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One-point functions in defect CFT and integrability

de Leeuw, Marius ; Kristjansen, Charlotte ; Zarembo, Konstantin

The journal of high energy physics, 2015, Vol.2015 (8), p.1-26, Article 98 [Periódico revisado por pares]

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Título:
One-point functions in defect CFT and integrability
Autor: de Leeuw, Marius ; Kristjansen, Charlotte ; Zarembo, Konstantin
Assuntos: 1/N Expansion ; AdS-CFT Correspondence ; Bethe Ansatz ; Chains ; Classical and Quantum Gravitation ; Constraining ; Defects ; Determinants ; Elementary Particles ; Field theory ; Flux ; Lattice Integrable Models ; Mathematical analysis ; Operators ; Physics ; Physics and Astronomy ; Quantum Field Theories ; Quantum Field Theory ; Quantum Physics ; Regular Article - Theoretical Physics ; Relativity Theory ; String Theory
É parte de: The journal of high energy physics, 2015, Vol.2015 (8), p.1-26, Article 98
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: A bstract We calculate planar tree level one-point functions of non-protected operators in the defect conformal field theory dual to the D3-D5 brane system with k units of the world volume flux. Working in the operator basis of Bethe eigenstates of the Heisenberg XXX 1/2 spin chain we express the one-point functions as overlaps of these eigenstates with a matrix product state. For k = 2 we obtain a closed expression of determinant form for any number of excitations, and in the case of half-filling we find a relation with the Néel state. In addition, we present a number of results for the limiting case k → ∞.
Editor: Berlin/Heidelberg: Springer Berlin Heidelberg
Idioma: Inglês

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