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Universal scaling in BCS superconductivity in two dimensions in non-s waves | | Sadhan K. Adhikari
; Angsula Ghosh
; | | Date: |
22 Oct 1997 | | Journal: | J. Phys.: Cond. Mat., 10 (1998) 135 | | Subject: | Superconductivity | cond-mat.supr-con | | Abstract: | The solutions of a renormalized BCS model are studied in two space dimensions in $s$, $p$ 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 zero-temperature condensation energy exhibit universal scalings. In the weak-coupling limit, the present model yields a small $xi$ and large $T_c$ appropriate to those for high-$T_c$ cuprates. The specific heat, penetration depth and thermal conductivity as a function of temperature show universal scaling in $p$ and $d$ waves. | | Source: | arXiv, cond-mat/9710240 | | Services: | Forum | Review | PDF | Favorites | |
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