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Dynamical vacuum energy, holographic quintom, and the reconstruction of scalar-field dark energy
文献类型：期刊论文
| 作者 | Zhang, Xin; Zhang, X , CCAST World Lab, POB 8730, Beijing 100080, Peoples R China |
| 刊名 | PHYSICAL REVIEW D
 |
| 出版日期 | 2006 |
| 卷号 | 74期号:10页码:- |
| 关键词 | Equation-of-state Digital Sky Survey Cosmological Constant Black-holes Accelerating Universe Cosmic Coincidence Entropy Bounds Model Constraints Supernova |
| ISSN号 | 1550-7998 |
| 英文摘要 | When taking the holographic principle into account, the vacuum energy will acquire dynamical property that its equation of state is evolving. The current available observational data imply that the holographic vacuum energy behaves as quintom-type dark energy. We adopt the viewpoint of that the scalar-field models of dark energy are effective theories of an underlying theory of dark energy. If we regard the scalar-field model as an effective description of such a holographic vacuum theory, we should be capable of using the scalar-field model to mimic the evolving behavior of the dynamical vacuum energy and reconstructing this scalar-field model according to the fits of the observational dataset. We find the generalized ghost condensate model is a good choice for depicting the holographic vacuum energy since it can easily realize the quintom behavior. We thus reconstruct the function h(phi) of the generalized ghost condensate model using the best-fit results of the observational data. |
| 学科主题 | Physics |
| URL标识 | 查看原文 |
| WOS记录号 | WOS:000242409800013 |
| 公开日期 | 2012-08-02 |
| 源URL | [http://ir.itp.ac.cn/handle/311006/5866]  |
| 专题 | 理论物理研究所_理论物理所1978-2010年知识产出 |
| 通讯作者 | Zhang, X , CCAST World Lab, POB 8730, Beijing 100080, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Xin,Zhang, X , CCAST World Lab, POB 8730, Beijing 100080, Peoples R China. Dynamical vacuum energy, holographic quintom, and the reconstruction of scalar-field dark energy[J]. PHYSICAL REVIEW D,2006,74(10):-. |
| APA | Zhang, Xin,&Zhang, X , CCAST World Lab, POB 8730, Beijing 100080, Peoples R China.(2006).Dynamical vacuum energy, holographic quintom, and the reconstruction of scalar-field dark energy.PHYSICAL REVIEW D,74(10),-. |
| MLA | Zhang, Xin,et al."Dynamical vacuum energy, holographic quintom, and the reconstruction of scalar-field dark energy".PHYSICAL REVIEW D 74.10(2006):-. |
入库方式： OAI收割
来源：理论物理研究所
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