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Construct α′ corrected or loop corrected solutions without curvature singularities
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DOI：10.1007/JHEP01(2020)164.png)
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摘要
En 中文
For the bosonic gravi-dilaton system, we provide systematical approaches to construct non-perturbative string cosmological solutions without curvature singularities, which can match the perturbative solution to any order in alpha ' expansion. When higher order alpha ' corrections are calculated, they can be straightforwardly plugged in to generate compatible non-perturbative evolutions without curvature singularities. We also give a (phenomenological) map between alpha ' corrected EOM and loop corrected EOM. This map enables us to easily generate a loop corrected solution from an alpha ' corrected solution, and vice versa, therefore substantially enlarges the solution space.
Keyword:
Bosonic Strings
Nonperturbative Effects
Spacetime Singularities
String Duality
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IF:
5.5
论文数:
3.9W
被引数:
13.7W
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