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cond-mat.str-el2000★ 20 cited
Elementary excitations in one-dimensional spin-orbital models: neutral and charged solitons and their bound states
A. K. Kolezhuk, H. -J. Mikeska, U. Schollwoeck
We study, both numerically and variationally, the interplay between different types of elementary excitations in the model of a spin chain with anisotropic spin-orbit coupling, in…
cond-mat.str-el2000★ 22 cited
On the dynamics of coupled S=1/2 antiferromagnetic zig-zag chains
M. Mueller, H. -J. Mikeska
We investigate the elementary excitations of quasi one-dimensional S=1/2 systems built up from zig-zag chains with general isotropic exchange constants, using exact (Lanczos) diago…