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arXiv 1407.2252gr-qchep-th
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偶维弱弯曲静态牛顿时空中的标量波尾

Scalar Wave Tails in Even Dimensional Weakly Curved Static Newtonian Spacetimes

Yi-Zen Chu

摘要:

在由线性化的爱因斯坦方程控制的四维(4D)弱场几何中,并且主要来源于静态的、空间局域的、但在其他方面任意的质量密度$T_{00}$,已知最小耦合的无质量标量、洛伦兹规范光子和de Donder规范引力子的格林函数的首阶尾部分在后期不仅是时间平移对称的,而且是空间平移和球对称的。只有物质源的磁矩对格林函数的晚时拖尾负责。我们提供的证据,在本文中,这两个声明将不再成立的所有甚至维度高于4。因此,我们预计,在更高的偶数维渐近平坦时空中传播的无质量场的后期行为将表现出比他们的4D同行更丰富的现象。

英文摘要:

In a 4-dimensional (4D) weak field geometry governed by the linearized Einstein's equations and sourced primarily by a static, spatially localized, but otherwise arbitrary mass density $T_{00}$, it is known that the leading order tail part of the Green's functions of the minimally coupled massless scalar, Lorenz gauge photon, and de Donder gauge graviton at late times are not only time translation symmetric, but also space-translation and spherically symmetric. Only the monopole moment of the matter source is responsible for the late-time tail of the Green's functions. We provide evidence, in this paper, that both of these statements will cease to hold for all even dimensions higher than 4. As a consequence, we anticipate that the late time behavior of massless fields propagating in higher even dimensional asymptotically flat spacetimes will exhibit richer phenomenology than their 4D counterparts.

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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