激光等离子体相互作用中产生的磁场与电子热传导

本文应用三维相对论电磁粒子模拟程序，研究超强超短脉冲激光与等离子体薄靶的相互作用中产生的磁场与电子热传导。研究结果表明，被激发的磁场使电子束在非常短的距离内沉积能量，同时对在激光有质动力推开电子时形成的电子热流产生抑制作用。对这些物理过程的细致研究对更好的理解快点火物理中自生磁场的产生，快电子输运等过程有重要意义。

Magnetic Field and Electron Thermal Conduction by Ultra-intense Laser -plasma Interaction

In this research, by using three-dimensional electromagnetic relativistic practice in cell simulation magnetic field, the electron thermal conduction by ultra-intense laser plasma interaction is studied. The result shows that the strong magnetic field excited by instability makes the electron beam deposit the energy within very short distance, meanwhile, restrain the electron thermo current formed when the laser ponder motive force burst through the electron. These results may be important to understand the spontaneous magnetic field generation and fast electron propagation in fast ignition physics.