Intrinsic and extrinsic origins of the polar Kerr effect in a chiral p-wave superconductor
classification
❄️ cond-mat.supr-con
cond-mat.mes-hall
keywords
extrinsiceffectintrinsickerroriginspolarsuperconductorbeen
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Recently, the measurement of the polar Kerr effect (PKE) in the quasi two-dimensional superconductor Sr2RuO4, which is motivated to observe the chirality of px + i py-wave pairing, has been reported. We clarify that the PKE has intrinsic and extrinsic (disorder-induced) origins. The extrinsic contribution would be dominant in the PKE experiment.
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