Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Comment on rotons in two-dimensional liquid helium II. [Bijl-Feynman theory]

Journal Article · · J. Low Temp. Phys.; (United States)
DOI:https://doi.org/10.1007/BF00657290· OSTI ID:7122128
The spectrum of rotons in two-dimensional liquid helium II is estimated within the Bijl--Feynman theory. Due to stronger short-range order and more effective back flow, the roton gap ..delta.. is found to be about half as big as the bulk roton energy.
OSTI ID:
7122128
Journal Information:
J. Low Temp. Phys.; (United States), Journal Name: J. Low Temp. Phys.; (United States) Vol. 25:5/6; ISSN JLTPA
Country of Publication:
United States
Language:
English

Similar Records

Two-roton bound state in helium II
Journal Article · Thu Jul 05 00:00:00 EDT 1979 · JETP Lett. (USSR) (Engl. Transl.); (United States) · OSTI ID:5362185

Two-dimensional rotons near a helium II-solid boundary
Journal Article · Wed May 20 00:00:00 EDT 1981 · JETP Lett. (Engl. Transl.); (United States) · OSTI ID:6266073

Electronic rotons and Wigner crystallites in a two-dimensional dipole liquid
Journal Article · Wed Oct 23 20:00:00 EDT 2024 · Nature · OSTI ID:2584223