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Eric Poisson University of Guelph A radiating system loses energy and angular momemtum to the radiation, and the system experiences a radiation-reaction force. For a system of electric charges, the situation is well understood, and I will begin the talk with a description of this simple case. When an electric charge moves around a massive body, the description becomes more complicated, because the interaction between the gravitating body and the charge must be described within the framework of general relativity. I will explain this in the second part of the talk. When the electric charge is replaced by another massive body, the system no longer radiates electromagnetic waves; it radiates gravitational waves, and it is still subjected to a radiation-reaction force. I will describe this in the final part of the talk.
Monday, June 17th 2002, 12:15 |