A. Ghosh et Sk. Adhikari, UNIVERSAL SCALING IN BCS SUPERCONDUCTIVITY IN 3 DIMENSIONS IN NON-S WAVES, EUROPEAN PHYSICAL JOURNAL B, 2(1), 1998, pp. 31-36
The solutions of a renormalized BCS equation are studied in three spac
e dimensions in s, p and d waves for finite-range separable potentials
in the weak to medium coupling region. In the weak-coupling limit, th
e present BCS model yields a small coherence length xi and a large cri
tical temperature, T-c, appropriate for some high-T-c materials. The B
CS gap, T-c, xi and specific heat C-s(T-c) as a function of zero-tempe
rature condensation energy are found to exhibit potential-independent
universal scalings. The entropy, specific heat, spin susceptibility an
d penetration depth as a function of temperature exhibit universal sca
ling below T-c in p and d waves.