Block model for the XY-type Landau–Ginzburg–Wilson Hamiltonian with random temperature

Xintian Wu

Physica A: Statistical Mechanics and its Applications, 2012, vol. 391, issue 24, 6247-6255

Abstract: The phase fluctuation near the saddle point solution of the XY-type Landau–Ginzburg–Wilson Hamiltonian with random temperature is studied. Through some examples, it is argued that the systems are self-organized into blocks, which are coupled as a XY model with random bond. The couplings obtained in this way agree with those by the domain wall method.

Keywords: Excited state solution; Phase transition; Disordered systems; Landau–Ginzburg Hamiltonian (search for similar items in EconPapers)
Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:391:y:2012:i:24:p:6247-6255

DOI: 10.1016/j.physa.2012.07.052

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