外文题目: Spatial distribution and time evolution of correlation in ultracold neutral plasmas
作者: Chen, T. X.; Lu, R. H.; Guo, L.; Han, S. S.
刊名: J. Phys. B-At. Mol. Opt. Phys.
年: 2016 卷: 49 期: 14 文章编号：145701
英文关键词:
ultracold plasma; pair correlation; Coulomb coupling parameter; molecular-dynamics simulation
STRONGLY COUPLED PLASMAS; ONE-COMPONENT PLASMA; RYDBERG ATOMS; LIQUIDS; WAVES
英文摘要:
The correlation of ultracold neutral plasmas extracted from the pair correlation function is presented in detail. To get its spatial distribution and time evolution, a large scale simulation using a full molecular-dynamics method with open boundary condition is performed, and the expansion of an ultracold plasma is simulated. We demonstrate that the coupling strength extracted from pair correlation is a good measure for the correlation in ultracold plasma except at the very early stage. The ion-ion pair correlation arises at the timescale of omega(-1)(pi). And results imply that there is a strong coupling area at the outer plasma during the expansion.


文献类型: 期刊论文
正文语种: English
收录类别: SCIEI
DOI: 10.1088/0953-4075/49/14/145701


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