Fermionic CFTs at large charge and large N

被引：7

作者：

Dondi, Nicola ^{[1
]}

Hellerman, Simeon ^{[2
]}

Kalogerakis, Ioannis ^{[1
]}

Moser, Rafael ^{[1
]}

Orlandoc, Domenico ^{[1
,3
]}

Refferta, Susanne ^{[1
]}

机构：

[1] Univ Bern, Albert Einstein Ctr Fundamental Phys, Inst Theoret Phys, Sidlerstr 5, CH-3012 Bern, Switzerland

[2] Univ Tokyo, Kavli Inst Phys & Math Univ WPI, Kashiwa, Chiba 2778582, Japan

[3] CINFN Sez Torino, Via Pietro Giuria 1, I-10125 Turin, Italy

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2023年 / 2023卷 / 08期

基金：

日本学术振兴会;

关键词：

1/N Expansion; Conformal and W Symmetry; Effective Field Theories; Global Symmetries; DYNAMICAL MODEL; FIELD-THEORY; CONSERVATION; ANALOGY;

D O I：

10.1007/JHEP08(2023)180

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We study the large-charge sector of large-N fermionic cfts in three dimensions. Depending on the model and the nature of the fixed charge, we find two types of descriptions: in terms of a superfluid or a Fermi sphere. We explicitly compute the conformal dimensions of the lowest operator of fixed charge and in the superfluid case verify the eft predictions for the phonon spectrum.

引用

页数：39

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