Zhdanov S, Nunomura S, Samsonov D, Morfill G
CIPS, Max-Planck-Institut für Extraterrestrische Physik, D-85740 Garching, Germany.
Phys Rev E Stat Nonlin Soft Matter Phys. 2003 Sep;68(3 Pt 2):035401. doi: 10.1103/PhysRevE.68.035401. Epub 2003 Sep 9.
Wave spectra corresponding to the random particle motion in a monolayer Yukawa crystal were studied for various directions of propagation. It was found that there are two wave modes with a polarization alternating between the longitudinal and transverse. In the long-wavelength regime, the modes became purely longitudinal and transverse as was known before. In the short-wavelength regime the spectra strongly depended on the wavelength and the direction of propagation. The results obtained from the experiment, theory, and simulation agreed well with each other.
研究了与单层 Yukawa 晶体中随机粒子运动相对应的波谱在不同传播方向上的情况。发现存在两种波模，其极化在纵向和横向之间交替。在长波长区域，这些模式如之前所知的那样变为纯纵向和横向。在短波长区域，波谱强烈依赖于波长和传播方向。从实验、理论和模拟中获得的结果彼此吻合得很好。
