Abstract
Vortex lattices of four fold symmetric superconductors are studied numerically on the basis of the quasiclassical theory. The four fold symmetric anisotropy of the Fermi velocity or the superconducting gap function causes the vortex lattice transformation. The transformation as observed in LuNi2B2C could be understood with the four fold symmetric anisotropy. We show the temperature and field phase diagram for four fold symmetric superconductors and the spatial structures of the pair potential and zero energy states in the case of the stable square vortex lattice at the low field.
| Original language | English |
|---|---|
| Pages (from-to) | 677-678 |
| Number of pages | 2 |
| Journal | Physica C: Superconductivity and its applications |
| Volume | 388-389 |
| DOIs | |
| Publication status | Published - May 1 2003 |
| Event | proceedings of the 23rd international conference on low temper - Hiroshima, Japan Duration: Aug 20 2002 → Aug 27 2002 |
Keywords
- Borocarbide superconductors
- Four fold symmetric anisotropy
- Quasiclassical theory
- Vortex lattice
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Energy Engineering and Power Technology
- Electrical and Electronic Engineering
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Cite this
Nakai, N., Miranović, P., Ichioka, M., & Machida, K. (2003). Theoretical study on vortex lattices in tetragonal superconductors. Physica C: Superconductivity and its applications, 388-389, 677-678. https://doi.org/10.1016/S0921-4534(02)02446-2