Monthly Archives: October 2013

Ion-wake-induced anomaly of dust lattice mode in the presence of an external magnetic field

Author(s): Saurav Bhattacharjee and Nilakshi Das

We report a theoretical investigation of the dust lattice (DL) mode in two-dimensional Yukawa crystals in the presence of asymmetric ion flow and an external magnetic field perpendicular to the crystal plane. Two mutually perpendicular modes are found to be coupled due to Lorentz force. Interaction ...

[Phys. Rev. E 88, 043106] Published Tue Oct 29, 2013

Mode couplings and resonance instabilities in dust clusters

Author(s): Ke Qiao, Jie Kong, Eric Van Oeveren, Lorin S. Matthews, and Truell W. Hyde

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 each particle is shown to induce coupling between horizontal and vertical modes. The rules of mode coupling are investigate...

[Phys. Rev. E 88, 043103] Published Wed Oct 16, 2013