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  • Digitale Medien  (3)
  • 1970-1974  (3)
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Materialart
  • Digitale Medien  (3)
Erscheinungszeitraum
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    Dynamical fluctuation of the order parameter and diamagnetism of superconductors. I. Dirty limit (1971)
    Springer
    Journal of low temperature physics 5 (1971), S. 313-323 
    Details
    ISSN: 1573-7357
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Limiting ourselves to dirty superconductors, we study theoretically the fluctuation-induced diamagnetism above the superconducting transition. We find that the dynamical fluctuation is extremely important except in the immediate vicinity of the transition region [i.e.,T℞T c(H) orH℞H c2(T), whereH c2 is the upper critical field] and that this contribution does account for a large discrepancy between previous calculations and the recent experiment by Gollub, Beasley, and Tinkham.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00629707
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  • 2
    Digitale Medien
    Digitale Medien
    Theory of dirty type-II superconductors (1973)
    Springer
    Journal of low temperature physics 12 (1973), S. 195-214 
    Details
    ISSN: 1573-7357
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract A theory of dirty type-II superconductors is proposed, which describes the behavior of the vortex state not only in the high-field region but also in the intermediate-field region. We construct the theory by taking into account the self-energy corrections to the electron Green function due to the presence of the spatially varying order parameter by the method similar to the one used previously by Brandt, Pesch, and Tewordt in their study of pure type-II superconductors. Making use of this Green function, we calculate thermodynamic as well as dynamic properties of dirty type-II superconductors, which describe quite well the observed behavior in the wider range of the vortex state. In particular, we obtain a sharp decrease of the flux-flow resistivity immediately below the upper critical field, while thermodynamic quantities vary smoothly in the same region. This accounts for the discrepancy so far found between the theory and the experiment for the flux-flow conductivity in the vortex state.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00654736
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  • 3
    Digitale Medien
    Digitale Medien
    Electron-phonon interaction in impure metals (1973)
    Springer
    The European physical journal 263 (1973), S. 329-340 
    Details
    ISSN: 1434-601X
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract Making use of the theory for the phonon damping in an impure metal developed recently by Eisenriegler, we study the interaction between electrons and long wave-length longitudinal phonons, and its effects on electronic properties at low temperatures. On account of the inelastic scattering of electrons by impurity ions, a minimum in the electrical resistivity is found when plottedvs temperature, although its value is extremely small.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01391591
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