✦ LIBER ✦

Higher order conformal perturbation theory

✍ Scribed by C. Schmidt-Colinet

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 161 KB
Volume: 57
Category: Article
ISSN: 0015-8208
DOI: 10.1002/prop.200900036

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✦ Synopsis

Abstract

We consider a string stretched between two diagonal branes on a bosonic torus under a perturbation of one of the radii. In the world‐sheet description, this corresponds to a perturbation of a conformal field theory with two boundary components. A term in the second order boundary RG equations is related to the change of conformal dimension of the boundary changing operator.

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