Flat space holography in spin-2 extended dilaton-gravity
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Abstract We present an interacting spin-2 gauge theory coupled to the two-dimensional dilaton-gravity in flat spacetime. The asymptotic symmetry group is enhanced to the central extension of Diff(S1)⋉C∞(S1)⋉Vec(S1) when the central element of the Heisenberg subgroup is zero (vanishing U(1) level). Using the BF-formulation of the model we derive the corresponding boundary coadjoint action which is the spin-2 extension of the warped Schwarzian theory at vanishing U(1) level. We also discuss the thermodynamics of black holes in this model.
2005 ◽
Vol 20
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pp. 2919-2924
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1994 ◽
Vol 09
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pp. 4811-4835
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2008 ◽
Vol 663
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pp. 342-350
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1995 ◽
Vol 10
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pp. 367-378
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2011 ◽
Vol 20
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pp. 2525-2542
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