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arXiv 1105.4538gr-qc
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一个具有广义不确定原理的宇宙涌现、中间和对数中间暗能量模型

A Dark Energy Model with Generalized Uncertainty Principle in the Emergent, Intermediate and Logamediate Scenarios of the Universe

Rahul Ghosh, Surajit Chattopadhyay, Ujjal Debnath

摘要:

这项工作的动机是Kim等人(2008)的工作,其中考虑了新的年龄计暗能量的状态参数方程的广义不确定原理共存的暗物质没有相互作用。在这项工作中,我们考虑了相同的暗能量与暗物质在宇宙的突现、中间和对数中间场景中的相互作用。此外,我们还研究了在这种相互作用下的所有三个场景中的statefinder,kerk和lerk参数。基于广义不确定原理计算了新年龄暗能量的能量密度和压强,并研究了它们的行为。分析了三种情况下系统状态方程参数在相互作用和非相互作用两种情况下的演化规律。图形分析表明,暗能量在对数膨胀时表现为精粹时代,在突现和中间膨胀时表现为幻影时代。

英文摘要:

This work is motivated by the work of Kim et al (2008), which considered the equation of state parameter for the new agegraphic dark energy based on generalized uncertainty principle coexisting with dark matter without interaction. In this work, we have considered the same dark energy inter- acting with dark matter in emergent, intermediate and logamediate scenarios of the universe. Also, we have investigated the statefinder, kerk and lerk parameters in all three scenarios under this inter- action. The energy density and pressure for the new agegraphic dark energy based on generalized uncertainty principle have been calculated and their behaviors have been investigated. The evolu- tion of the equation of state parameter has been analyzed in the interacting and non-interacting situations in all the three scenarios. The graphical analysis shows that the dark energy behaves like quintessence era for logamediate expansion and phantom era for emergent and intermediate expansions of the universe.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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