Phys. Rev. Lett. 103, 161602 (2009) [4 pages]Minimal Basis for Gauge Theory AmplitudesReceived 13 July 2009; published 16 October 2009 Identities based on monodromy for integrations in string theory are used to derive relations between different color-ordered tree-level amplitudes in both bosonic and supersymmetric string theory. These relations imply that the color-ordered tree-level n-point gauge theory amplitudes can be expanded in a minimal basis of (n-3)! amplitudes. This result holds for any choice of polarizations of the external states and in any number of dimensions. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.103.161602
DOI:
10.1103/PhysRevLett.103.161602
PACS:
11.25.Tq, 11.15.Bt, 11.55.Bq
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