QQ客服 官方微博 反馈留言

	Virtual states and the generalized completeness relation in the Friedrichs model
	Xiao, ZG; Zhou, ZY; Xiao, ZG (reprint author), Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China.
刊名	PHYSICAL REVIEW D
	2016
卷号	94期号:7页码:76006
DOI	http://dx.doi.org/10.1103/PhysRevD.94.076006
英文摘要	We study the well-known Friedrichs model, in which a discrete state is coupled to a continuum state. By examining the pole behaviors of the Friedrichs model in a specific form factor thoroughly, we find that, in general, when the bare discrete state is below the threshold of the continuum state, there should also be a virtual-state pole accompanying the bound-state pole originating from the bare discrete state as the coupling is turned on. There are also other second-sheet poles originating from the singularities of the form factor. We give a general argument for the existence of these two kinds of states. As the coupling is increased to a certain value, the second-sheet poles may merge and become higher-order poles. We then discuss the completeness relations incorporating bound states, virtual states, and resonant states corresponding to higher-order poles.
学科主题	Astronomy & Astrophysics ; Physics
语种	英语
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/21498]
专题	理论物理研究所_理论物理所1978-2010年知识产出
通讯作者	Xiao, ZG (reprint author), Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Anhui, Peoples R China.
推荐引用方式 GB/T 7714	Xiao, ZG,Zhou, ZY,Xiao, ZG . Virtual states and the generalized completeness relation in the Friedrichs model[J]. PHYSICAL REVIEW D,2016,94(7):76006.
APA	Xiao, ZG,Zhou, ZY,&Xiao, ZG .(2016).Virtual states and the generalized completeness relation in the Friedrichs model.PHYSICAL REVIEW D,94(7),76006.
MLA	Xiao, ZG,et al."Virtual states and the generalized completeness relation in the Friedrichs model".PHYSICAL REVIEW D 94.7(2016):76006.

个性服务

查看访问统计

相关权益政策

暂无数据

收藏/分享

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。