Thermodynamics of the fully frustrated quantum Josephson-junction array: A hybrid Monte Carlo study
J. Mikalopas, M. Jarrell, F. J. Pinski, Woonki Chung, M. A. Novotny
DOI 10.1103/PhysRevB.50.1321 · Physical Review B
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Abstract
We use a hybrid Monte Carlo algorithm to simulate the thermodynamic properties of a two-dimensional periodic array of fully frustrated quantum Josephson junctions. We find a variety of metastable configurations that correspond to spatial domain boundaries that are also present in classical arrays. In previous work, due to long temporal correlations between configurations in diffusive Monte Carlo algorithms, such metastable states were interpreted as evidence for a quantum-induced low-temperature first-order transition.
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