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Journal Article

#### Target Spaces from Chiral Gauge Theories

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##### Fulltext (public)

1212.1212

(Preprint), 2MB

JHEP2013_02_111.pdf

(Any fulltext), 2MB

##### Supplementary Material (public)

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##### Citation

Melnikov, I. V., Quigley, C., Sethi, S., & Stern, M. (2013). Target Spaces from
Chiral Gauge Theories.* Journal of high energy physics: JHEP,* *2013*(2):
111. doi:10.1007/JHEP02(2013)111.

Cite as: http://hdl.handle.net/11858/00-001M-0000-000E-74BA-7

##### Abstract

Chiral gauge theories in two dimensions with (0,2) supersymmetry are central
in the study of string compactifications. Remarkably little is known about
generic (0,2) theories. We consider theories with branches on which multiplets
with a net gauge anomaly become massive. The simplest example is a relevant
perturbation of the gauge theory that flows to the CP(n) model. To compute the
effective action, we derive a useful set of Feynman rules for (0,2)
supergraphs. From the effective action, we see that the infra-red geometry
reflects the gauge anomaly by the presence of a boundary at finite distance. In
generic examples, there are boundaries, fluxes and branes; the resulting spaces
are non-Kahler.