Related Experiment Video
Updated: Mar 7, 2026
10:37
Spatial Separation of Molecular Conformers and Clusters
Published on: January 9, 2014
11.8K
Self-confined particle pairs in complex plasmas.
I I Lisina1, E A Lisin1, O S Vaulina1
1Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow 125412, Russia.
Physical Review. E
|February 18, 2017
Summary
Complex plasmas exhibit particle pairing, forming self-confined pairs even at high kinetic energies. This liquid-vapor transition phenomenon is sensitive to charge ratios and interparticle interactions.
Area of Science:
- Plasma Physics
- Condensed Matter Physics
Background:
- Liquid-crystal phase transitions are known in complex plasmas.
- Further research into liquid-vapor transitions in complex plasmas is needed.
Purpose of the Study:
- Investigate particle coupling into self-confined pairs in anisotropic plasma with ion flow.
- Determine stability conditions for these bound pair states.
Main Methods:
- Analytical methods.
- Numerical simulations using Langevin molecular dynamics.
Main Results:
- Stability of bound pair states depends on interaction parameters and kinetic energy.
- Pair breakup is sensitive to the ratio of particle charges.
- Self-confined pairs persist even when kinetic energy exceeds potential well depth.
Conclusions:
- Velocity correlations arising from nonreciprocal interparticle interactions enable self-confined pairs.
- This finding advances understanding of phase transitions in complex plasma systems.
Related Concept Videos
03:06The Pauli Exclusion Principle
60.1K
The arrangement of electrons in the orbitals of an atom is called its electron configuration. We describe an electron configuration with a symbol that contains three pieces of information:
60.1K
02:42Valence Bond Theory
11.5K
Coordination compounds and complexes exhibit different colors, geometries, and magnetic behavior, depending on the metal atom/ion and ligands from which they are composed. In an attempt to explain the bonding and structure of coordination complexes, Linus Pauling proposed the valence bond theory, or VBT, using the concepts of hybridization and the overlapping of the atomic orbitals. According to VBT, the central metal atom or ion (Lewis acid) hybridizes to provide empty orbitals of suitable...
11.5K
02:45Valence Bond Theory
50.9K
Overview of Valence Bond Theory
50.9K
01:30Electric Field of Two Equal and Opposite Charges
7.2K
Atoms generally contain the same number of positively and negatively charged particles, protons, and electrons. Hence, they are electrically neutral. However, the centers of the positive and negative charges do not always coincide. In such a scenario, the electric field of an atom may not be zero.
A separation of the positive and negative charges can lead to a weak, remnant effect of the positive and negative charges. The expectation is that the more the distance between the positive and...
A separation of the positive and negative charges can lead to a weak, remnant effect of the positive and negative charges. The expectation is that the more the distance between the positive and...
7.2K
01:18First Law: Particles in Two-dimensional Equilibrium
16.9K
Recall that a particle in equilibrium is one for which the external forces are balanced. Static equilibrium involves objects at rest, and dynamic equilibrium involves objects in motion without acceleration; but it is important to remember that these conditions are relative. For instance, an object may be at rest when viewed from one frame of reference, but that same object would appear to be in motion when viewed by someone moving at a constant velocity.
Newton's first law tells us about...
Newton's first law tells us about...
16.9K
01:10First Law: Particles in One-dimensional Equilibrium
8.3K
Newton's first law of motion states that a body at rest remains at rest, or if in motion, remains in motion at constant velocity, unless acted on by a net external force. It also states that there must be a cause for any change in velocity (a change in either magnitude or direction) to occur. This cause is a net external force. For example, consider what happens to an object sliding along a rough horizontal surface. The object quickly grinds to a halt, due to the net force of friction. If...
8.3K