期刊
NUCLEAR PHYSICS B
卷 702, 期 1-2, 页码 269-306出版社
ELSEVIER
DOI: 10.1016/j.nuclphysb.2004.09.024
关键词
pure spinors; super-particle; eleven dimensions
We generalize to the eleven-dimensional superparticle Berkovits' prescription for loop computations in the pure spinor approach to covariant quantization of the superstring. Using these ten- and eleven-dimensional results, we compute covariantly the following one-loop amplitudes: C Lambda X-8 in M-theory; B A X8 in type II string theory and F-4 in type I. We also verify the consistency of the formalism in eleven dimensions by recovering the correct classical action from tree-level amplitudes. As the superparticle is only a first approximation to the supermembrane, we comment on the possibility of extending this construction to the latter. Finally, we elaborate on the relationship between the present BRST language and the spinorial cohomology approach to corrections of the effective action. (C) 2004 Elsevier B.V. All rights reserved.
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