Publication:
Effect of interband interaction on isotope effect exponent of MgB 2 superconductors

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Issued Date

2006

Resource Type

Article

File Type

application/pdf

ISSN

3044289

DOI

10.1007/BF02704501

Other identifier(s)

2-s2.0-33645100098

Rights Holder(s)

Scopus

Bibliographic Citation

Pramana - Journal of Physics. Vol 66, No.3 (2006), p.589-596

Suggested Citation

Udomsamuthirun P., Kumvongsa C., Burakorn A., Changkanarth P. Effect of interband interaction on isotope effect exponent of MgB 2 superconductors. Pramana - Journal of Physics. Vol 66, No.3 (2006), p.589-596. doi:10.1007/BF02704501 Retrieved from: https://hdl.handle.net/20.500.14740/5905

Title

Effect of interband interaction on isotope effect exponent of MgB 2 superconductors

Author(s)

Udomsamuthirun P.
 Kumvongsa C.
 Burakorn A.
 Changkanarth P.

Abstract

The exact formula of Tc's equation and the isotope effect exponent of two-band s-wave superconductors in the weak-coupling limit are derived by considering the influence of interband interaction. In each band, our model consists of two pairing interactions: The electron-phonon interaction and non-electron-phonon interaction. We find that the isotope effect exponent of MgB2, α = 0.3 with Tc ≈ 40 K can be found in the weak coupling regime and interband interaction of electron-phonon shows more effect on the isotope effect exponent than on the interband interaction of non-phonon. © Indian Academy of Sciences.

Subject(s)

Electron-phonon interaction
 Interband interaction
 Isotope effect exponent
 Electrons
 Isotopes
 Magnesium compounds
 Phonons
 Superconducting materials

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URI

https://hdl.handle.net/20.500.14740/5905

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Scopus: Year 1983-2021

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