Particle self-bunching in the Schwinger effect in spacetime-dependent electric fields.
Particle self-bunching in the Schwinger effect in spacetime-dependent electric fields.
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DOI：
10.1103/physrevlett.107.180403
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发表时间：
2011-06
影响因子：
8.6
通讯作者：
F. Hebenstreit;Reinhard Alkofer;Holger Gies
中科院分区：
文献类型：
--
作者：
F. Hebenstreit;Reinhard Alkofer;Holger Gies
本文基于1+1维的Dirac-Heisenberg-Wigner理论研究了非微扰电子-正电子对的产生（Schwinger效应）。在一个简单的空间和时间相关的电场脉冲的存在下的Schwinger效应的从头计算进行的第一次，允许的可观察的量，如电荷密度，粒子数密度或创建的粒子的总数的时间演化的计算。我们预测了一个新的自聚束效应的电荷在相空间由于脉冲的空间和时间结构。
Nonperturbative electron-positron pair creation (the Schwinger effect) is studied based on the Dirac-Heisenberg-Wigner formalism in 1+1 dimensions. An ab initio calculation of the Schwinger effect in the presence of a simple space- and time-dependent electric field pulse is performed for the first time, allowing for the calculation of the time evolution of observable quantities such as the charge density, the particle number density or the total number of created particles. We predict a new self-bunching effect of charges in phase space due to the spatial and temporal structure of the pulse.