Open AccessThe influence of nonlocality on solitons in nematic liquid crystals
Author(s) -
Yanyan Zhu,
Xuewen Long,
Hu Wei,
Liangzhi Cao,
Yang Ping-Bao,
Qi Guo
Publication year - 2008
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.57.2260
Subject(s) - quantum nonlocality , liquid crystal , physics , soliton , nonlinear system , optics , condensed matter physics , quantum mechanics , quantum , quantum entanglement
In this paper, we theoretically investigated the influence of nonlocality on (1+2)-dimensional spatial solitons in undoped nematic liquid crystals (NLCs). We confirmed that the nonlinear index coefficient and the general characteristic length of the nonlinear nonlocality for the NLC are dependent on the pretilt angle of the NLC molecules. Then the Schrdinger-type nonlinear equation in strong nonlocality was given and from the equation the analytical expressions of the single soliton and the critical power were respectively obtained. In experiment, we varied the degree of nonlocality by changing the bias voltage and indirectly determined the relation between the critical power and pretilt angle. At last, by comparison of analytical solutions with the numerical simulation and the experimental result, we verified that our expressions are precise.