Issue |
Europhys. Lett.
Volume 45, Number 1, January I 1999
|
|
---|---|---|
Page(s) | 71 - 75 | |
Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
DOI | https://doi.org/10.1209/epl/i1999-00133-6 | |
Published online | 01 September 2002 |
Vortex state in isotropic p-wave superconductors in the vicinity of upper critical field
Department of Physics and Astronomy,
University of Southern California,
Los Angeles, CA90089-0484, USA
Received:
21
September
1998
Accepted:
5
November
1998
Making use of the superconducting order parameter in the vicinity of
in quasi-2D p-wave superconductors in a magnetic field
parallel to the c-axis, we study the effect of impurity on the upper
critical field and the vortex lattice structure and the quasi-particle
density of states in the vortex lattice state. We find that the square
vortex lattice is very robust even in the presence of impurity. The
quasi-particle density of states exhibits the strong twofold
symmetry characteristic to the p-wave superconductivity, which will
be accessible by STM for example. We expect that the present result
applies to the vortex state in Sr2RuO4 and (TMTSF)2ClO4, etc.
PACS: 74.60.Ec – Mixed state, critical fields, and surface sheath / 74.70.Kn – Organic superconductors / 74.72.Yg – Other compounds
© EDP Sciences, 1999
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