Related Experiment Video
Updated: May 15, 2026

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps
Published on: August 17, 2017
Polarization of ions under geometric confinement in the strong-interacting regime: a two-ring model study
Yiing-Rei Chen1, Sio-Kit Ng, Chi-Lun Lee
1Department of Physics, National Taiwan Normal University, Taipei 11677, Taiwan.
Abstract:
We study the polarization and electrostatic interactions of an ionic system under geometric confinement in the strong-interacting regime. The geometric confinement is introduced via a simple two-ring model, where ions of each species are confined on a ring, respectively. The observed polarization curve exhibits staircase transitions in the low-temperature regime, due to the crossover between energy local minima. We examine the criterion for the validity of the linear response theory and introduce a simple two-state picture that illustrates the signatures of the crossover phenomena.
Related Concept Videos
Potential Due to a Polarized Object
Trends in Lattice Energy: Ion Size and Charge
Valence Bond Theory
Valence Bond Theory
Crystal Field Theory - Tetrahedral and Square Planar Complexes
Crystal field theory (CFT) is applicable to molecules in geometries other than octahedral. In octahedral complexes, the lobes of the dx2−y2 and dz2 orbitals point directly at the ligands. For tetrahedral complexes, the d orbitals remain in place, but with only four ligands located between the axes. None of the orbitals points directly at the tetrahedral ligands. However, the dx2−y2 and dz2 orbitals (along the Cartesian axes) overlap with the ligands less than the dxy,...
Theory of Strong Electrolytes

