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Title: About non standard Lagrangians in cosmology
Authors: Dimitrijevic D.
Milosevic M.
Issue Date: 1-Dec-2012
Journal: AIP Conference Proceedings
Abstract: A review of non standard Lagrangians present in modern cosmological models will be considered. Well known example of non standard Lagrangian is Dirac-Born-Infeld (DBI) type Lagrangian for tachyon field. Another type of non standard Lagrangian under consideration contains scalar field which describes open p-adic string tachyon and is called p-adic string theory Lagrangian. We will investigate homogenous cases of both DBI and p-adic fields and obtain Lagrangians of the standard type which have the same equations of motions as aforementioned non standard one. © 2012 American Institute of Physics.
ISBN: 9780735410794
ISSN: 0094243X
DOI: 10.1063/1.4748066
Appears in Collections:Naučne i umetničke publikacije

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