Symmetry Breaking, Central Charges and the AdS_2/CFT_1 Correspondence

Details Symmetry Breaking, Central Charges and the AdS_2/CFT_1 Correspondence Symmetry Breaking, Central Charges and the AdS_2/CFT_1 Correspondence

2000-02-29

arxiv.org/abs/hep-th/0002256v3

Phys.Lett. B490 (2000) 131-135

Physics

High Energy Physics

High Energy Physics - Theory

version 3, some points have been clarified

Scientific paper

10.1016/S0370-2693(00)00982-5

When two-dimensional Anti-de Sitter space (AdS_2) is endowed with a non-constant dilaton the origin of the central charge in the Virasoro algebra generating the asymptotic symmetries of AdS_2 can be traced back to the breaking of the SL(2,R) isometry group of AdS_2. We use this fact to clarify some controversial results appeared in the literature about the value of the central charge in these models.

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