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Efficient simulation of resistively shunted Josephson junctions.

  • Werner P Institut für theoretische Physik, ETH Hönggerberg, CH-8093 Zürich, Switzerland.
  • Troyer M
  • 2005-08-11
Published in:
  • Physical review letters. - 2005
General Physics and Astronomy
English We present a cluster algorithm for resistively shunted Josephson junctions or similar physical systems, which dramatically improves sampling efficiency, and apply it to the superconductor-to-metal transition in a single junction. Measuring the temperature dependence of the zero bias resistance, we confirm that the critical point does not depend on the strength of the Josephson coupling. However, we find that the correlation exponents vary continuously along the phase boundary, indicating that the Schmid-Bulgadaev transition is a line of fixed points.
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  • English
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https://sonar.ch/global/documents/71623
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