论文标题
弯曲时空的角彩虹
An angular rainbow of light from curved spacetime
论文作者
论文摘要
我们试图通过表明无质量极化粒子允许与任意重力场的广泛的非极小相互作用来超越几何光学近似。提出了曲率依赖性相互作用的一个具体示例，从而导致频率依赖的法拉第效应。即使在Schwarzschild的时空中，这也导致了极偏光的波梁具有不同频率的线性光束的角度分散，并沿着同一射线传播。
We try to go beyond the geometrical optics approximation, by showing that a massless polarized particle allows a wide class of non minimal interactions with an arbitrary gravitational field. One specific example of a curvature-dependent interaction is presented, that results in a frequency-dependent Faraday effect. Even in a Schwarzschild spacetime, this leads to the angular dispersion of polarization planes for a linearly-polarized beam of waves with different frequencies, propagating along the same ray.
