Electronic Resource
Springer
Journal of low temperature physics
5 (1971), S. 353-362
ISSN:
1573-7357
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract A speculative roton Hamiltonian is used to calculate scattering cross sections in the two-dimensional problem. For the hard-cylinder interaction, one gets the same result as that obtained by the usual wave scattering in the high-energy limit. The variational calculation for the roton-vortex interactionP ·v s yields the temperature-independent momentum-transfer cross section σT ≈ 8 Å, improving the results obtained before by other methods.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00629710
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