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Paper IPM / Physic / 15808

School of Physics
Title:	Warped Schwarzian theory
Author(s):	H.R. Afshar
Status:	Preprint
Journal:
Year:	2019
Supported by:	IPM

Abstract:

We consider the (twisted) warped Virasoro group Diff(S¹)\ltimes C^∞(S¹) in the presence of its three cocycles. We compute the Kirillov-Kostant-Souriau symplectic 2-form on coadjoint orbits. We then construct the Euclidean action of the `warped Schwarzian theory' associated to the orbit with SL(2,\mathbbR)×U(1) stabilizer as the effective theory of the reparametrization over the base circle and evaluate the corresponding one-loop-exact path integral.

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