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gr-qc2003
The ultrarelativistic limit of 2D dilaton gravity and its energy momentum tensor
H. Balasin, D. Grumiller
The ultrarelativistic limit of twodimensional dilaton gravity is presented and its associated (anti-)selfdual energy momentum tensor is derived. It is localized on a null line, alt…
gr-qc2003
Head-on collision of ultrarelativistic charges
P. C. Aichelburg, H. Balasin
We consider the head-on collision of two opposite-charged point particles moving at the speed of light. Starting from the field of a single charge we derive in a first step the fie…