Structure factor of low-energy spin excitations in a S=1/2 kagome antiferromagnet
arXiv:1004.2293 · doi:10.1103/PhysRevB.81.214445
Abstract
The ground state of the S=1/2 Heisenberg antiferomagnet on kagome can be viewed as a collection of fermionic spinons bound into small, heavy singlet pairs. Low-energy magnetic excitations in this system correspond to breaking the pairs into individual spinons. We calculate the structure factor for inelastic neutron scattering from independent spinon pairs.
9 pages. Revised in response to referee reports. References added
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