【摘 要】
：
Dust lattice waves of a one-dimensional plasma crystal chain with an exteal magnetic field are investigated.When the magnetic field is in the vertical direction
【机 构】
：
State Key Laboratory of Materials Modification by Laser, Ion and Electron Beams, School of Physics a
论文部分内容阅读
Dust lattice waves of a one-dimensional plasma crystal chain with an exteal magnetic field are investigated.When the magnetic field is in the vertical direction (θ = 0), perpendicular to the chain, the vertical transverse mode is not affected, while the horizontal transverse mode is coupled with the longitudinal mode. In the high frequency range, we obtain an ‘upper-hybrid dust lattice mode and in the low frequency range, we obtain a lower-hybrid dust lattice mode. Between the two modes, a ‘gap is formed. When the magnetic field is oriented to the chain (θ = π/2), the longitudinal mode is not affected while both the horizontal and vertical transverse modes are shifted due to the effect of the magnetic field.
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