Spin diffusion in geometrically frustrated Heisenberg antiferromagnets
arXiv:cond-mat/0308286 · doi:10.1088/0953-8984/15/37/L04
Abstract
We investigate spin diffusion in geometrically frustrated Heisenberg antiferromagnets. It is found that the diffusion constant gradually increases from its high temperature limit as the temperature approaches the peak temperature of the susceptibility. Below the peak, the exponential decrease in the susceptibility leads to a rapid increase in the rate of spin diffusion. Detailed results are presented for the pyrochlore lattice with nearest-neighbor interactions.
arXiv commentTo appear in J. Phys.: Condensed Matter
References in corpus (5)
- Spin Ice State in Frustrated Magnetic Pyrochlore Materials
- Emergent excitations in a geometrically frustrated magnet
- Local spin resonance and spin-Peierls-like phase transition in a geometrically frustrated antiferromagnet
- Magnetic properties of the frustrated AFM spinel ZnCr_2O_4 and the spin-glass Zn_{1-x}Cd_xCr_2O_4 (x=0.05,0.10)
- Quantum generalized constant coupling model for geometrically frustrated antiferromagnets
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- Spin dynamics in paramagnetic diluted magnetic semiconductors