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The low energy expansion of the one-loop type II superstring amplitude
The one-loop four-graviton amplitude in either of the type II superstring theories is expanded in powers of the external momenta up to and including terms of order s^4 log s R^4, where R^4 denotes a specific contraction of four linearized Weyl tensors and s is a Mandelstam invariant. Terms in this s...
Autores principales: | , |
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Lenguaje: | eng |
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1999
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Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.61.104011 http://cds.cern.ch/record/402737 |