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Magnetic-Field Dependences of Thermodynamic Quantities in the Vortex State of Type-II Superconductors

Koichi Watanabe, Takafumi Kita, Masao Arai

cond-mat.supr-conarXiv:cond-mat/0501405

Abstract

We develop an alternative method to solve the Eilenberger equations numerically for the vortex-lattice states of type-II superconductors. Using it, we clarify the magnetic-field and impurity-concentration dependences of the magnetization, the entropy, the Pauli paramagnetism, and the mixing of higher Landau levels in the pair potential for two-dimensional s- and dx2-y2-wave superconductors with the cylindrical Fermi surface.

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