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Bosonic Many-body Theory of Quantum Spin Ice
Zhihao Hao, Alexandre G. R. Day, M. J. P. Gingras
We carry out an analytical study of quantum spin ice, a U quantum spin liquid close to the classical spin ice solution for an effective spin model with anisotropic excha…
Phase Transition and Thermal Order-by-Disorder in the Pyrochlore Quantum Antiferromagnet Er2Ti2O7: a High-Temperature Series Expansion Study
J. Oitmaa, R. R. P. Singh, A. G. R. Day +2
Several rare earth magnetic pyrochlore materials are well modeled by a spin-1/2 quantum Hamiltonian with anisotropic exchange parameters Js. For the Er2Ti2O7 material, the Js were…
Is the Yb2Ti2O7 pyrochlore a quantum spin ice?
R. Applegate, N. R. Hayre, R. R. P. Singh +3
We use numerical linked cluster (NLC) expansions to compute the specific heat, C(T), and entropy, S(T), of a quantum spin ice model of Yb2Ti2O7 using anisotropic exchange interacti…