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Wang, D; Meng, XH; Wang, D (reprint author), Nankai Univ, Chern Inst Math, Div Theoret Phys, Tianjin 300071, Peoples R China.
Traversable geometric dark energy wormholes constrained by astrophysical observations
Source PublicationEUROPEAN PHYSICAL JOURNAL C
Language英语
AbstractIn this paper, we introduce the astrophysical observations into the wormhole research. We investigate the evolution behavior of the dark energy equation of state parameter. by constraining the dark energy model, so that we can determine in which stage of the universe wormholes can exist by using the condition omega < -1. As a concrete instance, we study the Ricci dark energy (RDE) traversable wormholes constrained by astrophysical observations. Particularly, we find from Fig. 5 of this work, when the effective equation of state parameter omega(X) < -1 (or z < 0.109), i.e., the null energy condition (NEC) is violated clearly, the wormholes will exist (open). Subsequently, six specific solutions of statically and spherically symmetric traversable wormhole supported by the RDE fluids are obtained. Except for the case of a constant redshift function, where the solution is not only asymptotically flat but also traversable, the five remaining solutions are all non-asymptotically flat, therefore, the exotic matter from the RDE fluids is spatially distributed in the vicinity of the throat. Furthermore, we analyze the physical characteristics and properties of the RDE traversable wormholes. It is worth noting that, using the astrophysical observations, we obtain the constraints on the parameters of the RDE model, explore the types of exotic RDE fluids in different stages of the universe, limit the number of available models for wormhole research, reduce theoretically the number of the wormholes corresponding to different parameters for the RDE model, and provide a clearer picture for wormhole investigations from the new perspective of observational cosmology.
2016
Volume76Issue:9Pages:484
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1140/epjc/s10052-016-4321-4
Indexed BySCI
Funding OrganizationNational Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China ; National Science Foundation of China
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21540
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWang, D (reprint author), Nankai Univ, Chern Inst Math, Div Theoret Phys, Tianjin 300071, Peoples R China.
Recommended Citation
GB/T 7714
Wang, D,Meng, XH,Wang, D . Traversable geometric dark energy wormholes constrained by astrophysical observations[J]. EUROPEAN PHYSICAL JOURNAL C,2016,76(9):484.
APA Wang, D,Meng, XH,&Wang, D .(2016).Traversable geometric dark energy wormholes constrained by astrophysical observations.EUROPEAN PHYSICAL JOURNAL C,76(9),484.
MLA Wang, D,et al."Traversable geometric dark energy wormholes constrained by astrophysical observations".EUROPEAN PHYSICAL JOURNAL C 76.9(2016):484.
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