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pro vyhledávání: '"Hoare B"'
Autor:
Hoare, B., Lacroix, S.
A large class of integrable deformations of the Principal Chiral Model, known as the Yang-Baxter deformations, are governed by skew-symmetric R-matrices solving the (modified) classical Yang-Baxter equation. We carry out a systematic investigation of
Externí odkaz:
http://arxiv.org/abs/2009.00341
Autor:
Hoare, B., Tseytlin, A. A.
We propose that the Yang-Baxter deformation of the symmetric space sigma-model parameterized by an r-matrix solving the homogeneous (classical) Yang-Baxter equation is equivalent to the non-abelian dual of the undeformed model with respect to a subgr
Externí odkaz:
http://arxiv.org/abs/1609.02550
Scale invariance of the eta-deformed AdS5 x S5 superstring, T-duality and modified type II equations
We consider the ABF background underlying the eta-deformed AdS5 x S5 sigma model. This background fails to satisfy the standard IIB supergravity equations which indicates that the corresponding sigma model is not Weyl invariant, i.e. does not define
Externí odkaz:
http://arxiv.org/abs/1511.05795
Autor:
Hoare, B., Tseytlin, A. A.
We find an exact type IIB supergravity solution that represents a one-parameter deformation of the T-dual of the AdS_5 x S^5 background (with T-duality applied in all 6 abelian bosonic isometric directions). The non-trivial fields are the metric, dil
Externí odkaz:
http://arxiv.org/abs/1508.01150
Autor:
Hoare, B., Tseytlin, A. A.
We consider two integrable deformations of 2d sigma models on supercosets associated with AdS_n x S^n. The first, the "eta-deformation" (based on the Yang-Baxter sigma model), is a one-parameter generalization of the standard superstring action on Ad
Externí odkaz:
http://arxiv.org/abs/1504.07213
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We study the deformed AdS_5 x S^5 supercoset model of arXiv:1309.5850 which depends on one parameter kappa and has classical quantum group symmetry. We confirm the conjecture that in the "maximal" deformation limit kappa -> infinity this model is T-d
Externí odkaz:
http://arxiv.org/abs/1403.5517
We address the question about the exact form of the dispersion relation for light-cone string excitations in string theory in AdS3 x S3 x T4 with mixed R-R and NS-NS 3-form fluxes. The analogy with string theory in AdS5 x S5 suggests that in addition
Externí odkaz:
http://arxiv.org/abs/1311.1794
Autor:
Hoare, B., Tseytlin, A. A.
The type IIB supergravity AdS_3 x S^3 x T^4 background with mixed RR and NSNS 3-form fluxes is a near-horizon limit of a non-threshold bound state of D5-D1 and NS5-NS1 branes. The corresponding superstring world-sheet theory is expected to be integra
Externí odkaz:
http://arxiv.org/abs/1304.4099
Autor:
Hoare, B., Tseytlin, A. A.
We consider superstring theory on AdS_3 x S^3 x T^4 supported by a combination of RR and NSNS 3-form fluxes (with parameter of the NSNS 3-form q). This theory interpolates between the pure RR flux model (q=0) whose spectrum is expected to be describe
Externí odkaz:
http://arxiv.org/abs/1303.1037