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arXiv · 1912.03071

Isotropic Lifshitz Scaling in four dimensions

Dario Zappala
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Abstract

The presence of isotropic Lifshitz points for a O(N)-symmetric scalar theory is investigated with the help of the Functional Renormalization Group. In particular, at the supposed lower critical dimension d=4, evidence for a continuous line of fixed points is found for the O(2) theory, and the observed structure presents clear similarities with the properties observed in the 2-dimensional Berezinskii-Kosterlitz-Thouless phase.

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Dario Zappala. 2019-12-06. Isotropic Lifshitz Scaling in four dimensions. https://doi.org/10.1142/s021988782050053x

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