6 papers · 1 filter
Dissipative properties of a Fermi system within the diffusion approximation of kinetic theory
Sergiy V. Lukyanov
The dissipative properties of a Fermi system are studied within the diffusion approximation of kinetic theory for a model of a spherical atomic nucleus. An analytical solution of t…
Equilibrium state of a Fermi system in the diffusion approximation of kinetic theory
Sergiy V. Lukyanov
A consistent transformation from momentum space to energy space is performed for the diffusion equation within kinetic theory, with particle-number conservation explicitly preserve…
Relaxation of a single-particle excitation in a Fermi system within the diffusion approximation of kinetic theory
Sergiy V. Lukyanov
The time evolution of the Wigner distribution function for a single-particle excitation in a Fermi system was studied within the framework of the diffusion approximation of kinetic…
Relaxation of particle-hole type excitation in a Fermi system within the diffusion approximation of kinetic theory for the case of constant diffusion and drift coefficients
Sergiy V. Lukyanov
The time evolution of the distribution function for a particle-hole excitation in a Fermi system was calculated using the direct numerical solution of a nonlinear diffusion equatio…
Properties of the diffusion and drift kinetic coefficients in momentum space for a cold Fermi system
Sergiy V. Lukyanov
Using the methods of kinetic theory expressions for the diffusion and drift coefficients for a cold Fermi system are obtained. Their dependences on the momentum are calculated for…
Small damping approach in Fermi-liquid theory
V. M. Kolomietz, S. V. Lukyanov, S. Shlomo
The validity of small damping approximation (SDA) for the quasi-classical description of the averaged properties of nuclei at high temperatures is studied within the framework of c…