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arXiv 1607.07095gr-qcastro-ph.COhep-th
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纯Lovelock理论中的紧致对象

Compact objects in pure Lovelock theory

Naresh Dadhich, Sudan Hansraj, Brian Chilambwe

摘要:

对于在纯Lovelock引力作用下的致密物体的静态流体内部(在方程中只涉及一个$N$阶项),我们建立了临界奇、偶$d=2N+1, 2N+2$维解的相似性。结果表明,在临界奇$d=2N+1$维中,不存在具有有限半径的束缚分布,而在临界偶$d=2N+2$维中,所有解具有相似的行为。为了说明相似性,我们将分别比较$d=4$ Einstein理论中的$N =1, 2$和Gauss-Bonnet理论中的$d=6$的恒星解。我们还得到了Finch-Skea模型的纯Lovelock模拟。

英文摘要:

For static fluid interiors of compact objects in pure Lovelock gravity (involving ony one $N$th order term in the equation) we establish similarity in solutions for the critical odd and even $d=2N+1, 2N+2$ dimensions. It turns out that in critical odd $d=2N+1$ dimensions, there can exist no bound distribution with a finite radius, while in critical even $d=2N+2$ dimensions, all solutions have similar behavior. For exhibition of similarity we would compare star solutions for $N =1, 2$ in $d=4$ Einstein and $d=6$ in Gauss-Bonnet theory respectively. We also obtain the pure Lovelock analogue of the Finch-Skea model.

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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