Field-induced superconductivity with an enhanced and tunable paramagnetic limit |
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Authors: | Buzdin A Tollis S Cayssol J |
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Affiliation: | Condensed Matter Theory Group, CPMOH, UMR 5798, Université Bordeaux I, Talence, France. |
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Abstract: | We demonstrate that in a superconducting multilayered system with alternating interlayer coupling a new type of nonuniform superconducting state can be realized under an in-plane magnetic field. The Zeeman effect in this state is compensated by the energy splitting between bonding and antibonding levels. At low temperature such a compensation mechanism leads to field-induced superconductivity. We discuss the conditions for the experimental observation of the predicted phenomena. |
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