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A wave-function for stringy universes
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DOI：10.1088/1126-6708/2007/08/018.png)
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摘要
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We define a wave-function for string theory cosmological backgrounds. We give a prescription for computing its norm following an earlier analysis within general relativity. Under Euclidean continuation, the cosmologies we discuss in this paper are described in terms of compact parafermionic worldsheet systems. To define the wavefunction we provide a T-fold description of the parafermionic conformal field theory, and of the corresponding string cosmology. In specific examples, we compute the norm of the wave-function and comment on its behavior as a function of moduli.
Keyword:
dS vacua in string theory
conformal field models in string theory
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期刊
IF:
5.5
论文数:
4.0W
被引数:
13.7W
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