Microscopic Derivation of the Roton-Roton Interaction

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概要

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• The microscopic derivation of the interaction between rotons is presented both for large values of the total momentum Q and for Q=0. Calculating the scattering amplitude of the roton pairs by use of the second-order perturbation theory, we have obtained effective roton-roton interactions which have the order of magnitude of 10^<-38> erg・cm^3 for the large momentum and 10^<-39> erg・cm^3 for Q=0. These values are consistent with the results of the viscosity coefficients measurement and the Raman scattering experiment, respectively.

• 理論物理学刊行会の論文
• 1980-04-25

著者

• SUGIYAMA Toshio

  Department of Gastroenterology, Hokkaido University Graduate School of Medicine

• Sugiyama Toshio

  Department Of Physics Tokyo Metropolitan University

• SUGIYAMA Toshio

  Department of Physics, Tokyo Metropolitan University

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• Microscopic Derivation of the Roton-Roton Interaction

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