Physical realization of the generalized fully frustrated XY model in an array of SFS junctions

Abstract

We show that a physical realization of the phase diagram proposed by Minnhagen et al. [Phys. Rev. B 78, 184432 (2008)] for so-called generalized fully frustrated XY model on square lattice can be achieved in arrays of SFS (superconductor-ferromagnet-superconductor) junctions near the transition of the junctions to $\pi$-state. Moreover, the phase diagram with such a topology has to be reproduced twice, on both sides of the $0-\pi$ transition.

4 pages, 5 figures

References in corpus (4)

• Boson pairing and unusual criticality in a generalized XY model
• Nematic and chiral orders for planar spins on triangular lattice
• Phase diagram of generalized fully frustrated XY model in two dimensions
• Symmetry-allowed phase transitions realized by the two-dimensional fully frustrated XY class