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7 papers · 2 filters
Mode couplings and resonance instabilities in dust clusters
Ke Qiao, Jie Kong, Eric Van Oeveren +2
The normal modes for three to seven particle two-dimensional (2D) dust clusters in a complex plasma are investigated using an N-body simulation. The ion wakefield downstream of eac…
Mode coupling and resonance instabilities in quasi-two-dimensional dust clusters in complex plasmas
Ke Qiao, Jie Kong, Jorge Carmona +2
Small quasi-two-dimensional (2D) dust clusters consisting of three to eleven particles are formed in an argon plasma under varying rf power. Their normal modes are investigated thr…
Slow plastic creep of 2D dusty plasma solids
Peter Hartmann, Anikó Zs. Kovács, Angela M. Douglass +3
We report complex plasma experiments, assisted by numerical simulations, providing an alternative qualitative link between the macroscopic response of polycrystalline solid matter…
Interaction force in a vertical dust chain inside a glass box
Jie Kong, Ke Qiao, Lorin S. Matthews +1
Small number dust particle clusters can be used as probes for plasma diagnostics. The number of dust particles as well as cluster size and shape can be easily controlled employing…
Measurement of net electric charge and dipole moment of dust aggregates in a complex plasma
Razieh Yousefi, Allen B. Davis, Jorge Carmona-Reyes +2
Understanding the agglomeration of dust particles in complex plasmas requires a knowledge of the basic properties such as the net electrostatic charge and dipole moment of the dust…
Dusty plasma cavities: probe-induced and natural
B. J. Harris, L. S. Matthews, T. W. Hyde
A comprehensive exploration of regional dust evacuation in complex plasma crystals is presented. Voids created in 3D crystals on the International Space Station have provided a ric…