Laser heating of finite two-dimensional dust clusters: A. Experiments

Laser heating of finite two-dimensional dust clusters: A. Experiments
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有限二维尘埃簇的激光加热:A. 实验

DOI:
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发表时间:
2012
期刊:
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通讯作者:
M. Bonitz
M. Bonitz
中科院分区:
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文献类型:
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作者:
J. Schablinski;D. Block;A. Piel;A. Melzer;H. Thomsen;H. Kählert;M. Bonitz

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激光操纵可以控制尘埃等离子体中的动态粒子温度。通过实验对等离子体晶体的不同激光加热方法进行了基准测试。这些方法在空间、时间和统计意义上的同质性和各向同性进行了分析。结果表明,可以实现非常接近热平衡的粒子动力学,并且激光加热方法可以对有限尺寸系统中的相变进行详细研究。
Laser manipulation allows to control the kinetic particle temperature in dusty plasmas. Different methods of laser heating for plasma crystals are benchmarked experimentally. The methods are analyzed with respect to homogeneity and isotropy in a spatial, temporal, and statistical sense. It is shown that it is possible to achieve particle dynamics very close to thermal equilibrium and that laser heating methods allow for a detailed study of phase transitions in finite size systems.