Production of fermions in models of string cosmology

Authors
Brustein, R Hadad, M
Citation
R. Brustein et M. Hadad, Production of fermions in models of string cosmology, PHYS LETT B, 477(1-3), 2000, pp. 263-268
Citations number
22
Categorie Soggetti
Physics
Journal title
PHYSICS LETTERS B
ISSN journal
03702693 → ACNP
Volume
477
Issue
1-3
Year of publication
2000
Pages
263 - 268
Database
ISI
SICI code
0370-2693(20000323)477:1-3<263:POFIMO>2.0.ZU;2-4
Abstract
Production of spin 1/2 fermions and gravitinos by the standard mechanism of amplification of quantum fluctuations during the dilaton-driven inflation phase in models of string cosmology is highly suppressed. Constraints on st ring cosmology models from gravitational production of gravitinos, contrary to expectations, are similar to constraints on other models. (C) 2000 Publ ished by Elsevier Science B.V. All rights reserved.