Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/6355
Title: Is it possible to obtain cosmic accelerated expansion through energy transfer between different energy densities?
Authors: Erdem, Recai
Erdem, Recai
Izmir Institute of Technology. Physics
Keywords: Dark energy
Accelerated cosmic expansion
Issue Date: Mar-2017
Publisher: Elsevier Ltd.
Source: Erdem, R. (2017). Is it possible to obtain cosmic accelerated expansion through energy transfer between different energy densities? Physics of the Dark Universe, 15, 57-71. doi:10.1016/j.dark.2016.12.001
Abstract: The equation of state of an energy density may be significantly modified by coupling it to another energy density. In the light of this observation we check the possibility of producing cosmic accelerated expansion in this way. In particular we consider the case where matter is converted to radiation (or vice versa by particle physics processes). We find that cosmic accelerated expansion can be obtained in this way only if an intermediate state with negative equation of state forms during the conversion.
URI: http://doi.org/10.1016/j.dark.2016.12.001
http://hdl.handle.net/11147/6355
ISSN: 2212-6864
Appears in Collections:Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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