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题名: DBI potential, DBI inflation action and general Lagrangian relative to phantom, K-essence and quintessence
作者: Zhang, Q ;  Huang, YC
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2011
期号: 11, 页码:50
关键词: PROBE WMAP OBSERVATIONS ;  COSMOLOGICAL CONSTANT ;  PERTURBATIONS ;  GAUSSIANITY ;  FLATNESS ;  UNIVERSE ;  HORIZON
学科分类: Physics
通讯作者: Huang, YC (reprint author), Beijing Univ Technol, Inst Theoret Phys, Beijing 100124, Peoples R China.
部门归属: [Zhang, Qing; Huang, Yong-Chang] Beijing Univ Technol, Inst Theoret Phys, Beijing 100124, Peoples R China; [Huang, Yong-Chang] CCAST, World Lab, Beijing 100080, Peoples R China; [Huang, Yong-Chang] Chinese Acad Sci, Kavli Inst Theoret Phys, Beijing 100190, Peoples R China
英文摘要: We derive a Dirac-Born-Infeld (DBI) potential and DBI inflation action by resealing the metric. The determinant of the induced metric naturally includes the kinetic energy and the potential energy. In particular, the potential energy and kinetic energy can convert into each other in any order, which is in agreement with the limit of classical physics. This is quite different from the usual DBI action. We show that the Taylor expansion of the 11131 action can be reduced into the form in the non-linear classical physics. These investigations are the support for the statement that the results of string theory are consistent with quantum mechanics and classical physics. We deduce the Phantom, K-essence, Quintessence and Generalized Klein-Gordon Equation from the DBI model.
资助者: Chinese Academy of Sciences [KJCX2.YW.W10]; National Natural Science Foundation of China [10875009]; Beijing Natural Science Foundation [1072005]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000298141300050
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14241
Appears in Collections:理论物理所2011年知识产出_期刊论文

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Recommended Citation:
Zhang, Q,Huang, YC. DBI potential, DBI inflation action and general Lagrangian relative to phantom, K-essence and quintessence[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2011(11):50.
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