Physics – Mathematical Physics
Scientific paper
2002-10-24
J. Phys. A36, 2791--2800 (2003)
Physics
Mathematical Physics
Scientific paper
10.1088/0305-4470/36/11/310
We show that choreographic three bodies {x(t), x(t+T/3), x(t-T/3)} of period T on the lemniscate, x(t) = (x-hat+y-hat cn(t))sn(t)/(1+cn^2(t)) parameterized by the Jacobi's elliptic functions sn and cn with modulus k^2 = (2+sqrt{3})/4, conserve the center of mass and the angular momentum, where x-hat and y-hat are the orthogonal unit vectors defining the plane of the motion. They also conserve the moment of inertia, the kinetic energy, the sum of square of the curvature, the product of distance and the sum of square of distance between bodies. We find that they satisfy the equation of motion under the potential energy sum_{i
Fujiwara Toshiaki
Fukuda Hiroshi
Ozaki Hiroshi
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