Glassy dynamics of Josephon arrays on a dice lattice
Cataudella, Vittorio · Fazio, Rosario
Original · EN
In this Letter we study the phase diagram and the approach to the equilibrium of Josephson junction arrays on a dice lattice for two different values of the magnetic frustration (f=1/2,1/3). In both cases the array unedrgoes a Berezinskii-Kosterlitz-Thouless like phase transition. For the fully frustrated array, f=1/2, we find evidence of a glassy behavior although the system has no disorder. For comparison we study dynamics of the array at a different value of frustration (f=1/3) and find no trace of glassy dynamics.
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