Ensemble Green's function theory for interacting electrons with degenerate ground states
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DOI: 10.1103/physrevb.100.235106
Abstract: An ensemble Green's function theory for many-electron systems with degenerate ground states, based on the von Neumann density matrix formalism, is proposed. The formalism is constructed without an assumption of an adiabatic connection. An ensemble… read more here.
Keywords: function; function theory; ensemble green; green function ... See more keywords