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arXiv 1303.1003gr-qchep-th
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广义相对论中作为环形孤子的引力涡旋

Gravitating vortons as ring solitons in general relativity

Jutta Kunz, Eugen Radu, Bintoro Subagyo

摘要:

在广义相对论中,涡顿可以被看作是(平坦空间)场论中黑环的类似物。它们是由一圈一圈的漩涡组成的,靠离心力维持着,以防止崩溃。在这项工作中,我们讨论这样的配置在全球版本的Witten的U(1)xU(1)理论。我们首先考虑一个平坦的时空背景下的解决方案,并显示其非唯一性。引力的加入导致了新的特征。特别是,可能出现麦角区。此外,类似于玻色子星,我们表明,涡子只存在于有限的频率范围内。与重力的耦合引起了质量和电荷的螺旋状频率依赖性。本文还讨论了描述“双涡旋”和“双涡旋”的模型的新解。

英文摘要:

Vortons can be viewed as (flat space-) field theory analogs of black rings in general relativity. They are made from loops of vortices, being sustained against collapse by the centrifugal force. In this work we discuss such configurations in the global version of Witten's U(1)xU(1) theory. We first consider solutions in a flat spacetime background and show their non-uniqueness. The inclusion of gravity leads to new features. In particular, an ergoregion can occur. Also, similar to boson stars, we show that the vortons exist only in a limited frequency range. The coupling to gravity gives rise to a spiral-like frequency dependence of the mass and charge. New solutions of the model describing 'semitopological vortons' and 'di-vortons' are also discussed.

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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