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The energy, current density and momentum probability densities of superconductors were studied from London, Ginzburg-Landau and BSC theories by treating cooper pair as a particle moving in a magnetic field through analytical and numerical techniques. The London and GL solution were exactly the same at the classical limit for NbN. Considering a Cooper pair as a complete classical particle, the momentum probability density was derived by using the Maxwell velocity distribution and the quantum mechanical momentum probability density was derived by using the radial wave function of the cooper pairs for Zn. The quantum mechanical and classical momentum probability densities overlap at zero momentum.
Rocznik
Tom
Strony
31--44
Opis fizyczny
Bibliogr. 8 poz., rys., wz.
Twórcy
autor
- Department of Physics, University of Colombo, Colombo 3, Sri Lanka
autor
- Department of Physics, University of Colombo, Colombo 3, Sri Lanka
Bibliografia
- [1] O. H. Kamerlingh, Comm. Phys. Lab. Univ. Leiden 120b, 122b, 124c. (1911)
- [2] W. Meissner, R. Ochsenfeld, Naturwissenschaften 21 (1933) 787.
- [3] F. London, H. London, Proc. Roy. Soc. (London) A149 (866) (1935) 71-88.
- [4] V. L. Ginzburg, L. D. Landau, Zh. Eksp. Teor. Fiz. 20 (1950) 1064.
- [5] L. N. Cooper, Phys. Rev. 104 (1956)1189 – 1190.
- [6] J. Bardeen, L. N. Cooper, J. R. Schrieffer, Phys. Rev. 106 (1) (1957) 162–164.
- [7] V. L Ginzburg, Chem. Phys. Chem. 5 (7) (2004) 930–945.
- [8] A. M. Kadin, J. Supercond. & Novel Mag. 20 (2007) 285-292.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-6af1e10d-904b-4e8d-8843-acbdb375ff5a