DC-Current Induced Domain Wall in a Chiral p-Wave Superconductor

Abstract : We study theoretically the impact of an applied DC-current on a mesoscopic chiral p-wave superconductor. Performing quasi-classical calculations on a two-dimensional system, with an external magnetic flux to generate a DC current, we show that the current can trigger a transition to a state with a domain wall between regions of different chiralities. The system shows an hysteretic behavior, as different domain wall configurations are possible for a given current. This domain wall creation mechanism can give new insights on recent experiments observing anomalous current variations in Sr 2 RuO 4 junctions.
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Journal of the Physical Society of Japan, Physical Society of Japan 日本物理学会, 2018, 87 (9), pp.094705. 〈10.7566/JPSJ.87.094705〉
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Contributeur : Thibaut Jonckheere <>
Soumis le : mardi 18 septembre 2018 - 11:05:30
Dernière modification le : mardi 26 février 2019 - 15:08:14
Document(s) archivé(s) le : mercredi 19 décembre 2018 - 13:01:10

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Thibaut Jonckheere, Takeo Kato. DC-Current Induced Domain Wall in a Chiral p-Wave Superconductor. Journal of the Physical Society of Japan, Physical Society of Japan 日本物理学会, 2018, 87 (9), pp.094705. 〈10.7566/JPSJ.87.094705〉. 〈hal-01876147〉

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