Progress in numerical simulations of systems with a \(\theta \)-vacuum like term: The two- and three-dimensional Ising model within an imaginary magnetic field
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Publication:656653
DOI10.1016/J.NUCLPHYSB.2011.05.023zbMATH Open1229.82030arXiv1105.1020OpenAlexW2036282026MaRDI QIDQ656653
Author name not available (Why is that?)
Publication date: 18 January 2012
Published in: (Search for Journal in Brave)
Abstract: Using the approach developed in cite{REFVIC2}, we succeeded in reconstructing the behaviour of the antiferromagnetic Ising model with imaginary magnetic field for two and three dimensions in the low temperature regime. A mean-field calculation, expected to work well for high dimensions, is also carried out, and the mean-field results coincide qualitatively with those of the two- and three-dimensional Ising model. The mean field analysis reveals also a phase structure more complex than the one expected for with a topological therm.
Full work available at URL: https://arxiv.org/abs/1105.1020
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