Kudasov Yu. B. 1,2
1Sarov Physics and Technology Institute of the National Research Nuclear University MEPhI, Sarov, Nizhny Novgorod oblast, Russia
2Federal State Unitary Enterprise "Russian Federal Nuclear Center - All-Russian Research Institute of Experimental Physics", Sarov, Nizhny Novgorod Region, Russia
Email: kudasov@ntc.vniief.ru
A spin system with helical order can exhibit nontrivial topology of the band structure. An example of such a system is the metallic delafossite PdCrO2. To describe its transport properties, a simple two-dimensional quasi-isotropic model of the Fermi surface has been proposed, which takes into account the emergence of spin texture, i. e., it consists of alternating fragments with opposite spin polarization. It has been shown that this model can explain the emergence of non-reciprocal electronic transport observed in the metallic delafossite PdCrO2, as well as the unusual anomalous Hall effect. Keywords: Helical ordering, Band structure, Fermi surface, Electronic transport, Metallic delafossites, PdCrO2.
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Дата начала обработки статистических данных - 27 января 2016 г.