| Issue |
Europhys. Lett.
Volume 43, Number 6, September II 1998
|
|
|---|---|---|
| Page(s) | 707 - 712 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1998-00421-1 | |
| Published online | 01 September 2002 | |
Complex order parameter symmetry and thermal conductivity
Instituto de Física, Universidade Federal Fluminense, Campus da Praia Vermelha, Av. Litorânea s/n, 24210 - 340, Niterói, Rio de Janeiro, Brazil
Received:
12
March
1998
Accepted:
27
July
1998
Thermal behaviour of superconductors with complex order parameter symmetry is studied within a weak-coupling theory. It is shown numerically that the thermal nature of the different components of complex order parametrs are qualitatively different. Within the complex order parameter scenario, the recent experimental observations by Krishna et al. (Science, 277 (1997) 83) on magnetothermal conductivity and by J. Ma et al. (Science, 267 (1995) 862) on temperature-dependent gap anisotropy for high-temperature superconductors can have natural explanation.
PACS: 74.25.Fy – Transport properties (electric and thermal conductivity, thermoelectric effects, etc.) / 74.60.Ec – Mixed state, critical fields, and surface sheath / 74.25.Dw – Superconductivity phase diagram
© EDP Sciences, 1998
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