病毒悬浮液低频受激拉曼散射的电荷机制
Charge mechanism of low-frequency stimulated Raman scattering in virus suspensions
摘要：
本文提出了一种简单的受激光散射的物理机制（类似于等离子体中的朗缪尔波机制）。提出的机制是基于光波和水环境中病毒上不可避免的未补偿电荷之间的偶极相互作用。烟草花叶病毒的实验数据支持所提出的物理机制。实验结果表明，该机制可以很好地解释实验观测到的受激放大谱线频率。特别是，较低的频率线的情况下，发生线的pH值变化时的移位是由于在离子溶液环境中的离子摩擦。实验观察到的选择规则也证实了偶极相互作用类型。结果表明，在这样的散射条件下，病毒声振动频率上的微波辐射应该出现。我们证明，这样的条件也允许局部选择性加热的病毒。这种效应由光学辐照参数控制，可用于选择性地影响特定类型的病毒。
英文摘要：
A simple physical mechanism of stimulated light scattering on viruses in a water suspension (similar to Langmuir wave mechanism in plasma) is proposed. The proposed mechanism is based on the dipole interaction between the light wave and the inevitable uncompensated electrical charge on a virus in a water environment. Experimental data on tobacco mosaic virus are presented to support the proposed physical mechanism. It is demonstrated that stimulated amplification spectral line frequencies observed experimentally are well explained by the proposed mechanism. In particular, the absence of lower-frequency lines and the shifting of generation lines when the pH changes are due to ion friction in the ionic solution environment. The selection rules observed experimentally also confirm the dipole interaction type. It is shown that microwave radiation on virus acoustic vibrations frequency should appear under such scattering conditions. We demonstrate that such conditions also allow for local selective heating of viruses. This effect is controlled by the optical irradiation parameters and can be used to selectively affect a specific type of virus.
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