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Nonequilibrium phase transition in fully frustrated Josephson junction arrays: A short-time dynamic approach

Qing-Miao Nie, Meng-Bo Luo, Qing-Hu Chen

DOI 10.1103/PhysRevB.74.024523 · Physical Review B

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Abstract

The nonequilibrium phase transition of two-dimensional fully frustrated Josephson junction arrays driven by external currents is studied in the framework of the short-time dynamic scaling approach. Within the resistively shunted junction dynamics, besides the critical temperature Tc, the static and dynamic critical exponents 2β∕ν, ν, and z are obtained. The resulting values of Tc are consistent with previous steady-state simulations and decrease with the increase of currents. It is found that the values of the exponent ν are not sensitive to external currents, while the values of 2β∕ν and z are strongly current dependent.

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