Volume 41, Number 2, January II 1998
|Page(s)||171 - 176|
|Section||Condensed matter: structure, thermal and mechanical properties|
|Published online||01 September 2002|
Crossing of disclinations in nematic slabs
Chemical Physics Interdisciplinary Program and Liquid Crystal Institute,
Kent State University, Kent, OH, 44242, USA
Accepted: 20 November 1997
It is shown experimentally that crossing and intercommutation of disclinations in a bounded nematic cell depend on surface orientation of the director and the relative strength of disclinations. Lines of opposite strength switch the pinned ends between the bounding plates and vanish independently of each other if the surface orientation is tangential. In contrast, tilted surface orientation preserves the stability of lines.
PACS: 61.30.Jf – Defects in liquid crystals
© EDP Sciences, 1998
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