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arXiv · 2404.13963

Dynamic critical exponent in quantum long-range models

Dario Benedetti·Razvan Gurau·Davide Lettera
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Abstract

Quantum long-range models at zero temperature can be described by fractional Lifshitz field theories, that is, anisotropic models whose actions are short-range in time and long-range in space. In this paper we study the renormalization of fractional Lifshitz field theories with weakly relevant cubic or quartic self-interactions. Their nontrivial infrared fixed points exhibit Lifshitz scale invariance, and we compute the lowest-order corrections to the dynamic critical exponent.

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Dario Benedetti, Razvan Gurau, Davide Lettera. 2024-04-22. Dynamic critical exponent in quantum long-range models. https://doi.org/10.1103/physrevb.110.104102

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