利用引力波观测探测量子引力

J. Tarrant, S. Colafrancesco
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引用次数: 0

摘要

众所周知,电磁辐射与某些引力波事件有关,即双中子星的碰撞。建立这种联系是非常重要的。然而,如果电磁对应物可以通过直接将引力子转化为光子而产生,那么存在一个简单的确凿证据测试将这两个事件联系起来。该模型采用Raffelt和Stodolsky讨论的一般和转换机制。此外,由于这种机制对广义相对论和标准模型的对称性是通用的,而且它假设了一个量子化的引力场,我们可以用简单的低能实验来探测引力子的存在以及量子引力效应(因此是非常高能的现象)变得相关的尺度。
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Using Gravitational Wave Observations to Probe Quantum Gravity
Electromagnetic radiation is known to be associated with certain gravitational waves events, i.e. the collision of binary neutron stars. Establishing this connection is non-trivial. However, if electromagnetic counterparts could be produced by directly converting gravitons into photons, then a simple smoking gun test exists linking the two events. This model uses the general and conversion mechanism discussed by Raffelt and Stodolsky. Furthermore, because this mechanism is generic to the symmetries of general relativity and the standard model and because it assumes a quantised gravitational field, we may probe both the existence of the graviton and the scale at which quantum gravity effects (and thus very high-energy phenomena) become relevant using simple low-energy experiments.
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