Gravitational interaction for light-like motion in classical and quantum theory
Abstract
On the basis of an exact vacuum solution of Einstein's equations, vis. the pencil-of-light field, we study the light-like motion of test and non-test objects. We also consider the quantum theoretical interaction of massless scalar particles through virtual gravitons. The dragging phenomenon is manifested and its agreement with astronomical observations established. This paper submitted to arXiv is a somewhat reedited copy of my article dedicated to Dr. Ivar Piir in a volume published on the occasion of his 60th birthday in 1989 in Tartu by the Estonian Academy of Sciences.
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