Finite-temperature scaling of spin correlations in an experimental realization of the one-dimensional Ising quantum critical point

Abstract : Inelastic neutron scattering is used to study the finite-temperature scaling behavior of the local dynamic structure factor in the quasi-one-dimensional quantum antiferromagnet Ni[N, N'-bis(3-aminopropyl) propane-1,3-diamine](mu-NO2)ClO4 (NTENP), at its field-induced Ising quantum critical point. The validity and the limitations of the theoretically predicted scaling relations are tested.
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Physical Review B : Condensed matter and materials physics, American Physical Society, 2015, 92 (1), pp.014412. 〈10.1103/PhysRevB.92.014412〉
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https://hal.archives-ouvertes.fr/hal-01611027
Contributeur : Jérôme Planès <>
Soumis le : jeudi 5 octobre 2017 - 12:34:50
Dernière modification le : samedi 28 avril 2018 - 21:02:01

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M. Hälg, D. Huevonen, T. Guidi, D. L. Quintero-Castro, M. Boehm, et al.. Finite-temperature scaling of spin correlations in an experimental realization of the one-dimensional Ising quantum critical point. Physical Review B : Condensed matter and materials physics, American Physical Society, 2015, 92 (1), pp.014412. 〈10.1103/PhysRevB.92.014412〉. 〈hal-01611027〉

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