Theory of quasi-two-dimensional quantum solids. I. Two dimensional correlation and the application to4He monolayers adsorbed upon graphite

✍ Scribed by Hiroshi Namaizawa

• Publisher: Springer US
• Year: 1978
• Tongue: English
• Weight: 859 KB
• Volume: 31
• Category: Article
• ISSN: 0022-2291
• DOI: 10.1007/bf00116048

✦ Synopsis

The self-consistent reaction-matrix theory developed for bulk quantum solids is extended to quasi-two-dimensional quantum solids realized by 4He adsorbed upon graphite. The cohesive energy, chemical potential, spreading pressure, and inverse compressibility2at 0 K are calculated for 4He in the areal density range 0.076--0.120A-. Sound velocities and phonon spectra are also calculated and the characteristic temperatures of the simple twodimensional Debye model are derived. The theoretical results agree well with empirical values.