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Dirac-Born-Infeld inflation model with kinetic coupling to Einstein gravity
Qiu, TT; Qiu, TT (reprint author), Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China.; Qiu, TT (reprint author), Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China.; Qiu, TT (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
2016
发表期刊PHYSICAL REVIEW D
卷号93期号:12页码:123515
文章类型Article
摘要In this paper, we study a new class of inflation models which generalize the Dirac-Born-Infeld (DBI) action with the addition of a nonminimal kinetic coupling (NKC) term. We dub this model as the new DBI inflation model. The NKC term does not bring a new dynamical degree of freedom, so the equations of motion remain of second order. However, with such coupling, the action is no longer linear with respect to the Einstein curvature term (R or G(mu nu)), which leads to a correction term of k(4) in the perturbations. The new DBI inflation model can be viewed as a theory beyond Horndeski. Without violating approximate scale invariance, such correction may lead to new effects on the inflationary spectra that can be tested by future observations.
学科领域Astronomy & Astrophysics ; Physics
资助者NSFC [11405069] ; NSFC [11405069] ; NSFC [11405069] ; NSFC [11405069] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; NSFC [11405069] ; NSFC [11405069] ; NSFC [11405069] ; NSFC [11405069] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01]
DOIhttp://dx.doi.org/10.1103/PhysRevD.93.123515
关键词[WOS]NONMINIMAL DERIVATIVE COUPLINGS ; FIELD-EQUATIONS ; CONSTANT
收录类别SCI
语种英语
资助者NSFC [11405069] ; NSFC [11405069] ; NSFC [11405069] ; NSFC [11405069] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; NSFC [11405069] ; NSFC [11405069] ; NSFC [11405069] ; NSFC [11405069] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Project Program of State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, China [Y4KF131CJ1] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01] ; Open Innovation Fund of Key Laboratory of Quark and Lepton Physics (MOE), Central China Normal University [QLPL2014P01]
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21616
专题理论物理所SCI论文
通讯作者Qiu, TT (reprint author), Cent China Normal Univ, Key Lab Quark & Lepton Phys MOE, Wuhan 430079, Peoples R China.; Qiu, TT (reprint author), Cent China Normal Univ, Coll Phys Sci & Technol, Wuhan 430079, Peoples R China.; Qiu, TT (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
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GB/T 7714
Qiu, TT,Qiu, TT ,Qiu, TT ,et al. Dirac-Born-Infeld inflation model with kinetic coupling to Einstein gravity[J]. PHYSICAL REVIEW D,2016,93(12):123515.
APA Qiu, TT,Qiu, TT ,Qiu, TT ,&Qiu, TT .(2016).Dirac-Born-Infeld inflation model with kinetic coupling to Einstein gravity.PHYSICAL REVIEW D,93(12),123515.
MLA Qiu, TT,et al."Dirac-Born-Infeld inflation model with kinetic coupling to Einstein gravity".PHYSICAL REVIEW D 93.12(2016):123515.
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