关于可能的三引力子顶点

IF 0.6 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Bulletin of the Lebedev Physics Institute Pub Date : 2024-06-25 DOI:10.3103/S1068335623600018

A. I. Nikishov

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引用次数: 0

摘要

摘要作者在玻恩近似中比较了三种情况下牛顿中心上引力子散射的截面：1）广义相对论的三引力子顶点；2）用适当选择的无质量自旋-2场的引力能量-动量张量形成的顶点；3）用兰道和利夫希茨伪张量能量动量形成的顶点。在所有这三种情况下，对于角度θ为一个数量级的散射，截面都是不同的。因此，从原理上讲，实验决定了自然界使用哪个三重力子顶点。场能非局域性的表现值得注意。

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On Possible Three-Graviton Vertices

The author compares, in the Born approximation, the cross sections for graviton scattering on Newtonian center in three cases using 1) a three-graviton vertex of general relativity, 2) a vertex formed with a properly chosen gravitational energy-momentum tensor of a massless spin-2 field, and 3) a vertex formed with Landau and Lifshits pseudotensor energy momentum. In all three cases, the cross sections are different For scattering by angles θ of an order of unity. So, in principle, the experiment decides which three-graviton vertex is used by nature. The manifestation of nonlocalizability of field energy is noted.

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来源期刊

Bulletin of the Lebedev Physics Institute PHYSICS, MULTIDISCIPLINARY-

CiteScore

0.70

自引率

25.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Bulletin of the Lebedev Physics Institute is an international peer reviewed journal that publishes results of new original experimental and theoretical studies on all topics of physics: theoretical physics; atomic and molecular physics; nuclear physics; optics; lasers; condensed matter; physics of solids; biophysics, and others.