Saint Petersburg Institute for Machine Sciences, The Russian Academy of Sciences, Saint Petersburg 199178, Russia.
Immanuel Kant Baltic Federal University, Kaliningrad 236040, Str. Universitetskaya 2, Russia.
Phys Rev E. 2019 Sep;100(3-1):032703. doi: 10.1103/PhysRevE.100.032703.
We have described a novel mechanism of the kinklike pressure P(z-vt) response of the microsized twisted nematic volume under the effect of externally applied electric field E directed parallel to the restricted surfaces and induced by a strong local disturbance of the director field n[over ̂]. It is found that the torques acting on the director n[over ̂] may excite the pressure traveling wave spreading along the normal to both boundaries, whose resemblance to a kink-like wave increases with increasing the value of the applied electric field greater than some critical value E_{cr}.
我们描述了一种新的机制，即在平行于受限表面施加的外部电场 E 的作用下，微小扭曲向列体积的扭结状压力 P(z-vt)响应，该电场由指向场 n[over ̂]的强局部扰动引起。结果发现，作用于指向矢 n[over ̂]的转矩可能会激发沿两个边界的法向传播的压力行波，当施加的电场大于某个临界值 E_{cr}时，该行波类似于扭结波。
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