Cosmological Implications of an Anomalous U(1): Inflation, Cosmic Strings and Constraints on Superstring Parameters

Casas, J.A.; Moreno, J.M.; Munoz, C.; Quiros, M.

doi:10.1016/0550-3213(89)90104-1

Cosmological Implications of an Anomalous U(1): Inflation, Cosmic Strings and Constraints on Superstring Parameters

J.A. Casas
(
- Santiago de Compostela U.
)
,
J.M. Moreno
(
- Madrid, Inst. Estructura Materia
)
,
C. Munoz
(
- Oxford U.
)
,
M. Quiros
(
- Madrid, Inst. Estructura Materia
)

Dec, 1988

20 pages

Published in:

Nucl.Phys.B 328 (1989) 272-291

Published: 1989

DOI:

10.1016/0550-3213(89)90104-1

Report number:

IEM-FT-1-88,
OUTP-89-03-P,
US-FT-1-89

reference search64 citations

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Abstract: (Elsevier)

A string-loop generated Fayet-Iliopoulos term can trigger, in four-dimensional superstring models with an anomalous U(1), the presence of global and local cosmic strings and, depending on the values of the string parameters M s (string scale) and M c (compactification scale), a period of inflationary expansion of the universe. The observational effects of inflation (density inhomogeneities) and cosmic strings (gravitational radiation, etc.) put severe bounds on the values of M s and M c .

astrophysics: string
string model: supersymmetry
anomaly: U(1)
inflation
MODEL: INFLATION

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