Electronic structure of multiquantum giant vortex states in mesoscopic superconducting disks
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Publication:4547708
DOI10.1073/PNAS.082096799zbMath1001.82120arXivcond-mat/0204384OpenAlexW2108351503WikidataQ34024137 ScholiaQ34024137MaRDI QIDQ4547708
Kaori Tanaka, Boldizsár Jankó, István Robel
Publication date: 11 September 2002
Published in: Proceedings of the National Academy of Sciences (Search for Journal in Brave)
Abstract: We report self-consistent calculations of the microscopic electronic structure of the so-called giant vortex states. These novel multiquantum vortex states, detected by recent magnetization measurements on submicron disks, are qualitatively different from the Abrikosov vortices in the bulk. We find that, in addition to multiple branches of bound states in the core region, the local tunneling density of states exhibits Tomasch oscillations due to the single-particle interference arising from quantum confinement. These features should be directly observable by scanning tunneling spectroscopy.
Full work available at URL: https://arxiv.org/abs/cond-mat/0204384
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