Physics – Condensed Matter – Superconductivity
Scientific paper
1999-05-13
Physics
Condensed Matter
Superconductivity
To appear in Journ. Phys. : Cond. Matter
Scientific paper
10.1088/0953-8984/11/25/306
We calculate the quasiparticle contribution to the zero temperature Hall conductance of two-dimensional extreme type-II superconductors in a high magnetic field, using the Landau basis. As one enters the superconducting phase the Hall conductance is renormalized to smaller values, with respect to the normal state result, until a quantum level-crossing transition is reached. At high values of the order parameter, where the quasiparticles are bound to the vortex cores, the Hall conductance is expected to tend to zero due to a theorem of Thouless.
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