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题名: Cosmology with a variable Chaplygin gas
作者: 郭宗宽 ;  Zhang, Yuan-Zhong
刊名: PHYSICS LETTERS B
出版日期: 2007
卷号: 645, 期号:4, 页码:326-329
关键词: HUBBLE-SPACE-TELESCOPE ;  DARK ENERGY ;  SCALAR FIELD ;  CONSTANT ;  CONSTRAINTS ;  SUPERNOVAE ;  UNIVERSE ;  CONSEQUENCES ;  QUINTESSENCE ;  LAMBDA
学科分类: Physics
通讯作者: Guo, ZK , Kinki Univ, Dept Phys, Higashiosaka, Osaka 5778502, Japan
部门归属: Kinki Univ, Dept Phys, Higashiosaka, Osaka 5778502, Japan; CCAST, World Lab, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We consider a new generalized Chaplygin gas model that includes the original Chaplygin gas model as a special case. In such a model the generalized Chaplygin gas evolves as from dust to quiescence or phantom. We show that the background evolution for the model is equivalent to that for a coupled dark energy model with dark matter. The constraints from the current type la supernova data favour a phantom-like Chaplygin gas model. (c) 2007 Elsevier B.V. All rights reserved.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000244506100002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5787
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Guo, Zong-Kuan,Zhang, Yuan-Zhong. Cosmology with a variable Chaplygin gas[J]. PHYSICS LETTERS B,2007,645(4):326-329.
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