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INTERNATIONAL JOURNAL OF SCIENTIFIC DEVELOPMENT AND RESEARCH
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ISSN Approved Journal No: 2455-2631 | Impact factor: 8.15 | ESTD Year: 2016
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Paper Title: LRS Bianchi Type- ii Cosmological Model With Barotropic Perfect Fluid In C-Field Theory With Time-Dependent Term - Λ
Authors Name: Preeti Kunwar Chundawat , Dr. Preeti Mehta
Unique Id: IJSDR2001024
Published In: Volume 5 Issue 1, January-2020
Abstract: We have studied the Hoyle – Narlikar C- field cosmology for LRS Bianchi type ii with time varying cosmological constant Ʌ(t) for barotropic perfect fluid distribution. To get deterministic solution we assume that Λ=1/R^2 as considered by Chen and Wu, where R is a scale factor and A = B where A and B are metric potentials. The conservation equation T_(i;j)^j=0 and T_j^i=T_i(m)^j+ T_i(c)^j, T_i(m)^jbeing energy-momentum tensor for matter and T_i(c)^jis the energy momentum tensor for C-field. We find that creation field (C) increase with time and Λ~1/t^2which matches with the result obtained by Hoyle Narlikar theory. Above we have discussed special cases of model (28) like dust filled universe (γ= 0), stiff fluid universe (γ = 1) and radiation dominated universe (γ = 1/3). The physical and geometrical aspects for this model are also studied.
Keywords: LRS Bianchi type ii, creation field, barotropic perfect fluid, cosmological term.
Cite Article: "LRS Bianchi Type- ii Cosmological Model With Barotropic Perfect Fluid In C-Field Theory With Time-Dependent Term - Λ", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.5, Issue 1, page no.140 - 146, January-2020, Available :http://www.ijsdr.org/papers/IJSDR2001024.pdf
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Publication Details: Published Paper ID: IJSDR2001024
Registration ID:191232
Published In: Volume 5 Issue 1, January-2020
DOI (Digital Object Identifier):
Page No: 140 - 146
Publisher: IJSDR | www.ijsdr.org
ISSN Number: 2455-2631

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