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Three-dimensional solitary waves with electrically tunable direction of propagation in nematics.


ABSTRACT: Production of stable multidimensional solitary waves is a grand challenge in modern science. Steering their propagation is an even harder problem. Here we demonstrate three-dimensional solitary waves in a nematic, trajectories of which can be steered by the electric field in a plane perpendicular to the field. The steering does not modify the properties of the background that remains uniform. These localized waves, called director bullets, are topologically unprotected multidimensional solitons of (3?+?2)D type that show fore-aft and right-left asymmetry with respect to the background molecular director; the symmetry is controlled by the field. Besides adding a whole dimension to the propagation direction and enabling controlled steering, the solitons can lead to applications such as targeted delivery of information and micro-cargo.

SUBMITTER: Li BX 

PROVIDER: S-EPMC6704189 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature

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Three-dimensional solitary waves with electrically tunable direction of propagation in nematics.

Li Bing-Xiang BX   Xiao Rui-Lin RL   Paladugu Sathyanarayana S   Shiyanovskii Sergij V SV   Lavrentovich Oleg D OD  

Nature communications 20190821 1


Production of stable multidimensional solitary waves is a grand challenge in modern science. Steering their propagation is an even harder problem. Here we demonstrate three-dimensional solitary waves in a nematic, trajectories of which can be steered by the electric field in a plane perpendicular to the field. The steering does not modify the properties of the background that remains uniform. These localized waves, called director bullets, are topologically unprotected multidimensional solitons  ...[more]

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