Matches in SemOpenAlex for { <https://semopenalex.org/work/W4309758064> ?p ?o ?g. }
- W4309758064 abstract "The honeycomb magnet $ensuremath{alpha}text{ensuremath{-}}{mathrm{RuCl}}_{3}$ is a prime candidate material for realizing the Kitaev quantum spin liquid (QSL), but it shows long-range magnetic order at low temperature. Nevertheless, its broad inelastic neutron scattering (INS) response at finite frequency has been interpreted as that of a ``proximate QSL.'' A moderate in-plane magnetic field indeed melts the residual zigzag order, giving rise to peculiar intermediate-field phases before the high-field polarized state. In INS measurements the low-frequency spin waves disappear, leading to a broad scattering continuum in the field-induced intermediate regime, whose nature is currently under debate. Here, we study the magnetic-field-dependent spin dynamics of the $Ktext{ensuremath{-}}mathrm{ensuremath{Gamma}}text{ensuremath{-}}{mathrm{ensuremath{Gamma}}}^{ensuremath{'}}$ model within a stochastic semiclassical treatment, which incorporates the effect of finite-temperature fluctuations. At temperatures relevant for INS experiments, we show how the excitations of the zigzag phase broaden and that the different intermediate phases all show a similar continuum response. We discuss the implications of our results for experiments and highlight the importance of distinguishing finite-temperature fluctuations from genuine quantum fractionalization signatures in frustrated magnets." @default.
- W4309758064 created "2022-11-29" @default.
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- W4309758064 date "2022-11-21" @default.
- W4309758064 modified "2023-10-14" @default.
- W4309758064 title "Thermal spin dynamics of Kitaev magnets: Scattering continua and magnetic field induced phases within a stochastic semiclassical approach" @default.
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- W4309758064 doi "https://doi.org/10.1103/physrevb.106.174428" @default.
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