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Dynamics of quintom and hessence energies in loop quantum cosmology
Wei, H; Zhang SN(张双南); Zhang, SN
2007
发表期刊PHYSICAL REVIEW D
卷号76期号:6页码:63005
通讯作者Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China ; Tsinghua Univ, Tsinghua Ctr Astrophys, Beijing 100084, Peoples R China ; Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China ; Univ Alabama, Dept Phys, Huntsville, AL 35899 USA
文章类型Review
摘要In the present work, we investigate the universe dominated by quintom or hessence energies in loop quantum cosmology (LQC). Interestingly enough, we find that there are some stable attractors in these two cases. In the case of quintom, all stable attractors have the feature of decelerated expansion. In the case of hessence, most of stable attractors have the feature of decelerated expansion while one stable attractor can have decelerated or accelerated expansion depend on the model parameter. In all cases, the equation-of-state parameter (EoS) of all stable attractors are larger than -1 and there is no singularity in the finite future. These results are different from the dynamics of phantom in LQC, or the ones of phantom, quintom, and hessence in classical Einstein gravity.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.76.063005
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000249786900017
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被引频次:39[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240721
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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Wei, H,Zhang SN,Zhang, SN. Dynamics of quintom and hessence energies in loop quantum cosmology[J]. PHYSICAL REVIEW D,2007,76(6):63005.
APA Wei, H,张双南,&Zhang, SN.(2007).Dynamics of quintom and hessence energies in loop quantum cosmology.PHYSICAL REVIEW D,76(6),63005.
MLA Wei, H,et al."Dynamics of quintom and hessence energies in loop quantum cosmology".PHYSICAL REVIEW D 76.6(2007):63005.
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