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Expanding and contracting universes in third quantized string cosmology

We discuss the possibility of quantum transitions from the string perturbative vacuum to cosmological configurations characterized by isotropic contraction and decreasing dilaton. When the dilaton potential preserves the sign of the Hubble factor throughout the evolution, such transitions can be rep...

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Detalles Bibliográficos
Autores principales: Buonanno, A., Gasperini, M., Maggiore, M., Ungarelli, C.
Lenguaje:eng
Publicado: 1997
Materias:
Acceso en línea:https://dx.doi.org/10.1088/0264-9381/14/5/005
http://cds.cern.ch/record/319106