Random fields and quantum effects in proton glasses |
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Authors: | T. K. Kopeć B. Tadić R. Pirc R. Blinc |
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Affiliation: | (1) Joef Stefan Institute, YU-61111 Ljubljana, Yugoslavia;(2) Present address: Institute for Low Temperature and Structure Research, Polish Academy of Sciences, P.O.B. 937, PL-50-950 Wrocaw, Poland |
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Abstract: | The effects of quantum fluctuations on the proton glass phase in mixed hydrogen-bonded ferro-antiferroelectric systems are considered. The system is described in terms of the infinite-ranged Ising pseudospin glass model in a transverse tunneling field in the presence of random parallel fields. The stability limit of the high-temperature proton glass phase is determined within the thermofield dynamic approach, and the behavior or linear and nonlinear susceptibility is evaluated. |
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