Vortex lattices in layered superconductors
Vesna Prokić, Dragomir Davidović, Ljiljana Dobrosavljević-Grujić
DOI 10.1103/PhysRevB.51.6013 · Physical Review B
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Abstract
We study vortex lattices in a superconductor–normal-metal superlattice in a parallel magnetic field. Distorted lattices, resulting from the shear deformations along the layers, are found to be unstable. Under field variation, nonequilibrium configurations undergo an infinite sequence of continuous transitions, typical for soft lattices. The equilibrium vortex arrangement is always a lattice of isocell triangles, without shear.
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