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Paper detail

Stability analysis of two-fluid dark energy models

In this paper, we have studied the stability of the cosmological models with dark energy and combination of matter fields and dark energy in an anisotropic space time. The pressure anisotropy along the spatial directions are derived and its stability in each direction has been examined. The four models presented here, show its stability on certain spatial direction. The role of matter field on the stability analysis has been obtained. The positive and negative value of cosmic string completely changed the stability behaviour of the model. The presence of a magnetic field disturbs the stability aspects of the models at least in an early epoch.

preprint2021arXivOpen access
B. MishraFakhereh Md. EsmaeiliPratik P. RayS. K. Tripathy
gr-qchep-th
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B. MishraFakhereh Md. EsmaeiliPratik P. RayS. K. Tripathy

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