V Zhuravlev et al 1999 J. Phys.: Condens. Matter 11 L393 doi:10.1088/0953-8984/11/32/103
A unified mean field approach to the dHvA effect in the vortex state near the upper critical field
V Zhuravlev
, T Maniv
, I D Vagner and P Wyder
LETTER TO THE EDITOR
The effect of nonmagnetic impurity scattering on the additional damping of de Haas-van Alphen (dHvA) oscillations in the mixed state of type II superconductors near the upper critical field is studied within mean field theory in the relaxation time approximation. Our calculations show that this effect becomes important only for small thermal smearing of the single particle distribution function and small disorder broadening of the Landau levels. The relationships between the different mechanisms of broadening are discussed.
- PACS
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74.25.Op Mixed states, critical fields, and surface sheaths
74.20.-z Theories and models of superconducting state
71.18.+y Fermi surface: calculations and measurements; effective mass, g factor
- Subjects
- Dates
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Issue 32 (16 August 1999)
Received 4 May 1999
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A unified mean field approach to the dHvA effect in the vortex state near the upper critical field
V Zhuravlev et al 1999 J. Phys.: Condens. Matter 11 L393
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