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Critical O(N) models in 6-epsilon dimensions

Author(s): Fei, Lin; Giombi, Simone; Klebanov, Igor R

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dc.contributor.authorFei, Lin-
dc.contributor.authorGiombi, Simone-
dc.contributor.authorKlebanov, Igor R-
dc.date.accessioned2017-11-21T19:41:19Z-
dc.date.available2017-11-21T19:41:19Z-
dc.date.issued2014-07-15en_US
dc.identifier.citationFei, Lin, Giombi, Simone, Klebanov, Igor R. (2014). Critical O(N) models in 6-epsilon dimensions. PHYSICAL REVIEW D, 90 (10.1103/PhysRevD.90.025018en_US
dc.identifier.issn2470-0010-
dc.identifier.urihttp://arks.princeton.edu/ark:/88435/pr1w94r-
dc.description.abstractWe revisit the classic O(N) symmetric scalar field theories in d dimensions with interaction (phi(i)phi(i))(2). For 2 < d < 4 these theories flow to the Wilson-Fisher fixed points for any N. A standard large N Hubbard-Stratonovich approach also indicates that, for 4 < d < 6, these theories possess unitary UV fixed points. We propose their alternate description in terms of a theory of N + 1 massless scalars with the cubic interactions sigma phi(i)phi(i) and sigma(3). Our one-loop calculation in 6 - epsilon dimensions shows that this theory has an IR stable fixed point at real values of the coupling constants for N > 1038. We show that the 1/N expansions of various operator scaling dimensions match the known results for the critical O(N) theory continued to d = 6 - epsilon. These results suggest that, for sufficiently large N, there are 5-dimensional unitary O(N) symmetric interacting conformal field theories (CFTs); they should be dual to the Vasiliev higher-spin theory in AdS(6) with alternate boundary conditions for the bulk scalar. Using these CFTs we provide a new test of the 5-dimensional F theorem, and also find a new counterexample for the C-T theorem.en_US
dc.language.isoenen_US
dc.relation.ispartofPHYSICAL REVIEW Den_US
dc.rightsFinal published version. This is an open access article.en_US
dc.titleCritical O(N) models in 6-epsilon dimensionsen_US
dc.typeJournal Articleen_US
dc.identifier.doidoi:10.1103/PhysRevD.90.025018-
dc.date.eissued2014-07-14en_US
dc.identifier.eissn2470-0029-
pu.type.symplectichttp://www.symplectic.co.uk/publications/atom-terms/1.0/journal-articleen_US

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