in the case of a weakly nonequilibrium spatially inhomogeneous electron gas.
topic	Hubbard model diagram technique energy spectrum
url	http://dx.doi.org/10.5488/CMP.9.3.535
work_keys_str_mv	AT asherman evolutionofthespectrumofthehubbardmodelwithfilling
_version_	1725779412838776832

Evolution of the spectrum of the Hubbard model with filling

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