Dynamics of an Anisotropic Universe in $f(R,T)$ Theory - INSPIRE

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Dynamics of an Anisotropic Universe in $f(R,T)$ Theory

B. Mishra
(
- Birla Inst. Tech. Sci.
)
,
Sankarsan Tarai
(
- Birla Inst. Tech. Sci.
)
,
S.K. Tripathy
(
- Rourkela, NIT
)

Jun 28, 2016

8 pages

Published in:

Adv.High Energy Phys. 2016 (2016) 8543560

Published: 2016

e-Print:

1607.03382 [gr-qc]

DOI:

View in:

ADS Abstract Service

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Abstract: (HINDAWI)

Dynamics of an anisotropic universe is studied in gravity using a rescaled functional , where is the Ricci Scalar and is the trace of energy-momentum tensor. Three models have been constructed assuming a power law expansion of the universe. Physical features of the models are discussed. The model parameters are constrained from a dimensional analysis. It is found from the work that the anisotropic Bianchi type () model in the modified gravity generally favours a quintessence phase when the parameter is either or . We may not get viable models in conformity with the present day observation for .

Note:

16 pages, 4 figures

gravitation: model
analysis: dimensional
quintessence
anisotropy
Bianchi
phantom
fluid
f(R)

References(34)

Figures(4)

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