Three-Point Function in Perturbed Liouville Gravity

Details Three-Point Function in Perturbed Liouville Gravity Three-Point Function in Perturbed Liouville Gravity

2006-02-10

arxiv.org/abs/hep-th/0602109v2

Phys.Lett.B637:192-198,2006

Physics

High Energy Physics

High Energy Physics - Theory

12 pages; no figures. Discussion added. Version to appear in Phys.Lett.B

Scientific paper

10.1016/j.physletb.2006.04.022

Three-point correlation function in perturbed conformal field theory coupled to two-dimensional quantum gravity (perturbed Liouville gravity) is explicitly computed by using the free field approach. The representation considered here is the one recently proposed in hep-th/0511252 to describe the string theory in AdS_3 space. Consequently, this computation extends previous results which presented free field calculations of particular cases of string amplitudes, and confirms that the free field approach leads to the exact result. Remarkably, this representation allows to compute winding violating three-point functions without making use of the spectral flow operator.

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