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Spontaneous Breakdown of Time-Reversal Symmetry Induced by Thermal Fluctuations
J. Carlstrom, E. Babaev
In systems with broken symmetry, such as superfluids, superconductors or magnets, the symmetry restoration is driven by proliferation of topological defects in the form of v…
Topological solitons in three-band superconductors with broken time reversal symmetry
Julien Garaud, Johan Carlstrom, Egor Babaev
We show that three-band superconductors with broken time reversal symmetry allow magnetic flux-carrying stable topological solitons which have only a slightly higher energy than or…
Semi-Meissner state and non-pairwise intervortex interactions in type-1.5 superconductors
Johan Carlstrom, Julien Garaud, Egor Babaev
We demonstrate existence of non-pairwise interaction forces between vortices in multicomponent and layered superconducting systems. That is, in contrast to most common models, the…
Type-1.5 superconductivity in multiband systems: the effects of interband couplings
Johan Carlstrom, Egor Babaev, Martin Speight
In contrast to single-component superconductors, which are described at the level of Ginzburg-Landau theory by a single parameter κand are divided in type-I κ<1/\sqrt{2} and type-I…