Microscopic calculation of the dynamical correlations in two-dimensional quantum antiferromagnets at low temperatures:T=0results

28 August 1989

journal article
research article
Published by American Physical Society (APS) in Physical Review Letters

Vol. 63 (9), 1004-1007
https://doi.org/10.1103/physrevlett.63.1004

Abstract

We calculate the spin-spin relaxation function for a two-dimensional quantum antiferromagnet of arbitrary spin at low temperature from first principles. The calculation justifies the picture of the excitations of the system as a weakly interacting Bose gas of spin waves.

Keywords

This publication has 13 references indexed in Scilit:

Quantitative Determination of Quantum Fluctuations in the Spin-½ Planar Antiferromagnet
Physical Review Letters, 1989
Thermodynamic parameters of theT=0, spin-1/2 square-lattice Heisenberg antiferromagnet
Physical Review B, 1989
Magnetic dynamics of ${La}_{2}$ ${CuO}_{4}$ and ${La}_{2 - x}$ ${Ba}_{x}$ ${CuO}_{4}$
Physical Review Letters, 1989
Spin fluctuations and superconductivity in ${Ba}_{2}$ ${YCu}_{3}$ $O_{6 + δ}$
Physical Review Letters, 1988
The applicability of perturbation expansion to two-dimensional goldstone systems
Nuclear Physics B, 1983
Cancellations of infrared divergences in the two-dimensional non-linear ? models
Communications in Mathematical Physics, 1981
Cancellations of IR divergencies in two-dimensional chiral models
Physics Letters B, 1980
Exact results for the dynamics of the classical nearest-neighbour Heisenberg chain at low temperatures
Journal of Physics C: Solid State Physics, 1980
Spin-wave theory of critical dynamics in one- and two-dimensional Heisenberg models: Failure of the dynamic-scaling hypothesis and the mode-coupling theory
Physical Review B, 1980
Spin Dynamics in the One-Dimensional Antiferromagnet ${(C D_{3})}_{4}$ NMn ${Cl}_{3}$
Physical Review B, 1972

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