Spin structure factor and thermodynamics in the antiferromagnetic quantum Ising model in the pyrochlore lattice

Details Spin structure factor and thermodynamics in the antiferromagnetic quantum Ising model in the pyrochlore lattice Spin structure factor and thermodynamics in the antiferromagnetic quantum Ising model in the pyrochlore lattice

2011-11-09

arxiv.org/abs/1111.2086v1

Physics

Condensed Matter

Statistical Mechanics

6 pages, 7 figures

Scientific paper

We numerically compute the temperature dependence of spin structure factor and thermodynamic quantities in the antiferromagnetic quantum Ising model in the pyrochlore lattice. This model exhibits spin disorder ground state with exponentially-decayed spin correlation. We reproduce the temperature dependence of the pinch point structure in the neutron scattering experiment and correct entropy obtained from the measurement of the specific heat.

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