Structure factor of low-energy spin excitations in a S=1/2 kagome antiferromagnet

Details Structure factor of low-energy spin excitations in a S=1/2 kagome antiferromagnet Structure factor of low-energy spin excitations in a S=1/2 kagome antiferromagnet

2010-04-14

arxiv.org/abs/1004.2293v2

Phys. Rev. B 81, 214445 (2010)

Physics

Condensed Matter

Strongly Correlated Electrons

9 pages. Revised in response to referee reports. References added

Scientific paper

10.1103/PhysRevB.81.214445

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.

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