K-essence with a Polynomial Equation of State

Details K-essence with a Polynomial Equation of State K-essence with a Polynomial Equation of State

Oct 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aipc.1396..186c&link_type=abstract

VIII WORKSHOP OF THE GRAVITATION AND MATHEMATICAL PHYSICS DIVISION OF THE MEXICAN PHYSICAL SOCIETY. AIP Conference Proceedings,

Mathematics

Mathematical Physics

Equations Of State, Cosmology, Symmetry Breaking, Lagrangian Field Theory, Thermodynamic Functions And Equations Of State, Origin And Formation Of The Universe, Spontaneous And Radiative Symmetry Breaking, Lagrangian And Hamiltonian Approach

Scientific paper

We investigate the physical properties of a purely kinetic k-essence model with polynomial type equation of state motivated in superconducting membranes. We compute the equation of state parameter w and discuss the physical evolution of a universe governed by the polynomial equation of state and, using the adiabatic speed of sound and energy density, we restrict the range of parameters of the model in order to have an acceptable physical behavior.

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