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Spontaneous Spin Textures in Multiorbital Mott Systems (1602.07122v3)
Published 23 Feb 2016 in cond-mat.str-el and cond-mat.mtrl-sci
Abstract: Spin textures in k-space arising from spin-orbit coupling in non-centrosymmetric crystals find numerous applications in spintronics. We present a mechanism that leads to appearance of k-space spin texture due to spontaneous symmetry breaking driven by electronic correlations. Using dynamical mean-field theory we show that doping a spin-triplet excitonic insulator provides a means of creating new thermodynamic phases with unique properties. The numerical results are interpreted using analytic calculations within a generalized double-exchange framework.
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