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Tachyons and perturbative unitarity

JACOBSON, T ; TSAMIS, N. C ; WOODARD, R. P

Phys. Rev. D; (United States), 1988-09, Vol.38 (6), p.1823-1834 [Periódico revisado por pares]

Ridge, NY: American Physical Society

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Título:
Tachyons and perturbative unitarity
Autor: JACOBSON, T ; TSAMIS, N. C ; WOODARD, R. P
Assuntos: 645204 - High Energy Physics- Particle Interactions & Properties-Theoretical- Strong Interactions & Properties ; 645400 - High Energy Physics- Field Theory ; BOSONS ; COMPOSITE MODELS ; ELEMENTARY PARTICLES ; Exact sciences and technology ; EXTENDED PARTICLE MODEL ; FIELD THEORIES ; General relativity and gravitation ; INTERACTIONS ; INVARIANCE PRINCIPLES ; LORENTZ INVARIANCE ; MATHEMATICAL MODELS ; MATRICES ; PARTICLE INTERACTIONS ; PARTICLE MODELS ; PERTURBATION THEORY ; PHI4-FIELD THEORY ; Physics ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; POSTULATED PARTICLES ; QUANTUM FIELD THEORY ; Quantum gravity ; QUARK MODEL ; S MATRIX ; STRING MODELS ; SUPERSYMMETRY ; SYMMETRY ; TACHYONS ; UNITARITY
É parte de: Phys. Rev. D; (United States), 1988-09, Vol.38 (6), p.1823-1834
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: The Cutkosky rules are generalized to include tachyons. A consequence is that Lorentz-invariant interacting theories which possess tachyons cannot obey even the weakest possible form of unitarity beyond the tree level. The problem (although not the cutting rules) is shown to extend to bosonic string theory. Thus unitarity cannot be used to determine the range of modular integration in bosonic string loop amplitudes.
Editor: Ridge, NY: American Physical Society
Idioma: Inglês

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Tachyons and perturbative unitarity

JACOBSON, T ; TSAMIS, N. C ; WOODARD, R. P

Ridge, NY: American Physical Society

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