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arXiv 1604.04015gr-qchep-th
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质量对规范场的归约和引力波带信息

Massive to gauge field reduction and gravitational wave zone information

S. Deser

摘要:

我们明确表明,大量的,阿贝尔,矢量,就像(适当定义)大量的张量,场限制顺利其无质量,规范,版本:他们只发出最大的螺旋辐射和调解库仑和(特殊相对论)牛顿,他们(保守)的来源之间的力量。然而,我们的主要动机是表明,最近的引力波探测可能不能直接排除非常长距离的引力:即使波是在强场区域发射的,它们在弱场波区被探测到意味着上述等价适用。仍然存在一种可能性,即在大质量模型中,没有强场产生的辐射可以重现所观察到的衰荡模式。另外,光滑的线性极限行为表明,不连续性不仅在于质量,而是在阿贝尔与非阿贝尔,杨米尔斯和广义相对论,制度,其各自的质量版本是非物理的。

英文摘要:

We show explicitly that massive, Abelian, vector, just like (properly defined) massive tensor, fields limit smoothly to their massless, gauge, versions: they emit only maximal helicity radiation and mediate Coulomb and (special relativistic) Newtonian, forces between their (conserved) sources. Our main motivation, though, is to show that the recent gravitational wave detection probably cannot directly rule out very long-range gravity: Even though the waves were emitted in a strong field regime, their being detected in the weak field wave zone means the above equivalences apply. There remains the, not unlikely, possibility that no strong field generation of radiation in massive models can reproduce the observed ring-down patterns. Separately, the smooth linear limiting behaviors show that the discontinuity lies not in the mass alone, but rather in Abelian versus non-Abelian, Yang-Mills and General Relativity, regimes, whose respective massive versions are known to be non-physical.

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