| Numéro |
J. Physique Lett.
Volume 40, Numéro 3, février 1979
|
|
|---|---|---|
| Page(s) | 57 - 61 | |
| DOI | https://doi.org/10.1051/jphyslet:0197900400305700 | |
J. Physique Lett. 40, 57-61 (1979)
DOI: 10.1051/jphyslet:0197900400305700
Physics Department, Imperial College, London SW7 2BZ, U.K.
7510J - Heisenberg and other quantized localized spin models magnetism.
7520 - Diamagnetism and paramagnetism.
7540 - Critical point effects, specific heats, short range order in magnetic materials.
Key words
Heisenberg model -- magnetic structure -- paramagnetism -- spin glasses -- spin waves -- magnetic systems -- paramagnetic regime -- spin glasses -- classical equation of motion -- spin field -- spin wave spectrum -- short range order -- Heisenberg magnet
DOI: 10.1051/jphyslet:0197900400305700
On spin-wave spectrum of systems without long-range magnetic order
J. Spalek et N. RivierPhysics Department, Imperial College, London SW7 2BZ, U.K.
Abstract
We summarize briefly our results concerning the calculations of the long-wavelength spin-wave spectrum of magnetic systems in the paramagnetic regime, and of spin glasses, within the classical equation of motion for the spin field S(r, t).
Résumé
Nous calculons le spectre d'énergie et l'atténuation des ondes de spin de grandes longueurs d'onde dans des systèmes magnétiques à l'état paramagnétique et dans des verres de spins, en partant des équations de mouvement d'un champ de spin classique S(r, t).
7510J - Heisenberg and other quantized localized spin models magnetism.
7520 - Diamagnetism and paramagnetism.
7540 - Critical point effects, specific heats, short range order in magnetic materials.
Key words
Heisenberg model -- magnetic structure -- paramagnetism -- spin glasses -- spin waves -- magnetic systems -- paramagnetic regime -- spin glasses -- classical equation of motion -- spin field -- spin wave spectrum -- short range order -- Heisenberg magnet