I L, Juan WT, Chiang CH, Chu JH
Department of Physics, National Central University, Chungli, Taiwan 32054, Republic of China.
Science. 1996 Jun 14;272(5268):1626-8. doi: 10.1126/science.272.5268.1626.
The microscopic particle motions from the crystal to the disordered state of a dusty plasma with micrometer-sized silicon dioxide particle suspensions in a radio-frequency glow discharge system were studied through an optical microimaging system. Small-amplitude random motion around the lattice sites of the crystal state, relative domain motion with varying boundaries, cooperative hopping in the liquid state, and highly disordered motion with increasing radio-frequency power were observed. Chaotic states with different spatial scales under the coherent and stochastic coupling between dust particles and self-organized background plasma fluctuations were also demonstrated.
通过光学显微成像系统，研究了在射频辉光放电系统中含有微米级二氧化硅颗粒悬浮液的尘埃等离子体从晶体态到无序态的微观粒子运动。观察到围绕晶体态晶格位置的小振幅随机运动、具有变化边界的相对畴运动、液态中的协同跳跃以及随着射频功率增加的高度无序运动。还证明了尘埃颗粒与自组织背景等离子体涨落之间的相干和随机耦合下不同空间尺度的混沌态。
