Dynamics of the Kitaev-Heisenberg Model

Volume: 119, Issue: 15
Published: Oct 12, 2017
Abstract
We introduce a matrix-product state based method to efficiently obtain dynamical response functions for two-dimensional microscopic Hamiltonians. We apply this method to different phases of the Kitaev-Heisenberg model and identify characteristic dynamical features. In the ordered phases proximate to the spin liquid, we find significant broad high-energy features beyond spin-wave theory, which resemble those of the Kitaev model. This establishes...
Paper Details
Title
Dynamics of the Kitaev-Heisenberg Model
Published Date
Oct 12, 2017
Volume
119
Issue
15
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