Exact renormalization flow and domain walls from holography

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The holographic correspondence between 2d, N=2 quantum field theories and classical 4d, N=2 supergravity coupled to hypermultiplet matter is proposed. The geometrical constraints on the target space of the 4d, N=2 non-linear sigma-models in N=2 supergravity background are interpreted as the exact renormalization group flow equations in two dimensions. Our geometrical description of the renormalization flow is manifestly covariant under general reparametrization of the 2d coupling constants. An explicit exact solution to the 2d renormalization flow, based on its dual holographic description in terms of the Zamolodchikov metric, is considered in the particular case of the four-dimensional NLSM target space described by the SU(2)-invariant (Weyl) anti-self-dual Einstein metrics. The exact regular (Tod-Hitchin) solutions to these metrics are governed by the Painlevé VI equation, and describe domain walls.

Original languageEnglish
Pages (from-to)245-262
Number of pages18
JournalNuclear Physics B
Volume597
Issue number1-3
DOIs
Publication statusPublished - 12 Mar 2001

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wall flow
supergravity
holography
domain wall
flow equations

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Exact renormalization flow and domain walls from holography. / Ketov, Sergei V.

In: Nuclear Physics B, Vol. 597, No. 1-3, 12.03.2001, p. 245-262.

Research output: Contribution to journalArticle

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