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Dresden 2014 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 30: Superconductivity - Poster Session

TT 30.49: Poster

Monday, March 31, 2014, 15:00–19:00, P2

The multidimensional eigenstates of the flux qubit — •Melanie Hauck, Iris Conradi, Andreas Heimes, Michael Marthaler, and Gerd Schön — Institut für Theoretische Festkörperphysik, Karlsruhe

In order to show the influence of the second dimension of the gap-tunable flux qubit compared to the common one-dimensional description we construct the two-dimensional eigenstates using the eigenstates of the harmonic oscillator and the double-well potential. At first we analytically describe the eigenstates of the one-dimensional problem with different parameter configurations. Variations of the external flux through the main loop cause an asymmetry in the double-well potential. We find the eigenstate of the double well potential for various parameter regimes. We then numerically estimate how the eigenstates in two dimensions can be decomposed into eigenstates of the double well and an harmonic oscillator.

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