Fuechsle, M. and Bentner, J. and Ryndyk, D. A. and Reinwald, M. and Wegscheider, W. and Strunk, C. (2009) Effect of Microwaves on the Current-Phase Relation of Superconductor-Normal-Metal-Superconductor Josephson Junctions. PHYSICAL REVIEW LETTERS, 102 (12): 127001. ISSN 0031-9007, 1079-7114
Full text not available from this repository.Abstract
We investigate the current-phase relation (CPR) of long diffusive superconductor-normal-metal-superconductor (Nb/Ag/Nb) Josephson junctions in thermodynamic equilibrium and under microwave irradiation. While in equilibrium good agreement with the predictions of quasiclassical theory is found, we observe that the shape of the CPR can be strongly affected by microwave irradiation. Close to a Josephson-phase difference phi similar or equal to pi, the supercurrent can be strongly suppressed when increasing the rf power. Our results can be understood in terms of microwave excitation of low-lying Andreev bound states across the minigap in the junction. In the frequency interval studied, this mechanism becomes important, when the minigap closes at phi similar or equal to pi.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ; |
| Subjects: | 500 Science > 530 Physics |
| Divisions: | Physics > Institute of Experimental and Applied Physics > Alumni or Retired Professors > Group Werner Wegscheider |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 21 Sep 2020 06:45 |
| Last Modified: | 21 Sep 2020 06:45 |
| URI: | https://pred.uni-regensburg.de/id/eprint/29256 |
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