Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-03-28
JHEP 0706:042,2007
Physics
High Energy Physics
High Energy Physics - Theory
29 pages; v2 refs added; v3 typos fixed
Scientific paper
10.1088/1126-6708/2007/06/042
We perform a holographic renormalization of gravity duals to little string theories. In particular, we construct counterterms which yield a well-defined type II action for NS-sector linear dilaton backgrounds. Our methods are based on a similar recent construction in asymptotically flat spacetimes, and our work demonstrates in detail the parallels between asymptotically flat and linear dilaton boundary conditions. The counterterms guarantee that (i) the on-shell action is finite and (ii) asymptotically linear dilaton solutions are stationary points of the action under all boundary condition preserving variations. We use the resulting action to compute a boundary stress tensor and the associated conserved charges.
Marolf Donald
Virmani Amitabh
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