Avoided critical behavior in a uniformly frustrated system

L. Chayes, V.J. Emery, S.A. Kivelson, Z. Nussinov and G. Tarjus

Physica A: Statistical Mechanics and its Applications, 1996, vol. 225, issue 1, 129-153

Abstract: We study the effects of weak long-ranged antiferromagnetic interactions of strength Q on a spin model with predominant short-ranged ferromagnetic interactions. In three dimensions, this model exhibits an avoided critical point in the sense that the critical temperature Tc(Q = 0) is strictly greater than limQ→0Tc(Q). The behavior of this system at temperatures less than Tc(Q = 0) is controlled by the proximity to the avoided critical point. We also quantize the model in a novel way to study the interplay between charge-density wave and superconducting order.

Keywords: Avoided critical point; Uniform frustration; Spherical spin model (search for similar items in EconPapers)
Date: 1996
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:225:y:1996:i:1:p:129-153

DOI: 10.1016/0378-4371(95)00374-6

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