Degeneracies of discrete and continuum states with the Dirac sea in the pair-creation process

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	Degeneracies of discrete and continuum states with the Dirac sea in the pair-creation process
	Lv, QZ ; Liu, Y ; Li, YJ ; Grobe, R ; Su, Q
刊名	PHYSICAL REVIEW A
	2014
卷号	90 期号:1
ISSN号	1050-2947
通讯作者	Lv, QZ (reprint author), China Univ Min & Technol, State Key Lab GeoMech & Deep Underground Engn, Beijing 100083, Peoples R China.
中文摘要	By solving the quantum field theoretical Dirac and Klein-Gordon equations numerically we analyze the different roles of discrete and continuum states for the pair-creation process from the vacuum. If this process is solely induced by discrete states that have become degenerate with the negative energy continuum, the complex scaling method can predict the time scales associated with the bosonic as well as fermionic growth of the particle yield. We show that for bosons the long-time exponential growth behavior is not affected by additional continuum-continuum degeneracies, while for fermions they characterize the asymptotic (linear) growth. We illustrate the impact of these degeneracies on the temporally resolved energy and spatial distributions of the created particles.
资助信息	NSF; National Basic Research (973) Program of China [2013CBA01504]; NSFC [11128409, 11374360]; NSF [OCI-1053575]
语种	英语
公开日期	2015-04-14
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/59470]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Lv, QZ,Liu, Y,Li, YJ,et al. Degeneracies of discrete and continuum states with the Dirac sea in the pair-creation process[J]. PHYSICAL REVIEW A,2014,90(1).
APA	Lv, QZ,Liu, Y,Li, YJ,Grobe, R,&Su, Q.(2014).Degeneracies of discrete and continuum states with the Dirac sea in the pair-creation process.PHYSICAL REVIEW A,90(1).
MLA	Lv, QZ,et al."Degeneracies of discrete and continuum states with the Dirac sea in the pair-creation process".PHYSICAL REVIEW A 90.1(2014).