期刊
LETTERS IN MATHEMATICAL PHYSICS
卷 74, 期 3, 页码 311-342出版社
SPRINGER
DOI: 10.1007/s11005-005-0022-x
关键词
topological string; mini-superspace; black hole; BPS state
We argue that the topological string partition function, which has been known to correspond to a wave-function, can be interpreted as an exact wave-function of the universe in the mini-superspace sector of physical superstring theory. This realizes the idea of Hartle and Hawking in the context of string theory, including all loop quantum corrections. The mini-superspace approximation is justified as an exact description of BPS quantities. Moreover this proposal leads to a conceptual explanation of the recent observation that the black hole entropy is the square of the topological string wave-function. This wave-function can be interpreted in the context of flux compactification of all spatial dimensions as providing a physical probability distribution on the moduli space of string compactification. Euclidean time is realized holographically in this setup.
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