High-Frequency Expansion of Memory Function in Classical Simple Liquids. III : Liquid Metals
スポンサーリンク
概要
- 論文の詳細を見る
Collective modes in liquid metals are studied by applying the memory function formalism to a generalized Langevin equation satisfied by the density fluctuaion of ions. A high-frequency expansion of the memory function is used to make a systematic analysis of the dynamical structure factor S(k, ω). Numerical calculations of the dispersion curved of collective modes are made for liquid Na, Rb and Pb by using suitable model pseudo-potentials. The characteristics of the dispersion curves are shown to be similar to these of liquid Ar. These are compared with the results of tne inelastic neutron scattering measurement in the vicinity of the first peak of the static structure factor and good agreement is obtained. It is shown that the contribution from the terms containing the three-body correlation function seems to be different from the case of liquid Ar.
- 理論物理学刊行会の論文
- 1976-11-25
著者
-
YOSHIDA Fukuo
Research Reactor Institute, Kyoto University
-
Yoshida Fukuo
Research Reactor Institute Kyoto University
-
Yoshida Fukuo
Reseaerch Reactor Institute Kyoyo University
関連論文
- Oscillatory Dynamical Correlations and Elementary Excitations in Liquid He^4 : Condensed Matter and Statistical Physics
- Dynamical Effects of the Landau Parameter F_2 in Normal Fermi Liquids
- Impurity Localized Vibrational Mode of the Toda Lattice. I : Perturbational Approach Based on the Inverse Scattering Method
- The Landau Parameter F_2 and Zero Sounds in Liquid ^3He
- Dynamical Structure Factor in the Electron Liquid
- Soliton Solution in a One-Dimensional Nonlinear Lattice with (2,1) Lennard-Jones Potential
- Impurity Localizad Vibrational Mode of the Tda Lattice. II : Computer Simulations
- Scattering of Lattice Solitons and the Excitation of Impurity Modes
- A Self-Consistent Theory of Memory Function in Classical Simple Liquids. I : Incoherent Scattering Law S_s (k,ω)
- Structure Relaxation in Super-Cooled Liquids
- Dynamical Structure Factor and Elementary Excitations in Liquid He^3
- Molecular Reorientational Correlations and Incoherent Scattering Law
- High-Frequency Expansion of Memory Function in Classical Simple Liquids. III : Liquid Metals
- Dynamical Structure Factor and Elementary Excitations in Normal Liquid He^3
- High-Frequency Expansion of Memory Function in Classical Simple Liquids
- Local-Field Correction and Dynamical Structure Factor of Electron Liquids
- High-Frequency Expansion of Memory Function in Classical Simple Liquids. II : Transverse Collective Modes
- Dynamical Structure Factor and Collective Modes in Classical One-Component Plasmas
- A Self-Consistent Theory of Memory Function in Calssical Simple Liquids. II : Dynamical Structure Factor and Current-Current Correlation Function
- A Self-Consistent Theory of Response Function and Effective Potential : A General Theory of Density Fluctuations in Classical and Quantum Liquids