Nobuhiko Hayashi
1999, Okayama University (Japan)
Abstract (short version) :
Electronic structure of a single vortex (or vortex core structure) in type-II superconductors is theoretically discussed in the present thesis.
Low-lying excited states in the superconductors due to the vortex, i.e., ``vortex bound states," are examined in detail on the basis of numerical calculations.
Two points are focused on: the effect of superconducting gap anisotropy on a vortex and the property of a vortex in quantum-limit situation.
The electric charging of a vortex core is also discussed on the basis of the particle-hole asymmetry induced inside the vortex core.
