Soft topological objects in topological media

Details Soft topological objects in topological media Soft topological objects in topological media

2011-01-06

arxiv.org/abs/1101.1179v3

Pisma Zh.Eksp.Teor.Fiz.93:378-382, 2011; JETP Lett.93:344-348,2011

Physics

Condensed Matter

Strongly Correlated Electrons

6 pages, no figures, JETP Letters style, version submitted to JETP Lett

Scientific paper

10.1134/S0021364011060129

Topological invariants in terms of the Green's function in momentum and real space determine properties of smooth textures within topological media. In space dimension D=1 the topological invariant N_3 in terms of the Green's function G(\omega,k_x,x) determines the fermion number of the 1D soliton, while in space dimension D=3 the topological invariant N_5 in terms of the Green's function G(\omega,k_x,k_y,k_z,z) determines quantization of Hall conductivity in the soliton plane within the topological insulators.

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