Retardation effects on the Peierls phase

B. Horovitz

doi:10.1016/0038-1098(76)90640-2

Retardation effects on the Peierls phase

B. Horovitz

Research output: Contribution to journal › Article › peer-review

13 Scopus citations

Abstract

The mean field theory of the Peierls instability is extended to include the small momentum transfer interaction, which is shown to be a retarded interaction. The Peierls transition temperature is shown to depend significantly on the bare phonon frequency. A positive isotope shift parameter is predicted, with values in the range 0-0.5. It is also argued that the ratio of the zero temperature gap to the transition temperature is larger than the BCS value of 3.5.

Original language	English
Pages (from-to)	1001-1004
Number of pages	4
Journal	Solid State Communications
Volume	19
Issue number	10
DOIs	https://doi.org/10.1016/0038-1098(76)90640-2
State	Published - 1 Jan 1976
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Materials Chemistry

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10.1016/0038-1098(76)90640-2

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title = "Retardation effects on the Peierls phase",

abstract = "The mean field theory of the Peierls instability is extended to include the small momentum transfer interaction, which is shown to be a retarded interaction. The Peierls transition temperature is shown to depend significantly on the bare phonon frequency. A positive isotope shift parameter is predicted, with values in the range 0-0.5. It is also argued that the ratio of the zero temperature gap to the transition temperature is larger than the BCS value of 3.5.",

author = "B. Horovitz",

year = "1976",

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N2 - The mean field theory of the Peierls instability is extended to include the small momentum transfer interaction, which is shown to be a retarded interaction. The Peierls transition temperature is shown to depend significantly on the bare phonon frequency. A positive isotope shift parameter is predicted, with values in the range 0-0.5. It is also argued that the ratio of the zero temperature gap to the transition temperature is larger than the BCS value of 3.5.

AB - The mean field theory of the Peierls instability is extended to include the small momentum transfer interaction, which is shown to be a retarded interaction. The Peierls transition temperature is shown to depend significantly on the bare phonon frequency. A positive isotope shift parameter is predicted, with values in the range 0-0.5. It is also argued that the ratio of the zero temperature gap to the transition temperature is larger than the BCS value of 3.5.

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U2 - 10.1016/0038-1098(76)90640-2

DO - 10.1016/0038-1098(76)90640-2

M3 - Article

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SP - 1001

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JO - Solid State Communications

JF - Solid State Communications

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Retardation effects on the Peierls phase

Abstract

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