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
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
收藏
页数:39
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