Measurements of Self-Generated Magnetic Fields Influence on Electron Heat Conduction in Dense Plasmas
Abstract
Proton radiography measurements of self generated magnetic fields developing in long pulse (ns), high-power laser plasma interactions were employed to investigate the influence of these fields on the propagation of heat flow in dense plasmas. During the experiments, the heat wave propagation speed was measured simultaneously with the fields. These two coupled measurements could give an insight on the limitations of current numerical models of heat transport. They suggest that non locality of heat transport and diffusion of magnetic fields are important to model correctly the interaction.
- Publication:
-
The 2nd International Conference on Ultra-Intense Laser Interaction Science
- Pub Date:
- February 2010
- DOI:
- 10.1063/1.3326319
- Bibcode:
- 2010AIPC.1209...55L
- Keywords:
-
- plasma density;
- magnetohydrodynamic conversion;
- heat transfer;
- X-ray spectra;
- 52.25.Kn;
- 52.75.Fk;
- 44.40.+a;
- 52.38.Ph;
- Thermodynamics of plasmas;
- Magnetohydrodynamic generators and thermionic convertors;
- plasma diodes;
- Thermal radiation;
- X-ray gamma-ray and particle generation