標題: Static and dynamical anisotropy effects in the mixed state of d-wave superconductors
作者: Chang, D
Mou, CY
Rosenstein, B
Wu, CL
電子物理學系
Department of Electrophysics
公開日期: 1-Apr-1998
摘要: We describe the effects of anisotropy caused by the crystal lattice in d-wave superconductors using an effective foe-energy approach in which only one order parameter, the d-wave order-parameter field, is used. The Abrikosov parameter beta(A) is calculated analytically for both static and moving vortex lattices. The analytic expression provides an unambiguous determination of the vortex-lattice structure. We also calculate both direct and Hall I-V curves as functions of the angle between the current and the crystal-lattice orientation. In particular, we show that near H-c2 the fourfold symmetry of the crystal lattice causes asymmetric motions of particles and holes, resulting in a nonvanishing Hall current.
URI: http://dx.doi.org/10.1103/PhysRevB.57.7955
http://hdl.handle.net/11536/32681
ISSN: 1098-0121
DOI: 10.1103/PhysRevB.57.7955
期刊: PHYSICAL REVIEW B
Volume: 57
Issue: 13
起始頁: 7955
結束頁: 7969
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