Title

Environmental effects on Coulomb blockade in a small tunnel junction: A nonperturbative calculation

Document Type

Article

Publication Date

1-1-1997

Abstract

A nonperturbative theory of environmental effects on the Coulomb blockade of single-electron tunneling, using the nonequilibrium Green’s-function technique and the path-integral method, is presented. A set of self-consistent equations for the current-voltage (Formula presented) characteristics and the related correlation functions is derived. It is demonstrated that the two existing theories, viz., the microscopic phase correlation theory and the phenomenological quantum Langevin equation approach, are just two special cases of the present self-consistent theory under some particular approximations. © 1997 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review B - Condensed Matter and Materials Physics

First Page

4737

Last Page

4742

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