Comment on the Theory of Two-Roton Bound States
- 1 July 1972
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 6 (1) , 512-514
- https://doi.org/10.1103/physreva.6.512
Abstract
We argue that the recent calculations of Ruvalds and Zawadowski only make sense in the context of a semiphenomenological quantum-hydrodynamic Hamiltonian. In particular, the hybridizing strength is not expected to be simply related to the microscopic condensate fraction .
Keywords
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