Birth of hot big-bang era in pre-big bang string cosmology

Buonanno, Alessandra

doi:10.1142/9789812777386_0201

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Birth of hot big-bang era in pre-big bang string cosmology

Buonanno, A. (2002). Birth of hot big-bang era in pre-big bang string cosmology. In Proceedings of the Ninth Marcel Grossmann Meeting on General Relativity: MGIX (pp. 1231-1232). World Scientific.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-E2E9-C Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0019-E2ED-4

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Buonanno, Alessandra^{1, 2}, Author

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1Institut d’Astrophysique de Paris (CNRS), ou_persistent22
2Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290

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Abstract: We investigate the reheating process in pre-big-bang string cosmology estimating the amount of moduli and gravitinos produced gravitationally and in scattering processes of the thermal bath. We find that those abundances always exceed the limit imposed by big-bang nucleosynthesis and we point out various mechanisms which provide the entropy necessary to dilute those dangerous relics. This entropy production can be viewed as the birth of the hot big-bang era in pre-big-bang string cosmology.

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Dates: Date issued: 2002

Publication Status: Issued

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Identifiers: DOI: 10.1142/9789812777386_0201

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Title: Ninth Marcel Grossmann Meeting

Place of Event: The University of Rome ‘La Sapienza’

Start-/End Date: 2000-07-02 - 2000-07-08

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Title: Proceedings of the Ninth Marcel Grossmann Meeting on General Relativity: MGIX

Source Genre: Proceedings

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Publ. Info: World Scientific

Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 1231 - 1232 Identifier: -