Accidents in (0,2) Landau-Ginzburg theories

被引：20

作者：

Bertolini, Marco ^{[1
,2
]}

Melnikov, Ilarion V. ^{[3
]}

Plesser, M. Ronen ^{[1
]}

机构：

[1] Duke Univ, Ctr Geometry & Theoret Phys, Durham, NC 27708 USA

[2] Univ Calif Santa Barbara, Kavli Inst Theoret Phys, Santa Barbara, CA 93106 USA

[3] Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2014年 / 12期

基金：

美国国家科学基金会;

关键词：

Field Theories in Lower Dimensions; Superstrings and Heterotic Strings; QUANTUM-FIELD THEORY; CONFORMAL-INVARIANCE; STRING THEORY; D-TERMS; SYMMETRY; CLASSIFICATION; GEOMETRY; MODELS;

D O I：

10.1007/JHEP12(2014)157

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 role of accidental symmetries in two-dimensional (0,2) superconformal field theories obtained by RG flow from (0,2) Landau-Ginzburg theories. These accidental symmetries are ubiquitous, and, unlike in the case of (2,2) theories, their identification is key to correctly identifying the IR fixed point and its properties. We develop a number of tools that help to identify such accidental symmetries in the context of (0,2) Landau-Ginzburg models and provide a conjecture for a toric structure of the SCFT moduli space in a large class of models. We also give a self-contained discussion of aspects of (0,2) conformal perturbation theory.

引用

页数：35

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