A straightforward limit procedure is developed for evaluating the expectation value of a generic many-particle operator defined in the AbrikosovColeman’s pseudo-fermion formalism. It can be useful for the study of nonequilibrium Kondo-type problems.
Pseudo-fermion formalism applied to nonequilibrium Kondo-type problems / Morandi, O; Hervieux, P.-A.; Manfredi, G.. - In: IL NUOVO CIMENTO C. - ISSN 2037-4909. - STAMPA. - 33:(2010), pp. 173-180. [10.1393/ncc/i2010-10577-1]
Pseudo-fermion formalism applied to nonequilibrium Kondo-type problems
MORANDI, OMAR;
2010
Abstract
A straightforward limit procedure is developed for evaluating the expectation value of a generic many-particle operator defined in the AbrikosovColeman’s pseudo-fermion formalism. It can be useful for the study of nonequilibrium Kondo-type problems.
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