Current-induced chiral phase transition in a Josephson-junction array
M. V. Simkin
DOI 10.1103/PhysRevB.55.78 · Physical Review B
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Abstract
It is predicted that the fully frustrated Josephson-junction array on a square lattice with alternating columns of junctions having a reduced critical current Iweak=μI0 (with μ<1 and I0 the critical current of all other junctions) in a certain range of μ will under increasing of the external current first change from a state with zero chirality to a state with a nonzero one at the lower critical current Ic1 before entering the nonsuperconducting state at the upper critical current Ic2.
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