Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-10-19
Phys.Lett. B451 (1999) 53-59
Physics
High Energy Physics
High Energy Physics - Theory
10 pages, harvmac, no figure
Scientific paper
10.1016/S0370-2693(99)00193-8
We analyse the world-sheet perturbations of string theory formulated around $AdS_3$ background. We identify a set of operators that, while added to the world-sheet action, generate the boundary fluctuations of $AdS_3$. The effect of these operators can be collectively defined in terms of Liouville field living on the $AdS_3$ boundary. We then study various deformations of $AdS_3$ generated by boundary fluctuations by turning on suitable world-sheet couplings. We also discuss certain small fluctuations around the BTZ black hole.
Mukherji Sudipta
Panda Sudhakar
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