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Spontaneous Spin Textures in Multiorbital Mott Systems

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KUNES Jan GEFFROY Dominique

Druh Článek v odborném periodiku
Časopis / Zdroj Physical Review Letters
Fakulta / Pracoviště MU

Přírodovědecká fakulta

Citace
www http://journals.aps.org/prl/pdf/10.1103/PhysRevLett.116.256403
Doi http://dx.doi.org/10.1103/PhysRevLett.116.256403
Obor Fyzika pevných látek a magnetismus
Klíčová slova strong correlations;excitonic condensation;dmft
Popis Spin textures in k-space arising from spin-orbit coupling in noncentrosymmetric crystals find numerous applications in spintronics. We present a mechanism that leads to the 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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