Loop Effects in AdS/CFT and Beyond

Steven S. Gubser

Research output: Contribution to journalArticle

2 Scopus citations

Abstract

Double-trace operators which are relevant deformations of large N conformal field theories give rise to renormalization group flows that can be studied on both sides of the AdS/CFT duality. One-loop calculations in AdS can be compared successfully to results derived in field theory using the Hubbard-Stratonovich transformation. The calculations do not rely on supersymmetry, and they apply in any dimension, provided the original conformal field theory and its AdS dual are well-defined. A speculative idea is proposed for solving the cosmological constant problem based on non-gravitational strings that become light as the universe expands. This is a summary of my talk presented at the Nishinomiya-Yukawa Symposium in Nishinomiya, Japan. It is based primarily on [S. S. Gubser and I. Mitra, hep-th/0210093; S. S. Gubser and I. R. Klebanov, hep-th/0212138].

Original languageEnglish (US)
Pages (from-to)30-44
Number of pages15
JournalProgress of Theoretical Physics Supplement
Volume152
DOIs
StatePublished - Jan 1 2004

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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