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Magnetic insulation in nitrogen subjected to crossed fields

机译:氮在交叉场中的磁绝缘

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In the E/N range from 150 to 400 Td (1 Td = 10-17 Vcm2), the combination of crossed magnetic fields resulting in avalanche growth inhibition in nitrogen are evaluated by means of a Monte Carlo simulation. The simulation technique employed analysis swarm development without any a priori assumptions on electron energy distribution functions and electron collisional frequencies. For the combined crossed fields evaluated, variation of number of free electrons, average positions of the swarm and pulsed Townsend energies with respect to sampling times are reported. The pulsed Townsend energies indicate considerable reduction in the mean energies when the electron avalanche at a given E/N is inhibited upon the application of a specific magnetic field value. Effectively reduced electric fields are calculated from the magnetic deflection angles obtained from the simulation. It is observed that the calculated effectively reduced fields with the related pulsed Townsend mean energies favor the effectively reduced field concept in the combined fields.
机译:在E / N范围从150到400 Td(1 Td = 10 -17 Vcm 2 )时,交叉磁场的组合会导致氮在雪崩中的生长受到抑制。通过蒙特卡洛模拟进行评估。该模拟技术采用了分析群的发展方法,而没有关于电子能量分布函数和电子碰撞频率的任何先验假设。对于评估的组合交叉场,报告了自由电子数,群的平均位置和脉冲汤森德能量相对于采样时间的变化。当给定E / N下的电子雪崩在施加特定磁场值时受到抑制时,脉冲的Townsend能量表明平均能量会大大降低。从模拟获得的磁偏转角计算出有效减小的电场。可以观察到,计算出的具有相关的汤森德平均脉冲能量的有效减小的磁场有利于组合场中的有效减小的磁场概念。

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