Antiferromagnetic CuMnAs: Ab initio description of finite temperature magnetism and resistivity
David Wagenknecht,
Karel Výborný,
Karel Carva
et al.
Abstract:Noncollinear magnetic moments in antiferromagnets (AFM) lead to a complex behavior of electrical transport, even to a decreasing resistivity due to an increasing temperature. Proper treatment of such phenomena is required for understanding AFM systems at finite temperatures; however first-principles description of these effects is complicated. With ab initio techniques, we investigate three numerically feasible models of spin fluctuations (magnons) influencing the transport in AFM CuMnAs. We numerically justif… Show more
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