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Quasi-particle spectrum around a single vortex in f-wave superconductors

✍ Scribed by Masaru Kato; Hisataka Suematsu; Kazumi Maki

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
444 KB
Volume
408-410
Category
Article
ISSN
0921-4534

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✦ Synopsis

Making use of the Bogoliubov-de Gennes equation, we have investigated the quasi-particle spectrum of f-wave (ðp x AE ip y Þ cosðck z Þ) superconductors around a single vortex. In contrast to the p-wave superconductors, the bound state of the vortex with winding number )1, in which the bound states do not locate at zero-energy, moves to zero-energy, because the energy gap shrinks along the k z -axis. Also the satellite peaks, which are sharp in p-wave superconductors, are smeared in f-wave superconductors.

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✍ S. Tomita; M. Kato; K. Maki πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 English βš– 657 KB

For analyzing the checker-board like modulation of the local density of states (LDOS) around a vortex observed in the slightly overdoped Bi 2 Sr 2 CaCu 2 O x , we examined the effect of pseudogap state of high-T c superconductors to the LDOS around the vortex. We first derived the Bogoliubov-de Genn