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Chiral hedgehog textures in two-dimensional XY-like ordered domains
1Department of Physics, University of California at Los Angeles, Los Angeles, California 90095-1547, USA.
Abstract:
The textures associated with a point defect centered in a circular domain of a thin film with XY-like ordering have been analyzed. The family of equilibrium textures, both stable and metastable, can be classified by a new radial topological number in addition to the winding number of the defect. Chiral textures are supported in an achiral system as a result of spontaneously broken chiral symmetry. Among these chiral textures, our theoretical analysis accurately describes two categories of recently discovered "reversing spiral" textures, ones that are energetically stable and metastable.
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