The overall coefficient of the two-loop superstring amplitude using pure spinors
Contribuinte(s) |
Universidade Estadual Paulista (UNESP) |
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Data(s) |
27/05/2014
27/05/2014
02/08/2010
|
Resumo |
Using the results recently obtained for computing integrals over (non-minimal) pure spinor superspace, we compute the coefficient of the massless two-loop four-point amplitude from first principles. Contrasting with the mathematical difficulties in the RNS formalism where unknown normalizations of chiral determinant formulæ force the two-loop coefficient to be determined only indirectly through factorization, the computation in the pure spinor formalism can be smoothly carried out. © SISSA 2010. |
Identificador |
http://dx.doi.org/10.1007/JHEP05(2010)017 Journal of High Energy Physics, v. 2010, n. 5, 2010. 1126-6708 1029-8479 http://hdl.handle.net/11449/71809 10.1007/JHEP05(2010)017 2-s2.0-77954977839 2-s2.0-77954977839.pdf |
Idioma(s) |
eng |
Relação |
Journal of High Energy Physics |
Direitos |
openAccess |
Palavras-Chave | #Superspaces #Superstrings and heterotic strings |
Tipo |
info:eu-repo/semantics/article |