Proximity-induced time-reversal symmetry breaking at Josephson junctions between unconventional superconductors

Abstract

We argue that a locally time-reversal symmetry breaking state can occur at Josephson junctions between unconventional superconductors. Order parameters induced by the proximity effect can combine with the bulk order parameter to form such a state. This property is specifically due to the intrinsic phase structure of the pairing wave function in unconventional superconductors. Experimental consequences of this effect in high-temperature superconductors are examined.

4 pages, RevTex, 3 figures upon request to [email protected], a minor correction to the original version

References in corpus (4)

• Fractional Vortices as Evidence of Time-Reversal Symmetry Breaking in High-Temperature Superconductors
• Charge Transport in Junctions between D-Wave Superconductors
• Tunnel junctions of unconventional superconductors
• Test Experiment for Time-Reversal Symmetry Breaking Superconductivity

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