Mathisson–Papapetrou–Dixon equations
General relativity equation / From Wikipedia, the free encyclopedia
In physics, specifically general relativity, the Mathisson–Papapetrou–Dixon equations describe the motion of a massive spinning body moving in a gravitational field. Other equations with similar names and mathematical forms are the Mathisson–Papapetrou equations and Papapetrou–Dixon equations. All three sets of equations describe the same physics.
They are named for M. Mathisson,[1] W. G. Dixon,[2] and A. Papapetrou.[3]
Throughout, this article uses the natural units c = G = 1, and tensor index notation.