Topological stripelike coreless textures with inner incommensurability in two-dimensional Heisenberg antiferromagnet

Details Topological stripelike coreless textures with inner incommensurability in two-dimensional Heisenberg antiferromagnet Topological stripelike coreless textures with inner incommensurability in two-dimensional Heisenberg antiferromagnet

2004-10-11

arxiv.org/abs/cond-mat/0410251v1

Phys. Rev. B 70 (2004)

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

10.1103/PhysRevB.70.184406

For two-dimensional Heisenberg antiferromagnet we present an analysis of topological coreless excitations having a stripe form. These textures are characterized by singularities at boundaries. A detailed classification of the stripe textures results in a certain analogy with the coreless excitations in $^3He-A$ phase: Mermin-Ho and Anderson-Toulouse coreless vortices. The excitations of the last type may have a low bulk energy. The stripe textures may be observed as an occurrence of short-range incommensurate order in the antiferromagnetic environment.

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