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arXiv · 0711.2898

New Results on the Phase Diagram of the FFXY Model: A Twisted CFT Approach

G. Cristofano·V. Marotta·P. Minnhagen·A. Naddeo·G. Niccoli
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Abstract

The issue of the number, nature and sequence of phase transitions in the fully frustrated XY (FFXY) model is a highly non trivial one due to the complex interplay between its continuous and discrete degrees of freedom. In this contribution we attack such a problem by means of a twisted conformal field theory (CFT) approach and show how it gives rise to the U (1)$\otimes Z_{2}$ symmetry and to the whole spectrum of excitations of the FFXY model.

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G. Cristofano, V. Marotta, P. Minnhagen, A. Naddeo, G. Niccoli. 2007-11-19. New Results on the Phase Diagram of the FFXY Model: A Twisted CFT Approach. https://doi.org/10.1142/9789812837271_0076

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