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. 2009 May 15;102(19):197202.
doi: 10.1103/PhysRevLett.102.197202. Epub 2009 May 15.

Chiral paramagnetic skyrmion-like phase in MnSi

C Pappas  1 , E Lelièvre-Berna, P Falus, P M Bentley, E Moskvin, S Grigoriev, P Fouquet, B Farago
Affiliations

Chiral paramagnetic skyrmion-like phase in MnSi

C Pappas et al. Phys Rev Lett. .

Abstract

We present a comprehensive study of chiral fluctuations in the reference helimagnet MnSi by polarized neutron scattering and neutron spin echo spectroscopy, which reveals the existence of a completely left-handed and dynamically disordered phase. This phase may be identified as a spontaneous Skyrmion phase: it appears in a limited temperature range just above the helical transition T_{C} and coexists with the helical phase at T_{C}.

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