1.
Phys Rev Lett
; 84(12): 2646-9, 2000 Mar 20.
Artigo
em Inglês
| MEDLINE
| ID: mdl-11017290
RESUMO
Using inelastic neutron scattering, we have observed well-defined phonon-roton ( p-r) excitations in superfluid 4He in Vycor over a wide wave-vector range, 0.3
