## Abstract

The time evolution of the continuous measure of symmetry for a system built of three bodies interacting via the potential (Formula presented.) is reported. Gravitational and electrostatic interactions between the point bodies were addressed. In the case of a pure gravitational interaction, the three-body-system deviated from its initial symmetrical location, described by the Lagrange equilateral triangle, comes eventually to collapse, accompanied by the growth of the continuous measure of symmetry. When three point bodies interact via the repulsive Coulomb interaction, the time evolution of the CMS is quite different. The CMS calculated for all of the studied initial configurations of the point charges, and all of their charge-to-mass ratios, always comes to its asymptotic value with time, evidencing the stabilization of the shape of the triangle, constituted by the interacting bodies. The influence of Stokes-like friction on the change in symmetry of three-body gravitating systems is elucidated; the Stokes-like friction slows the decrease in the CMS and increases the stability of the Lagrange triangle.

Original language | English |
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Article number | 2153 |

Journal | Symmetry |

Volume | 15 |

Issue number | 12 |

DOIs | |

State | Published - Dec 2023 |

## Keywords

- Coulomb interaction
- Lagrange triangle
- asymptotic value
- continuous measure of symmetry
- friction
- gravity
- three-body problem