A 3 - dimensionally modulated structure in a chiral smectic-C liquid crystal
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We report the discovery of a new Twist Grain Boundary phase. This phase is characterised by a 2-dimensional undulation of the smectic C* like blocks in the form of a square lattice. We suggest that this three dimensionally modulated structure, which was not anticipated by theory, owes its origin to chiral interactions.
10 pages(Latex), 9 figures(eps/gif); nvmadhu@rri.ernet.in
10 pages(Latex), 9 figures(eps/gif); nvmadhu@rri.ernet.in