On the mechanism of light-induced orientation of molecules in absorbing nematic liquid crystals
On the mechanism of light-induced orientation of molecules in absorbing nematic liquid crystals
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吸收向列液晶分子光致取向机制的研究
DOI：
10.1134/1.567886
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发表时间：
1998
期刊：
影响因子：
--
通讯作者：
A. Zolot'ko
中科院分区：
文献类型：
--
作者：
A. Zolot'ko
提出了一种吸收向列相液晶取向有序分子集体光致旋转的新机制。这一机制源于激发态和非激发态分子相互作用势的光诱导变化的非中心性，以及它们的关联函数的各向异性。旋转是由分子间力的不同所产生的，分子间力使激发和未激发的分子系综定向。
A new mechanism is proposed for the collective light-induced rotation of orientationally ordered molecules of absorbing nematic liquid crystals. The mechanism derives from the noncentral character of the light-induced change in the interaction potential of the excited and unexcited molecules and also from the anisotropy of their correlation function. Rotation is produced by the difference of the torques exerted by the intermolecular forces orienting the ensembles of excited and unexcited molecules.