Dynamic critical exponent in quantum long-range models

被引：1
|
作者：
Benedetti, Dario [1 ]
Gurau, Razvan [2 ]
Lettera, Davide [2 ]
机构：
[1] Ecole Polytech, Inst Polytech Paris, CPHT, CNRS, F-91120 Palaiseau, France
[2] Heidelberg Univ, Inst Theoret Phys, Philosophenweg 19, D-69120 Heidelberg, Germany
来源：
PHYSICAL REVIEW B | 2024年 / 110卷 / 10期
基金：
欧洲研究理事会;
关键词：
CRITICAL-BEHAVIOR; EXPANSION; POINTS;
D O I：
10.1103/PhysRevB.110.104102
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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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页数：12
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