Dilation condensates and loop effects in open and closed bosonic strings

Sumit R. Das; Soo Jong Rey

doi:10.1016/0370-2693(87)90303-0

Dilation condensates and loop effects in open and closed bosonic strings

Sumit R. Das, Soo Jong Rey

Producción científica: Article › revisión exhaustiva

49 Citas (Scopus)

Resumen

Consistent string propagation in general backgrounds requires conformal invariance. At the tree level, this requires Gell- Mann-Low β functions for the geometric couplings to vanish. We study the higher loop/hole effects on string amplitudes in a background spacetime in the context of oriented open and closed bosonic strings. We show that leading divergences can be made to cancel up to O(g⁰) (i.e., up to genus one) in string perturbations by a Fischler-Susskind-type mechanism. The consistent background depends on the gauge group chosen. This may lead to finite type-I superstring theories with gauge groups other than SO(32).

Idioma original	English
Páginas (desde-hasta)	328-338
Número de páginas	11
Publicación	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volumen	186
N.º	3-4
DOI	https://doi.org/10.1016/0370-2693(87)90303-0
Estado	Published - mar 12 1987

Nota bibliográfica

Funding Information:
~rWork supported in part by the US Department of Energy under Contract No. DEAC-03-8I -ER40050. KFAS Fellow. ~l Actuallyt his requirement leads to both the vertex operator condition and the beta-function conditions, as shown by Jain et al. \[6\].

Financiación

~rWork supported in part by the US Department of Energy under Contract No. DEAC-03-8I -ER40050. KFAS Fellow. ~l Actuallyt his requirement leads to both the vertex operator condition and the beta-function conditions, as shown by Jain et al. \[6\].

Financiadores	Número del financiador
Michigan State University-U.S. Department of Energy (MSU-DOE) Plant Research Laboratory	DEAC-03-8I -ER40050

ASJC Scopus subject areas

Nuclear and High Energy Physics

Acceder al documento

10.1016/0370-2693(87)90303-0

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abstract = "Consistent string propagation in general backgrounds requires conformal invariance. At the tree level, this requires Gell- Mann-Low β functions for the geometric couplings to vanish. We study the higher loop/hole effects on string amplitudes in a background spacetime in the context of oriented open and closed bosonic strings. We show that leading divergences can be made to cancel up to O(g0) (i.e., up to genus one) in string perturbations by a Fischler-Susskind-type mechanism. The consistent background depends on the gauge group chosen. This may lead to finite type-I superstring theories with gauge groups other than SO(32).",

author = "Das, \{Sumit R.\} and Rey, \{Soo Jong\}",

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AU - Rey, Soo Jong

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AB - Consistent string propagation in general backgrounds requires conformal invariance. At the tree level, this requires Gell- Mann-Low β functions for the geometric couplings to vanish. We study the higher loop/hole effects on string amplitudes in a background spacetime in the context of oriented open and closed bosonic strings. We show that leading divergences can be made to cancel up to O(g0) (i.e., up to genus one) in string perturbations by a Fischler-Susskind-type mechanism. The consistent background depends on the gauge group chosen. This may lead to finite type-I superstring theories with gauge groups other than SO(32).

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Dilation condensates and loop effects in open and closed bosonic strings

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