Critical fluctuation operators for a quantum model of a ferroelectric

Antony Car and Valentin A. Zagrebnov

Physica A: Statistical Mechanics and its Applications, 1994, vol. 212, issue 3, 398-414

Abstract: We consider dependence of the critical fluctuation operators on the rate of interaction decay for an exactly soluble model of the quantum anharmonic crystal of ferroelectric type. The critical exponents for the abnormal behavior of the displacement and momentum fluctuation operators on the critical line are calculated explicitly.

Date: 1994
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:212:y:1994:i:3:p:398-414

DOI: 10.1016/0378-4371(94)90341-7

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