The Relativistic Magnetohydrodynamics beyond the ideal limit and rotating electromagnetic fields

by Mr Masoud Shokri (Department of Physics, Sharif University of Technology)

Wednesday 13 Sept 2017, 15:30 → 16:30 Asia/Tehran

Particles and Accelerators School Seminar Room (Larak)

The QGP as produced in relativistic heavy ion collisions is dominated by strong interactions. It is generally believed that the spacetime history of this system in parts of its lifetime can be effectively understood using relativistic hydrodynamics (RH). It is also believed that extraordinarily large electromagnetic fields is produced by collisions. However our understanding of their evolution is still unclear. Such questions must be addressed by studying effects of background electromagnetic fields on the yield particles, especially dileptons and photons which come from early times of the evolution. To investigate such effects, in addition to calculate the microscopic production rate of particles, we need to integrate over the space-time history. Therefore we need to understand the mutual evolution of background fields and QGP using relativistic magnetohydrodynamics (RMHD). We present a novel solution of RMHD by generalizing the self-similar solutions of RH. We show that a non-boost invariant rotation of electromagnetic fields and non-vanishing resistivity of the fluid significantly affects the quantities of interest including magnetic field's lifetime.