FM and AFM magnon dispersion

[jksy]

How calculate the DOS from the one dimensional AFM and FM magnon dispersion relations given in Kittel? What is there limiting form as q -> 0, and how does this affect the spin entropy?

 

[Greg Bernhardt]

Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?