Tom Michoel et al 2008 J. Phys. A: Math. Theor. 41 492001 doi:10.1088/1751-8113/41/49/492001
Transport of interface states in the Heisenberg chain
FREE ARTICLETom Michoel1,4, Bruno Nachtergaele2 and Wolfgang Spitzer3
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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 density matrix renormalization group 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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Issue 49 (12 December 2008)
Received 17 August 2008, in final form 6 October 2008
Published 29 October 2008
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Transport of interface states in the Heisenberg chain
Tom Michoel et al 2008 J. Phys. A: Math. Theor. 41 492001
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