No forbidden landscape in string/M-theory
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Scale invariant but non-conformal field theories are forbidden in (1 + 1) dimension, and so should be the corresponding holographic dual gravity theories. We conjecture that such scale invariant but non-conformal field configurations do not exist in the string/M-theory. We provide a proof of this conjecture in the classical supergravity limit when the space-time is trivially fibered over the compact space. Our proof does also apply in higher dimensional scale invariant but non-conformal field configurations, which suggests that scale invariant but non-conformal field theories may be forbidden in higher dimensions as well.
KeywordsAdS-CFT Correspondence Models of Quantum Gravity Conformal and W Symmetry M-Theory
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