Pair production in strong SU(2) background fields

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• 作者：Mo-Ran Jia ; Zi-Liang Li ; Chong Lv ; Feng Wan ; Bai-Song Xie
• 关键词：pair production ; SU(2) ; gauge chromoelectric field ; classical and semiclassical technique ; Boltzmann–Vlasov equation
• 刊名：Frontiers of Physics
• 出版年：2017
• 出版时间：October 2017
• 年：2017
• 卷：12
• 期：5
• 全文大小：2,049 KB
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Chinese Library of Science
  
• 出版者：Higher Education Press, co-published with Springer-Verlag GmbH
• ISSN：2095-0470
• 卷排序：12

文摘

Fermion particle pair production in strong SU(2)-gauge chromoelectric fields is studied using the Boltzmann–Vlasov equation in a classical way. The existence of a preproduction process in a classical description is shown using the distribution evolution of non-Abelian particle production. It is interesting to find that the distribution of the particle number density is centered on two islands and shows a split on the color charge sphere as it evolves, ultimately reaching a steady state that is related to the amplitude and variation of the field.