A simple expression for the multiloop amplitude in the bosonic string

P. Di Vecchia; M. Frau; A. Lerda; S. Sciuto

doi:10.1016/0370-2693(87)91462-6

A simple expression for the multiloop amplitude in the bosonic string

P. Di Vecchia
, M. Frau
, A. Lerda
, S. Sciuto

Risultato della ricerca: Contributo su rivista › Articolo in rivista › peer review

Abstract

Using the previously constructed new N-string vertex and BRST invariant twisted propagator we obtain a simple and explicit expression for the multiloop partition function of the bosonic string. We construct also the two-loop amplitude with N external tachyons and give the recipe for writing the amplitude at any perturbative order.

Lingua originale	Inglese
pagine (da-a)	49-56
Numero di pagine	8
Rivista	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	199
Numero di pubblicazione	1
DOI	https://doi.org/10.1016/0370-2693(87)91462-6
Stato di pubblicazione	Pubblicato - 10 dic 1987
Pubblicato esternamente	Sì

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10.1016/0370-2693(87)91462-6

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title = "A simple expression for the multiloop amplitude in the bosonic string",

abstract = "Using the previously constructed new N-string vertex and BRST invariant twisted propagator we obtain a simple and explicit expression for the multiloop partition function of the bosonic string. We construct also the two-loop amplitude with N external tachyons and give the recipe for writing the amplitude at any perturbative order.",

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AU - Di Vecchia, P.

AU - Frau, M.

AU - Lerda, A.

AU - Sciuto, S.

PY - 1987/12/10

Y1 - 1987/12/10

N2 - Using the previously constructed new N-string vertex and BRST invariant twisted propagator we obtain a simple and explicit expression for the multiloop partition function of the bosonic string. We construct also the two-loop amplitude with N external tachyons and give the recipe for writing the amplitude at any perturbative order.

AB - Using the previously constructed new N-string vertex and BRST invariant twisted propagator we obtain a simple and explicit expression for the multiloop partition function of the bosonic string. We construct also the two-loop amplitude with N external tachyons and give the recipe for writing the amplitude at any perturbative order.

UR - https://www.scopus.com/pages/publications/0001806811

U2 - 10.1016/0370-2693(87)91462-6

DO - 10.1016/0370-2693(87)91462-6

M3 - Article

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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 1

ER -

A simple expression for the multiloop amplitude in the bosonic string

Abstract

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