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Title: Marginal deformations of 3d supersymmetric U(N) model and broken higher spin symmetry
Authors: Hikida, Yasuaki  kyouindb  KAKEN_id
Wada, Taiki
Author's alias: 疋田, 泰章
Keywords: AdS-CFT Correspondence
Conformal Field Theory
Higher Spin Gravity
Issue Date: Mar-2017
Publisher: Springer Berlin Heidelberg
Journal title: Journal of High Energy Physics
Volume: 2017
Thesis number: 47
Abstract: We examine the marginal deformations of double-trace type in 3d supersymmetric U(N) model with N complex free bosons and fermions. We compute the anomalous dimensions of higher spin currents to the 1/N order but to all orders in the deformation parameters by mainly applying the conformal perturbation theory. The 3d field theory is supposed to be dual to 4d supersymmetric Vasiliev theory, and the marginal deformations are argued to correspond to modifying boundary conditions for bulk scalars and fermions. Thus the modification should break higher spin gauge symmetry and generate the massesof higher spin fields. We provide supports for the dual interpretation by relating bulk computation in terms of Witten diagrams to boundary one in conformal perturbation theory.
Rights: © The Author(s) 2017
JHEP is an open-access journal funded by SCOAP3 and licensed under CC BY 4.0
URI: http://hdl.handle.net/2433/226306
DOI(Published Version): 10.1007/JHEP03(2017)047
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