Brane backreactions and the Fischler-Susskind mechanism in conformal field theory

Christoph A. Keller

doi:10.1088/1126-6708/2007/12/046

Brane backreactions and the Fischler-Susskind mechanism in conformal field theory

Christoph A. Keller

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

The backreaction of D-branes on closed string moduli is studied in perturbed conformal field theory. To this end we analyse the divergences in the modular integral of the annulus diagram. By the Fischler-Susskind mechanism, these divergences lead to additional terms in the bulk renormalisation group equations. We derive explicit expressions for these backreaction terms, and follow the resulting renormalisation group flow in several examples, finding agreement with geometric expectations.

Original language	English (US)
Article number	046
Journal	Journal of High Energy Physics
Volume	2007
Issue number	12
DOIs	https://doi.org/10.1088/1126-6708/2007/12/046
State	Published - Dec 1 2007
Externally published	Yes

Keywords

Conformal field models in string theory
D-branes
Renormalization group

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1088/1126-6708/2007/12/046

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abstract = "The backreaction of D-branes on closed string moduli is studied in perturbed conformal field theory. To this end we analyse the divergences in the modular integral of the annulus diagram. By the Fischler-Susskind mechanism, these divergences lead to additional terms in the bulk renormalisation group equations. We derive explicit expressions for these backreaction terms, and follow the resulting renormalisation group flow in several examples, finding agreement with geometric expectations.",

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N2 - The backreaction of D-branes on closed string moduli is studied in perturbed conformal field theory. To this end we analyse the divergences in the modular integral of the annulus diagram. By the Fischler-Susskind mechanism, these divergences lead to additional terms in the bulk renormalisation group equations. We derive explicit expressions for these backreaction terms, and follow the resulting renormalisation group flow in several examples, finding agreement with geometric expectations.

AB - The backreaction of D-branes on closed string moduli is studied in perturbed conformal field theory. To this end we analyse the divergences in the modular integral of the annulus diagram. By the Fischler-Susskind mechanism, these divergences lead to additional terms in the bulk renormalisation group equations. We derive explicit expressions for these backreaction terms, and follow the resulting renormalisation group flow in several examples, finding agreement with geometric expectations.

KW - Conformal field models in string theory

KW - D-branes

KW - Renormalization group

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JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 12

M1 - 046

ER -

Brane backreactions and the Fischler-Susskind mechanism in conformal field theory

Abstract

Keywords

ASJC Scopus subject areas

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