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arXiv · 1711.06715

Current-carrying states in FFLO superconductors

K. V. Samokhin·B. P. Truong
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Abstract

We show that nonuniform superconductors of the Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) type conduct electric current in the way which is very different from the usual case. We discuss both equilibrium and nonequilibrium properties using a modified Ginzburg-Landau formalism. Among the novel features are the existence of two different critical currents and two distinct stable states able to carry a given current, the possibility of superconducting domain walls, and also a spontaneous supercurrent in a ring geometry.

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K. V. Samokhin, B. P. Truong. 2017-11-17. Current-carrying states in FFLO superconductors. https://doi.org/10.1103/physrevb.96.214501

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