%0 Journal Article
%A Xu, J.
%A Benton, Owen
%A Anand, V. K.
%A Islam, A. T. M. N.
%A Guidi, T.
%A Ehlers, G.
%A Feng, E.
%A Su, Y.
%A Sakai, A.
%A Gegenwart, P.
%A Lake, B.
%T Anisotropic exchange Hamiltonian, magnetic phase diagram, and domain inversion of Nd2Zr2O7
%J Physical review / B
%V 99
%N 14
%@ 2469-9950
%C Woodbury, NY
%I Inst.
%M FZJ-2019-02815
%P 144420
%D 2019
%X We present thermodynamic and neutron-scattering measurements on the quantum spin ice candidate Nd2Zr2O7. The parametrization of the anisotropic exchange Hamiltonian is refined based on high-energy-resolution inelastic neutron-scattering data together with thermodynamic data using linear spin-wave theory and numerical linked-cluster expansion. Magnetic phase diagrams are calculated using classical Monte Carlo simulations with fields along [100], [110], and [111] crystallographic directions which agree qualitatively with the experiment. Large hysteresis and irreversibility for [111] is reproduced and the microscopic mechanism is revealed by mean-field calculations to be the existence of metastable states and domain inversion. Our results shed light on the explanations of the recently observed dynamical kagome ice in Nd2Zr2O7 in [111] fields.
%F PUB:(DE-HGF)16
%9 Journal Article
%U <Go to ISI:>//WOS:000466385900003
%R 10.1103/PhysRevB.99.144420
%U https://juser.fz-juelich.de/record/862511