Stabilizing role of mesoscopic fluctuations in spin systems

V.I. Yukalov

Physica A: Statistical Mechanics and its Applications, 1998, vol. 261, issue 3, 482-498

Abstract: The occurrence of mesoscopic fluctuations in statistical systems implies, from the point of view of dynamical theory, the existence of local instabilities. However, the presence of such fluctuations can make a system, as a whole, more stable from the thermodynamic point of view. Thus, in many cases, a local dynamic instability is a requisite for the global thermodynamic stability. This idea is illustrated by several spin models.

Keywords: Mesoscopic fluctuations; Heterophase states; Spin systems; Phase transitions (search for similar items in EconPapers)
Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:261:y:1998:i:3:p:482-498

DOI: 10.1016/S0378-4371(98)00310-0

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