| 膜上反弹模型的奇异性 |
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| 引用本文： | 冯志华,徐立昕.膜上反弹模型的奇异性[J].大连铁道学院学报,2006,27(2):1-4. |
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| 作者姓名： | 冯志华 徐立昕 |
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| 作者单位： | 大连交通大学数理系 辽宁大连116028(冯志华)，大连理工大学物理系 辽宁大连116023(徐立昕) |
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| 摘 要： | 研究膜上反弹模型的奇异性.与标准的大爆炸模型相对,该反弹奇异性对应于一个事件视界,此时标度因子和宇宙的物质密度是有限的,然而压强经历了一个从-∞~ ∞的一个转换.通过在两个膜上的坐标变换表明在反弹点以前的宇宙是暴缩的,并且根据原时宇宙已经存在了无限长时间.
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| 关 键 词： | 膜模型 反弹 宇宙学 奇异性 |
| 文章编号： | 1000-1670（2006）02-0001-04 |
| 收稿时间： | 2005-12-07 |
Singularity of Big Bounce Model in the Brane World |
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| FENG Zhi-hua, XU Li-xin.Singularity of Big Bounce Model in the Brane World[J].Journal of Dalian Railway Institute,2006,27(2):1-4. |
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| Authors: | FENG Zhi-hua XU Li-xin |
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| Abstract: | The singularity of big bounce model in the brane world is studied.Contrary to the standard big bang space-time singularity,these big bounce singularities are found to be event horizons at which the scale factors and the mass densities of the universe are finite,while the pressures undergo a sudden transition from negative to positive infinities.By using coordinate transformation on the two branes,it is also shown that before the bounce the universe contracts deflationary,the universe has existed according to the propertime,for an infinitely long time. |
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| Keywords: | brane model bounce cosmology sigularity |
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