roton

n.

旋子；

Bound Roton Pairs in Superfluid Helium
Roton-maxon spectrum and stability of trapped dipolar Bose-Einstein condensates
Roton-type mode softening in a quantum gas with cavity-mediated long-range interactions
Manifestations of the roton mode in dipolar Bose-Einstein condensates
Magneto-roton theory of collective excitations in the fractional quantum Hall effect.
Observation of roton density of states in two-dimensional Landau-level excitations.
Experimental Evidence for a Two-Roton Bound State in Superfluid Helium
Three-dimensional roton excitations and supersolid formation in Rydberg-excited Bose-Einstein condensates
Variational theory of bulk 4He with shadow wave functions: Ground state and the phonon-maxon-roton spectrum
Condensation, excitation, pairing, and superfluid density in high-$T_{c}$ superconductors: magnetic resonance mode as a roton analog...