Accidents in (0,2) Landau-Ginzburg theories

被引：0
作者：
Marco Bertolini
Ilarion V. Melnikov
M. Ronen Plesser
机构：
[1] Duke University,Center for Geometry and Theoretical Physics, Box 90318
[2] University of California,Kavli Institute for Theoretical Physics
[3] Texas A&M University,George P. and Cynthia W. Mitchell Institute for Fundamental Physics and Astronomy
来源：
Journal of High Energy Physics | / 2014卷
关键词：
Field Theories in Lower Dimensions; Superstrings and Heterotic Strings;
D O I：
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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.
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