|
| | | | |
| | | |
| Stat |
Members: 3645
Articles: 2'504'585
Articles rated: 2609
24 April 2024 |
|
| | | | |
|
Article overview
| |
|
|
Relaxation to non-equilibrium in expanding ultracold neutral plasmas | | T. Pohl
; T. Pattard
; J.M. Rost
; | | Date: |
1 Mar 2005 | | Journal: | Phys. Rev. Lett. 94, 205003 (2005), (c) 2005 The American Physical Society | | Subject: | Plasma Physics; Atomic Physics | physics.plasm-ph physics.atom-ph | | Abstract: | We investigate the strongly correlated ion dynamics and the degree of coupling achievable in the evolution of freely expanding ultracold neutral plasmas. We demonstrate that the ionic Coulomb coupling parameter $Gamma_{
m i}$ increases considerably in later stages of the expansion, reaching the strongly coupled regime despite the well-known initial drop of $Gamma_{
m i}$ to order unity due to disorder-induced heating. Furthermore, we formulate a suitable measure of correlation and show th at $Gamma_{
m i}$ calculated from the ionic temperature and density reflects the degree of order in the system if it is sufficiently close to a quasisteady state. At later times, however, the expansion of the plasma cloud becomes faster than the relaxation of correlations, and the system does not reach thermodynamic equilibrium anymore. | | Source: | arXiv, physics/0503008 | | Services: | Forum | Review | PDF | Favorites | |
|
|
No review found.
Did you like this article?
Note: answers to reviews or questions about the article must be posted in the forum section.
Authors are not allowed to review their own article. They can use the forum section.
browser Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
|
| |
|
|
|
|
News, job offers and information for researchers and scientists:
| |
REGISTER