The fluctuation spectrum for an isotropic ferromagnet at T=Tc to O(ε) is studied by a direct application of the equations of motion. The amplitude of the momentum-dependent relaxation rate is obtained to two-loop order and compared with experimental results.
No takes yet. Share an insight, caveat, or question.
Bhattacharjee et al. (1981) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: