https://doi.org/10.1140/epjb/e2004-00067-3
Thermal conductivity and competing orders in d-wave superconductors
Department of Applied Mathematics, University of
Western Ontario, London, Ontario N6A 5B7, Canada
Corresponding authors: a vgusynin@bitp.kiev.ua - b vmiransk@uwo.ca
Received:
5
October
2003
Revised:
9
December
2003
Published online:
2
April
2004
We derive the expression for the thermal conductivity κ in
the low-temperature limit in d-wave superconductors, taking
into account the presence of competing orders such as spin-density wave,
is-pairing, etc. The expression is used for analyzing recent
experimental data in
.
Our analysis strongly suggests that competing orders can be responsible
for anomalies in behavior of thermal conductivity observed in those
experiments.
PACS: 74.25.Fy – Transport properties (electric and thermal conductivity, thermoelectric effects, etc.) / 74.72.Dn – La-based cuprates / 74.72.-h – Cuprate superconductors (high-Tc and insulating parent compounds)
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2004