| Issue |
Europhys. Lett.
Volume 56, Number 5, December 2001
|
|
|---|---|---|
| Page(s) | 729 - 735 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2001-00581-4 | |
| Published online | 01 December 2003 | |
The angular-dependent specific heat, Hall superfluid density, etc. in the vortex state of d-wave superconductors
1
Department of Physics, Hallym University -
Chunchon 200-702, South Korea
2
Department of Physics and Astronomy,
University of Southern California
Los Angeles, CA 90089-0484, USA
Received:
20
February
2001
Accepted:
12
September
2001
Within the semi-classical approximation, we study the thermodynamic
properties of the vortex state in d-wave superconductors when a
magnetic field is applied parallel to the conducting plane, specially
for low field and low temperature, 
and 
.
We find that the specific heat, the spin susceptibility, the superfluid
density and the nuclear spin relaxation rate depend on the angle
between the magnetic field and the a-axis and exhibit the scaling
behavior in terms of 
. We predict also a substantial Hall
superfluid density (i.e. the supercurrent component perpendicular to
the vector potential 
). Further the Hall superfluid
density decreases slowly with increasing temperature.
PACS: 74.20.Fg – BCS theory and its development / 74.25.Bt – Thermodynamic properties
© EDP Sciences, 2001
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