| 具有可变整体粘滞系数的宇宙模型 |
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| 引用本文： | 陶必修 朱家强. 具有可变整体粘滞系数的宇宙模型[J]. 贵州科学, 1997, 15(4): 276-279 |
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| 作者姓名： | 陶必修 朱家强 |
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| 作者单位： | [1]贵州民族学院物理系 [2]贵州广州电视厅761台 |
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| 摘 要： | 研究具有开放热力学系统内涵和可变整体粘滞系数的Ｆｒｉｅｄｍａｎｎ宇宙模型的演化过程，获得一类非奇异性膨胀宇宙模型，展示了不变的粒子数密度和变化的膨胀速率。
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| 关 键 词： | 开放热力学系统 粘滞系数 宇宙模型 膨胀宇宙 |
Cosmological Models with a Variable Coefficient of Bulk Viscosity |
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| Tao Bixiu. Cosmological Models with a Variable Coefficient of Bulk Viscosity[J]. Guizhou Science, 1997, 15(4): 276-279 |
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| Authors: | Tao Bixiu |
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| Abstract: | With a variable coefficient of bulk viscosity, the evolution of the Friedmann models is investigated in the context of open thermodynamic systems. a new class of non-singular inflationary models of the universe is obtained, the models presented exhibit invariable particle number densities and variable speeds of expansion. |
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| Keywords: | Open thermodynamic system Variable coefficient of bulk viscosity Cosmological models |
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