Warke, C. S. ; Biswas, A. C. (1981) Time-dependent Hartree-Bose theory of two-dimensional superfluid 4He Physics Letters A, 84 (4). pp. 195-198. ISSN 0375-9601
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Official URL: http://www.sciencedirect.com/science/article/pii/0...
Related URL: http://dx.doi.org/10.1016/0375-9601(81)90755-6
Abstract
The time-dependent Hartree-Bose theory of a pair-condensed state of superfluid 4He is formulated. A KdV equation describing a non-linear finite-amplitude density-wave propagation is derived in the long-wavelength limit. The theory predicts the propagation of solitary waves produced by a cooling pulse to a localised region of the film and that the corresponding sound waves lag behind the solitary waves.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 55629 |
| Deposited On: | 18 Aug 2011 15:21 |
| Last Modified: | 18 Aug 2011 15:21 |
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