Excitations Liquid Osnscm 9 C

Presents an integrated theory of the characterizing phonon, roton, paramagnons, density, spin density excitations in quantum systems and how these are observed ... » 

Presents an integrated theory of the characterizing phonon, roton, paramagnons, density, spin density excitations in quantum systems and how these are observed in neutron scattering measurements. The common features of liquid 4He, liquid 3He and solid helium are emphasized. «