Open lecture of the President of the Russian Academy of Sciences, Deputy Chairman of the Commission of Russian Federation for UNESCO academician Vladimir FORTOV at the "Collège de France"

    Official web-site of Russian Center for Science and Culture in Paris

     On October, 22 an Open lecture by RAS President, Vice-President of the Commission of the Russian Federation for UNESCO academician Vladimir Fortov will be held at the Paris Institute "Collège de France"on the theme of "Extreme states of matter on Earth and in Space" (in English).

     The lecture will present the results of the study of the behavior of substances at extremely high pressures and temperatures, which is possible to obtain in the laboratory by means of accumulation of kinetic or electromagnetic energy. The presentation will address a variety of states of matter and the processes occurring under the action of gravity and thermonuclear energy.

      Starting at 17.30. Details and registration: science.crsc@gmail.com.

      Information of the Russian Center for Science and Culture in Paris

Plasma at extremely high pressures and temperatures plays an important role for understanding the structure and evolution of astrophysical objects: neutron and quark “strange” stars, black halls, pulsars, supernovas, magnetars, giant-planets, exaplanets, and many technologies.

Pulsed methods for generation of extremely high pressures in the dense nonideal plasma based on the compression and heating of matter in intense shock waves and waves of adiabatic expansion, are discussed.

To generate shock impulses in the megabar pressure range the cylindrical and spherical condensed high explosive charges, laser and corpuscular beams, high velocity impacts, and soft X-rays are broadly used.

The experimental data obtained by the shock wave techniques and the physical models of strongly coupled plasma physical properties at high pressures, temperatures and energy densities are discussed: the metallization and dielectrization of strongly compressed plasma, high temperature thermodynamics and phase transitions, deformation of energy spectrum of compressed ions and atoms.

We present the plasma physical properties and phase transformation in a broad range of pressure up to 10³⁰ bar – few microseconds after Big-Bang.

The analysis of plasma properties in the astrophysical objects and their transformation are presented.

The properties of quark-gluon plasma which is generated as a result of relativistic ion collisions are analyzed.

Based on the experimental data the wide-range semi-empirical equations of state and the states and models of plasma transport properties are constructed.

These semi-empirical models were used for multidimensional numerical simulation of pulsed high-energy processes.