An experiment in the late '90s managed to generate from a vacuum gamma photons and an occasional electron-positronpair.
上世纪九十年代下旬的一次实验试图从真空产生伽马光子以及偶电子-正电子对。
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After an immeasurably short time interval, the electron - positronpair recombine .
电子― 正电子偶经过一个不可测量的短暂时间间隔后就重新复合。
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This paper mainly introduces the research and progress of vacuum electronpositronpair production in ultra-intense fields studied by kinetic method, which also includes our recent works.