On the mechanisms of strong magnetic field excitation at the interaction of ultraintense short laser pulse with an plasma target

Abstract

By means of a 2.5 - dimensional numerical simulation on the macroparticles method it is possible to find the magnetic field spatial and temporal distribution without usage an adapted parameter unlike of the conventional ◊nx◊ T mechanism. On the other hand, theoretical model for the generation of a magnetic field proposed by R. Sudan is not appropriate, this model being very large ratio of plasma density to critical density and when the ◊nx◊ Tcontribution is not relevant.