Schwarzschild引力场中Proca光线的偏折

Deflection of Proca Light Ray Caused by Schwarzschild Gravitational Field

检验光子的静质量对验证狭义相对论的理论基础“光速不变原理”有着重要的意义。已有的检验方法通常是在没有引力场的情况下进行的 ,得到光子静质量的上限值是mr≤ 7× 10 -52 g。这里主要讨论有引力场时可能造成的影响 ,并以球对称引力场为例 ,计算了有质量光子对应的光线偏折 ,发现若光子有静质量 ,偏折角将发生改变 。

Testing the rest mass of photon is important to prove 'permanence principle of speed of light', which is one of the theoretical bases of Special Theory of Relativity. Almost all means of measurements performed failed to take into account the existence of gravitational fields. The maximal values of the rest mass of a photon has been obtained: m r ≤7×10 -50 g. The influence caused by gravitational field is discussed. We calculate the corresponding deflection of the light ray of Proca photons with the rest mass, which is caused by the spherically symmetric gravitational field. The results indicate that this effect might to change the deflecting angle, but the variation Δ θ will be extremely small.