Bianchi type-V cosmological model with perfect fluid using negative constant deceleration parameter in a scalar tensor theory based on Lyra Manifold

An exact Bianchi type-V perfect fluid cosmological model is obtained in a scalar tensor theory proposed by Sen (Z. Phys. 149:311, 1957 ) based on Lyra Manifold in case of β is a constant and it is shown that this cosmological model exists only in the case of Radiation Universe ( ρ =3 p ) if β is a f...

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Veröffentlicht in:	Astrophysics and space science 2008-04, Vol.314 (1-3), p.213-216
Hauptverfasser:	Rao, V. U. M., Vinutha, T., Vijaya Santhi, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrobiology Astronomy Astrophysics Astrophysics and Astroparticles Cosmology Observations and Techniques Original Article Physics Physics and Astronomy Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics
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Zusammenfassung:	An exact Bianchi type-V perfect fluid cosmological model is obtained in a scalar tensor theory proposed by Sen (Z. Phys. 149:311, 1957 ) based on Lyra Manifold in case of β is a constant and it is shown that this cosmological model exists only in the case of Radiation Universe ( ρ =3 p ) if β is a function of ‘ t ’ using negative constant deceleration parameter. Some physical and geometrical properties of these models are discussed.
ISSN:	0004-640X 1572-946X
DOI:	10.1007/s10509-008-9757-z