Open AccessOnℛ 4 N = 5,6
Author(s) -
Massimo Bianchi
Publication year - 2011
Publication title -
advances in high energy physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.59
H-Index - 49
eISSN - 1687-7365
pISSN - 1687-7357
DOI - 10.1155/2011/479038
Subject(s) - algorithm , physics , artificial intelligence , computer science
We compute one-loop threshold corrections to ℛ4 terms in N=5,6 supergravity vacua of Type II superstrings. We then discuss nonperturbative corrections generated by asymmetric D-brane instantons. Finally we derive generating functions for MHV amplitudes at tree level in N=5,6 supergravities
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