Abstract
A theory is presented for the depletion of superfluid density in a low-temperature Bose gas adsorbed on a surface. Longitudinal excitations are treated in a Bogoliubov type of approximation. Transverse modes are found to contribute significantly if the excitation energy of adatoms normal to the surface is small.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 5463-5465 |
| Number of pages | 3 |
| Journal | Physical Review B-Condensed Matter |
| Volume | 46 |
| Issue number | 9 |
| DOIs | |
| State | Published - 1992 |
All Science Journal Classification (ASJC) codes
- Condensed Matter Physics
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