Investigate the effect of anisotropic order parameter on the specific heat of anisotropic two-band superconductors

Details Investigate the effect of anisotropic order parameter on the specific heat of anisotropic two-band superconductors Investigate the effect of anisotropic order parameter on the specific heat of anisotropic two-band superconductors

2009-04-08

arxiv.org/abs/0904.1259v1

Physics

Condensed Matter

Superconductivity

10 pages, 3 fingures

Scientific paper

The effect of anisotropic order parameter to specific heat of anisotropic two-band superconductors in BCS weak-coupling limit are investigated. An analytical specific heat jump and the numerical specific heat are shown by using anisotropic order parameters, and the electron-phonon interaction and non-electron-phonon interaction. The two model of anisotropic order parameters are used for numerical calculation that we find little effect to the numerical results . The specific heat jump of, and superconductors can fit well with the both of them. By comparing to experimental data overall range of temperature, the best fit is ,, and superconductors, respectively.

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