Title

Wigner-distribution- and Greens-function approach to quantum corrections and implications for the melting temperature of two-dimensional Wigner crystals

Document Type

Article

Publication Date

1-1-1985

Abstract

Quantum corrections to the behavior of a nearly classical system may be determined via the Greens-function formalism, or via the Wigner-distribution- function (WDF) method. Recently, it appeared that there is a serious discrepancy between the results obtained by these methods for the melting temperature of the two-dimensional Wigner crystal. We resolve this problem by showing that the effective-potential technique of implementing the WDF method is invalid, and we present a correct approach. © 1985 The American Physical Society.

Publication Source (Journal or Book title)

Physical Review B

First Page

471

Last Page

473

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