论文标题
球形纳米颗粒的粘性运动，这些纳米颗粒将激光辐射散射在雷利政权中
Viscous motion of spherical nanoparticles that scatter laser radiation in the Rayleigh regime
论文作者
论文摘要
分析了在激光场中移动的纳米球的横向辐射粘度的机理。证明，在这些颗粒散射的过程中，除了FS外，还可以朝着辐射传播的方向加速它们，以及由于光场的空间不均匀性而引起的梯度力FG，还有一些力量的FVISC降低了横向方向上粒子运动的速度。这些光粘度力是由于散射辐射频率的多普勒变化引起的。这些作用在雷利方向上散射辐射的颗粒上的力的一般表达式被得出并应用以估计它们对悬浮的纳米球的影响以及在激光和磁场中移动的慢电子。讨论了观察光粘度的影响的可能实验。
The mechanism of transverse radiation viscosity for nanospheres moving in laser field is analyzed. It is demonstrated that in the process of light scattering by these particles besides the force Fs accelerating them in the direction of radiation propagation and the gradient force Fg that is due to the spatial inhomogeneity of the light field, there are forces Fvisc that slow down the movement of particles in the transverse directions. These light viscosity forces are due to the Doppler shift in frequency of scattered radiation. The general expressions for these forces acting on particles that scatter radiation in the Rayleigh regime are derived and applied to estimate their effect on levitated nanospheres and also on slow electrons moving in the laser and magnetic fields. The possible experiments for observation the effects of light viscosity is discussed.
