Peierls-Frohlich instability and superconductivity in linear chain crystals

H. Gutfreund; B. Horovitz; M. Weger

doi:10.1088/0022-3719/7/2/016

Peierls-Frohlich instability and superconductivity in linear chain crystals

H. Gutfreund, B. Horovitz, M. Weger

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

55 Scopus citations

Abstract

The transition to insulating or superconducting states in linear chain systems is discussed in relation to the recently observed paraconductivity in TTF-TCNQ crystals. A relation between T_c, the Peierls transition temperature T_p, and the electron-phonon coupling strength is derived using the RPA and a simplified form the strong coupling equation for T _c. It is argued that in principle one can have either T _p>T_c or T_c>T_p.

Original language	English
Article number	016
Pages (from-to)	383-388
Number of pages	6
Journal	Journal of Physics C: Solid State Physics
Volume	7
Issue number	2
DOIs	https://doi.org/10.1088/0022-3719/7/2/016
State	Published - 1 Dec 1974
Externally published	Yes

ASJC Scopus subject areas

Condensed Matter Physics
General Engineering
General Physics and Astronomy

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10.1088/0022-3719/7/2/016

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abstract = "The transition to insulating or superconducting states in linear chain systems is discussed in relation to the recently observed paraconductivity in TTF-TCNQ crystals. A relation between Tc, the Peierls transition temperature Tp, and the electron-phonon coupling strength is derived using the RPA and a simplified form the strong coupling equation for T c. It is argued that in principle one can have either T p>Tc or Tc>Tp.",

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AU - Horovitz, B.

AU - Weger, M.

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N2 - The transition to insulating or superconducting states in linear chain systems is discussed in relation to the recently observed paraconductivity in TTF-TCNQ crystals. A relation between Tc, the Peierls transition temperature Tp, and the electron-phonon coupling strength is derived using the RPA and a simplified form the strong coupling equation for T c. It is argued that in principle one can have either T p>Tc or Tc>Tp.

AB - The transition to insulating or superconducting states in linear chain systems is discussed in relation to the recently observed paraconductivity in TTF-TCNQ crystals. A relation between Tc, the Peierls transition temperature Tp, and the electron-phonon coupling strength is derived using the RPA and a simplified form the strong coupling equation for T c. It is argued that in principle one can have either T p>Tc or Tc>Tp.

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Peierls-Frohlich instability and superconductivity in linear chain crystals

Abstract

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