Constraints on Tree-Level Higher Order Gravitational Couplings in Superstring Theory

We consider the scattering amplitudes of five and six gravitons at tree level in superstring theory. Their power series expansions in the Regge slope α' are analyzed through the order α'(8) showing some interesting constraints on higher order gravitational couplings in the effective supers...

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Vydáno v:	Physical review letters Ročník 106; číslo 11; s. 111601
Hlavní autor:	Stieberger, Stephan
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	United States 18.03.2011
Témata:	AMPLITUDES CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS COMPOSITE MODELS CONFORMAL INVARIANCE COUPLINGS ELEMENTARY PARTICLES EXTENDED PARTICLE MODEL FIELD THEORIES GRAVITATIONAL RADIATION GRAVITONS INVARIANCE PRINCIPLES M-THEORY MASSLESS PARTICLES MATHEMATICAL MODELS PARTICLE MODELS PHYSICS OF ELEMENTARY PARTICLES AND FIELDS POSTULATED PARTICLES POWER SERIES QUANTUM FIELD THEORY QUARK MODEL RADIATIONS SCATTERING AMPLITUDES SERIES EXPANSION SPACE-TIME STRING MODELS STRING THEORY SUPERSTRING MODELS SUPERSTRING THEORY WEIGHT
ISSN:	0031-9007, 1079-7114, 1079-7114
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