Department of Physics Papers

Document Type

Journal Article

Date of this Version

7-3-1967

Publication Source

Physical Review Letters

Volume

19

Issue

1

Start Page

30

Last Page

33

DOI

10.1103/PhysRevLett.19.30

Abstract

A compact expression for the energy shift and inverse lifetime (energy width) of spin waves in a Heisenberg ferromagnet at low temperatures is given. The two-particle bound states are observable via the resonance they cause in the self-energy of spin waves.

Share

COinS
 

Date Posted: 12 August 2015

This document has been peer reviewed.