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Universe with Time Dependent Deceleration Parameter and Λ Term in General Relativity

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Abstract

A new class of exact solutions of Einstein's field equations with perfect fluid for an LRS Bianchi type-I spacetime is obtained by using a time dependent deceleration parameter. We have obtained a general solution of the field equations from which three models of the universe are derived: exponential, polynomial and sinusoidal form respectively. The behaviour of these models of the universe are also discussed in the frame of reference of recent supernovae Ia observations.

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Authors and Affiliations

  1. Department of Mathematics, Hindu Post-graduate College, Zamania-232 331, Ghazipur, U.P., India

    Anirudh Pradhan

  2. Department of Physics, Yasouj University, Yasouj, Iran

    Saeed Otarod

Authors
  1. Anirudh Pradhan
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  2. Saeed Otarod
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Correspondence to Anirudh Pradhan.

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Pradhan, A., Otarod, S. Universe with Time Dependent Deceleration Parameter and Λ Term in General Relativity. Astrophys Space Sci 306, 11–16 (2006). https://doi.org/10.1007/s10509-006-9178-9

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  • DOI: https://doi.org/10.1007/s10509-006-9178-9

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