Anisotropic critical fields of MgB2 single crystals

Dahm T, Posazhennikova AI, Maki K (2003)
Acta Physica Polonica B 34(2): 549-552.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Dahm, ThomasUniBi; Posazhennikova, AI; Maki, K
Abstract / Bemerkung
The recently discovered superconductivity in MgB2 has created the world sensation. In spite of the relatively high superconducting transition temperature T-c = 39 K, the superconductivity is understood in terms of rare two gap superconductor with energy gaps attached to the sigma and pi-band. However, this simple model cannot describe the temperature dependent anisotropy in H-c2 or the temperature dependence of the anisotropic magnetic penetration depth. Here we propose a model with two anisotropic energy gaps with different shapes. Indeed the present model describes a number of peculiarities of MgB2 which have been revealed only recently through single crystal MgB2.
Erscheinungsjahr
2003
Zeitschriftentitel
Acta Physica Polonica B
Band
34
Ausgabe
2
Seite(n)
549-552
ISSN
0587-4254
Page URI
https://pub.uni-bielefeld.de/record/2330212

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Dahm T, Posazhennikova AI, Maki K. Anisotropic critical fields of MgB2 single crystals. Acta Physica Polonica B. 2003;34(2):549-552.
Dahm, T., Posazhennikova, A. I., & Maki, K. (2003). Anisotropic critical fields of MgB2 single crystals. Acta Physica Polonica B, 34(2), 549-552.
Dahm, Thomas, Posazhennikova, AI, and Maki, K. 2003. “Anisotropic critical fields of MgB2 single crystals”. Acta Physica Polonica B 34 (2): 549-552.
Dahm, T., Posazhennikova, A. I., and Maki, K. (2003). Anisotropic critical fields of MgB2 single crystals. Acta Physica Polonica B 34, 549-552.
Dahm, T., Posazhennikova, A.I., & Maki, K., 2003. Anisotropic critical fields of MgB2 single crystals. Acta Physica Polonica B, 34(2), p 549-552.
T. Dahm, A.I. Posazhennikova, and K. Maki, “Anisotropic critical fields of MgB2 single crystals”, Acta Physica Polonica B, vol. 34, 2003, pp. 549-552.
Dahm, T., Posazhennikova, A.I., Maki, K.: Anisotropic critical fields of MgB2 single crystals. Acta Physica Polonica B. 34, 549-552 (2003).
Dahm, Thomas, Posazhennikova, AI, and Maki, K. “Anisotropic critical fields of MgB2 single crystals”. Acta Physica Polonica B 34.2 (2003): 549-552.
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