Transport of interface states in the Heisenberg chain

Details Transport of interface states in the Heisenberg chain Transport of interface states in the Heisenberg chain

2007-02-02

arxiv.org/abs/cond-mat/0702059v3

J. Phys. A: Math. Theor. 41 (2008) 492001

Physics

Condensed Matter

Statistical Mechanics

minor revision, final version; 13 pages, 4 figures

Scientific paper

10.1088/1751-8113/41/49/492001

We demonstrate the transport of interface states in the one-dimensional ferromagnetic Heisenberg model by a time dependent magnetic field. Our analysis is based on the standard Adiabatic Theorem. This is supplemented by a numerical analysis via the recently developed time dependent DMRG method, where we calculate the adiabatic constant as a function of the strength of the magnetic field and the anisotropy of the interaction.

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