Abstract
A canonical transformation is found that enables one in the first quasirelativistic approximation (which takes into account orders c−2) to separate the internal motion in a classical system of two particles from its motion as a whole in the case of arbitrary interaction between the particles.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 10, pp. 49–53, October, 1980.
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Gaida, R.P., Krokhmal'skii, T.E. Approximately relativistic center-of-mass variables for a system of two interacting particles. Soviet Physics Journal 23, 877–881 (1980). https://doi.org/10.1007/BF00892259
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DOI: https://doi.org/10.1007/BF00892259