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http://hdl.handle.net/1783.1/6573
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| Title: | Broken time-reversal symmetry in Josephson junction involving two-band superconductors |
| Authors: | Ng, Tai-Kai
Nagaosa, Naoto |
| Keywords: | Phenomenological theories
Theories and models of superconducting state
Proximity effects
Andreev effect
SN and SNS junctions |
| Issue Date: | Jul-2009 |
| Citation: | Europhysics letters, v. 87, no. 1, 17003, July 2009 |
| Abstract: | A novel time-reversal symmetry breaking state is found theoretically in the Josephson junction between a two-gap superconductor and a conventional s-wave superconductor. This occurs as a result of frustration between the three order parameters analogous to two antiferromagnetically coupled XY-spins put under a magnetic field. This leads to formation of interface states with energies inside the superconducting gap and modified flux quantization condition for a ring composed of the two types of superconductors. |
| Rights: | Europhysics letters © copyright (2009) IOP Publishing Ltd. The Journal's web site is located at http://iopscience.iop.org/0295-5075 |
| URI: | http://hdl.handle.net/1783.1/6573 |
| Appears in Collections: | PHYS Journal/Magazine Articles
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| broken.pdf | | 133Kb | Adobe PDF | View/Open |
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