【摘 要】
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Using Langevin simulations,we study numerically the directional mode-locking of the dynamics of twodimensional superparamagnetic colloidal system in a periodic
【机 构】
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School of Physics and Engineering,Zhengzhou University,Information College of Electronic-Engineering
【出 处】
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Communications in Theoretical Physics
论文部分内容阅读
Using Langevin simulations,we study numerically the directional mode-locking of the dynamics of twodimensional superparamagnetic colloidal system in a periodic pinning array.When the colloidal particles are initially commensurate with the pinning sites,there appear mode-locking steps in the average velocity of colloidal particles along certain directions of the external driving force.With an increase in the pinning strength,the width of the step increases linearly but the velocity at the step decreases parabolically.
Using Langevin simulations, we study numerically the directional mode-locking of the dynamics of twodimensional superparamagnetic colloidal systems in a periodic pinning array. WHERE the colloidal particles are initially commensurate with the pinning sites, there appear mode-locking steps in the average velocity of colloidal particles along certain directions of the external driving force. With an increase in the pinning strength, the width of the step increases linearly but the velocity at the step decreases parabolically.
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