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What is in the black box of dark energy: variable cosmological parameters or multiple (interacting) components? (CROSBI ID 524137)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Štefančić, Hrvoje What is in the black box of dark energy: variable cosmological parameters or multiple (interacting) components?. 2006

Podaci o odgovornosti

Štefančić, Hrvoje

engleski

What is in the black box of dark energy: variable cosmological parameters or multiple (interacting) components?

The unknown nature of dark energy reflects itself in a number of puzzling properties of the present Universe, comprising the coincidence problem of the presently comparable energy densities of nonrelativistic matter and dark energy and the peculiarities of the possible evolution of the dark energy equation of state. A solution of these problems can be sought by considering dark energy as an effective description of alternative cosmological models. An effective dark energy behavior of the cosmological models with variable parameters as well as the composite models of dark energy is presented. Implications of these cosmological problems to the coincidence problem and a possible cosmological constant boundary crossing are discussed.

dark energy; cosmological parameters

pozvano predavanje (paralel session)

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

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Podaci o prilogu

2006.

nije evidentirano

objavljeno

Podaci o matičnoj publikaciji

Podaci o skupu

2nd International Conference on Quantum Theories and Renormalization Group in Gravity and Cosmology

pozvano predavanje

11.07.2006-15.07.2006

Barcelona, Španjolska

Povezanost rada

Fizika