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pro vyhledávání: '"Balfagon, Alberto C."'
Autor:
Balfagon, Alberto C.
Publikováno v:
Gen. Relativ. Gravit. (2015) 47:111 issue 10 - October 2015
Particle creation has been considered as a possible justification for the accelerated expansion of the universe, obeying the second law of thermodynamics, together with the possible existence of Dark Energy. This paper introduces the possibility that
Externí odkaz:
http://arxiv.org/abs/1503.04556
In this paper the coupling between dark energy and the other components of the cosmological fluid has been studied. Firstly, it will be shown that the application of general cosmological equations, deduced by the authors in a previous work, to the kn
Externí odkaz:
http://arxiv.org/abs/1006.0110
Publikováno v:
JCAP 0910:028,2009
In this paper we study a model of cosmic evolution, assuming that the different components of the universe could interact between them any time. An effective equation of state (EOS) for the universe has been used as well. A particular function for w,
Externí odkaz:
http://arxiv.org/abs/0907.1171
Autor:
Balfagon, Alberto C.
We show a tensorial-computational way to find out conditions that must fulfil an m-rank tensor in arbitrary dimension in order to be algebraically the energy-momentum tensor of some field. We apply in this paper our method to three 2-rank tensors: el
Externí odkaz:
http://arxiv.org/abs/0709.1041