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Irreversibility of the Renormalization Group Flow in Two Dimensional Quantum Gravity | | David Kutasov
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20 Jul 1992 | | Journal: | Mod.Phys.Lett. A7 (1992) 2943-2956 | | Subject: | hep-th | | Abstract: | We argue that the torus partition sum in $2d$ (super) gravity, which counts physical states in the theory, is a decreasing function of the renormalization group scale. As an application we chart the space of $(hat cleq1)$ $cleq1$ models coupled to (super) gravity, confirming and extending ideas due to A. Zamolodchikov, and discuss briefly string theory, where our results imply that the number of degrees of freedom decreases with time. | | Source: | arXiv, hep-th/9207064 | | Services: | Forum | Review | PDF | Favorites | |
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