Non-universal features in the quasi-particle excitation spectra of Andreev billiards and wires

DOI zum Zitieren dieses Dokuments:: 10.5283/epub.1462

Ihra, Wolfgang ; Richter, Klaus

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Veröffentlichungsdatum dieses Volltextes: 05 Aug 2009 13:29

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Zusammenfassung

We study non-universal features of the quasi- particle excitation spectra of normal-conducting mesoscopic structures, whose classical dynamics are chaotic, and which are coupled to a superconducting lead. In the first part we demonstrate the importance of non-universal contributions in Andreev billiards when the ergodic time of the billiard is of the same order as the mean escape time. ...