Abstract
The unusual features of bound states and scattering amplitudes for two weakly interacting quasi-particles with the dispersion law ε(k) ≃ |k| at small |k| are considered. The connections with solid state systems are discussed.
Original language | English (US) |
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Pages (from-to) | 477-480 |
Number of pages | 4 |
Journal | Physics Letters A |
Volume | 152 |
Issue number | 9 |
DOIs | |
State | Published - Feb 11 1991 |
ASJC Scopus subject areas
- General Physics and Astronomy