Intrinsic Optical Dichroism in the Chiral Superconducting State of Sr2RuO4
K. I. Wysokiński, James F. Annett, B. L. Györffy
DOI 10.1103/PhysRevLett.108.077004 · Physical Review Letters
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Abstract
We present an analysis of the Hall conductivity σxy(ω,T) in time reversal symmetry breaking states of exotic superconductors. We find that the dichroic signal is nonzero in systems with interband order parameters. This new intrinsic mechanism may explain the Kerr effect observed in strontium ruthenate and possibly other superconductors. We predict coherence factor effects in the temperature dependence of the imaginary part of the ac Hall conductivity Imσxy(ω,T), which can be tested experimentally.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Sr2RuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.5 | Pressure not reported | unknown |
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