Publication

Correlations and fluctuations in the 2D Heisenberg antiferromagnet

2001
Journal Articles

Abstract

The correlations and fluctuations in Cu(DCOO)(2). 4D(2)O, which is a good physical realization of the 2D S = 1/2 Heisenberg antiferromagnet on a square lattice, have been measured by neutron scattering measurements. The quantum fluctuations cause a non-uniform. renormalization of the spin-wave dispersion with a zone boundary dispersion of 7%, while the spin wave amplitude is reduced to 51 +/- 4% of its classical value. The temperature dependence of the correlation length, the spin-wave damping and the spin-wave softening agrees with theoretical predictions over a large temperature range.

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https://infoscience.epfl.ch/entities/publication/d35fafa8-efb1-4b38-90c5-ea4506d1408d

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2001
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/d35fafa8-efb1-4b38-90c5-ea4506d1408d

About this result

Related concepts (32)

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Correlations and fluctuations in the 2D Heisenberg antiferromagnet

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