A.J. Kox

On relativistic kinetic gas theory: XIV. Transport coefficients of a binary mixture. General expressions

Abstract A relativistic method to calculate transport coefficients is developed for a binary mixture with arbitrary particle interaction. The heat conductivity, the diffusion coefficient, the thermal-diffusion coefficient, the shear viscosity and the volume viscosity are expressed in terms of relativistic omega integrals.

On relativistic kinetic gas theory: XIX. The electron-neutrino system

Abstract The diffusion coefficient for a mixture of electrons and electronic neutrinos is calculated as a function of the temperature.

On relativistic kinetic gas theory: XVII. Diffusion and thermal diffusion in a binary mixture of hard spheres

Abstract Results are given for the diffusion and thermal-diffusion coefficients of abinary mixture consisting of particles with constant differential cross-sections (“hard spheres”).

Statistical mechanics of a lipid monolayer

We calculate from first principles the equation of state of a simple type of membrane: a monolayer consisting of lipid chain molecules with short-range repulsive and long-range attractive forces. An approximate solution to the packing problem of the hydrocarbon chains is obtained by using a mathematical analogy with the quantum gas of hard disks. The long-range attractive forces are incorporated in a mean-field approximation. The results are in qualitative agreement with experiments.

On relativistic kinetic gas theory: XVIII. Diffusion in a Lorentz gas of hard spheres

Abstract The diffusion coefficient for a relativistic Lorentz gas of hard spheres is calculated with the help of two different methods. Numerical results are given for a wide range of temperatures.

Kinetic theory of transport coefficients of a relativistic binary mixture

Abstract Within the framework of relativistic kinetic theory expressions are derived for the diffusion and thermal diffusion coefficient of a binary mixture.

Diffusion and thermal diffusion coefficients of a relativistic gas mixture

Abstract Values up to order c -2 are given for the diffusion and thermal diffusion coefficients of binary relativistic gas mixtures of hard spheres and Israel particles.

Self-consistent field theory of a lipid monolayer

We present a mean-field theory which is specifically designed to take care of the effects of backfolding in lipid monolayers. Agreement with experiments on DPPC is fair.

On relativistic kinetic gas theory: XVI. The temperature dependence of the transport coefficients for a simple gas of hard spheres

Abstract Analytical and numerical results are obtained for the first three approximations to the transport coefficients of a simple gas consisting of massive particles with constant differential cross section. The complete temperature regime is studied, while special attention is paid to both the weakly-relativistic and the ultra-relativistic limiting cases. The behaviour of the successive approximations indicates that the series for the transport coefficients converge in a satisfactory way over the whole temperature range.

On the correct forms of the transport coefficients for a relativistic gas of hard spheres

The correct results for the transport coefficients of a relativistic gas of hard spheres are presented.