Universal scaling in Bardeen-Cooper-Schrieffer superconductivity in two dimensions in non-s waves
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Iop Publishing Ltd
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The solutions of a renormalized BCS model are studied in two space dimensions for s, p and d waves for finite-range separable potentials. The gap parameter, the critical temperature T-c, the coherence length xi and the jump in specific heat at T-c as a function of the zero-temperature condensation energy exhibit universal scalings. In the weak-coupling limit, the present model yields a small xi and large T-c, appropriate for high-T-c cuprates. The specific heat, penetration depth and thermal conductivity as functions of temperature show universal scaling for p and d waves.
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Journal of Physics-condensed Matter. Bristol: Iop Publishing Ltd, v. 10, n. 1, p. 135-144, 1998.
