| Bianchi Type-Ⅲ String Cosmological Models with Time Dependent Bulk Viscosity |
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| 引用本文： | BALI Raj PRADHAN Anirudh. Bianchi Type-Ⅲ String Cosmological Models with Time Dependent Bulk Viscosity[J]. 中国物理快报, 2007, 24(2): 585-588 |
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| 作者姓名： | BALI Raj PRADHAN Anirudh |
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| 作者单位： | [1]Department of Mathematics, University of Rajasthan, Jaipur-302 004, India [2]Department＇of Mathematics, Hindu Post-Graduate College, Zamania-232 331, Ghazipur, India |
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| 摘 要： | Bianchi type-Ⅲ string cosmological models with bulk viscous fluid for massive string are investigated. To obtain the determinate model of the universe, we assume that the coeffcient of bulk viscosity ξ is inversely proportional to the expansion θ in the model and expansion θ in the model is proportional to the shear g. This leads to B =lC^n, where l and n are constants. Behaviour of the model in the presence and absence of bulk viscosity is discussed. The physical implications of the models are also discussed in detail.
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| 关 键 词： | 宇宙模型 时间 粘性流体 体积 |
| 收稿时间： | 2006-11-03 |
| 修稿时间： | 2006-11-03 |
Bianchi Type-III String Cosmological Models with Time Dependent Bulk Viscosity |
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| BALI Raj,PRADHAN Anirudh. Bianchi Type-III String Cosmological Models with Time Dependent Bulk Viscosity[J]. Chinese Physics Letters, 2007, 24(2): 585-588 |
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| Authors: | BALI Raj PRADHAN Anirudh |
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| Affiliation: | Department of Mathematics, University of Rajasthan, Jaipur-302 004, IndiaDepartment of Mathematics, Hindu Post-Graduate College, Zamania-232 331, Ghazipur, India |
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| Abstract: | |
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| Keywords: | 98.80.Cq 04.20.-q |
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