Regensburg 2013 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 58: Poster Session Transport & Matter at Low Temperature

TT 58.32: Poster

Donnerstag, 14. März 2013, 15:00–19:00, Poster D

Decoherence due to quasi particle tunneling in superconducting resonators — •Sebastian Zanker, Michael Marthaler, and Gerd Schön — Institut für Theoretische Festkörperphysik, Karlsruher Institut für Technologie, D-76128 Karlsruhe

We investigate decoherence in superconducting resonators due to quasi particle tunneling. In particular resonators shunted by single Josephson junctions and SQUIDs as well as transmission line embedded Josephson junctions are studied. Quasi particle tunneling is assumed to occur because of the presence non-equilibrium quasi particles and decay times may be used to calculate quasi particle densities.