Related Experiment Video
Updated: Aug 9, 2026

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 16, 2013
Classical dynamics near the triple collision in a three-body Coulomb problem
Nark Nyul Choi1, Min-Ho Lee, Gregor Tanner
1School of Natural Science, Kumoh National Institute of Technology, Kumi, Kyungbook 730-701, Korea.
We studied chaotic motion in three-body Coulomb systems. Simple dynamical patterns were found near triple collisions, revealing underlying order that could explain structures in two-electron atoms.
Area of Science:
- Classical mechanics
- Quantum mechanics
- Atomic physics
Background:
- The three-body Coulomb problem exhibits complex chaotic dynamics.
- Triple collisions are a primary source of chaos in these systems.
- Understanding these dynamics is crucial for atomic physics.
Purpose of the Study:
- To analyze the three-body dynamics near triple collisions in detail.
- To identify underlying patterns in the chaotic phase space.
- To connect classical dynamics to quantum phenomena in two-electron atoms.
Main Methods:
- Utilized the McGehee scaling technique.
- Investigated systems with three charged particles (attractive/repulsive interactions).
- Analyzed dynamics in 3 degrees of freedom.
Main Results:
- Discovered surprisingly simple dynamical patterns in large portions of the chaotic phase space.
- Identified approximate Markov partitions as a source of order.
- Demonstrated a connection between classical chaos and quantum spectra.
Conclusions:
- The classical motion of three charged particles reveals unexpected order near triple collisions.
- Approximate Markov partitions offer a framework for understanding chaotic behavior.
- These findings may aid in interpreting the global structures in quantum spectra of two-electron atoms.
Related Concept Videos
Elastic Collisions: Introduction
Elastic Collisions: Case Study
Collisions in Multiple Dimensions: Introduction
Collisions in Multiple Dimensions: Problem Solving
A small car of mass 1,200 kg traveling east at 60 km/h collides at an intersection with a truck of mass 3,000 kg traveling due north at 40 km/h. The two vehicles are locked together. What is the...
Equations of Equilibrium in Three Dimensions
According to the vector equations of equilibrium, the vector sum of all the external forces acting on a body must...
Classical Mechanics

