|Jul13-12, 04:14 PM||#1|
Magnons Dispersion Relation
Can anyone explain to me why, concept wise (not from calculations that I get it), is the dispersion relation of magnons (spin waves) quadratic in [itex]k[/itex] for small wavelengths?
Also, can you give me other examples where such behavior appears?
|magnon, spin wave|
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