Giant retardation effect in electron-electron interaction

被引：7

作者：

Hu, Zhimin ^{[1
]}

Xiong, Gang ^{[2
,3
]}

He, Zhencen ^{[1
,2
]}

Yang, Zhihao ^{[1
]}

Numadate, Naoki ^{[4
]}

Huang, Chengwu ^{[3
]}

Yang, Jiamin ^{[3
]}

Yao, Ke ^{[2
]}

Wei, Baoren ^{[2
]}

Zou, Yaming ^{[2
]}

Wu, Chensheng ^{[5
]}

Ma, Yulong ^{[5
]}

Wu, Yong ^{[5
]}

Gao, Xiang ^{[5
,6
]}

Nakamura, Nobuyuki ^{[4
]}

机构：

[1] Sichuan Univ, Inst Nucl Sci & Technol, Key Lab Radiat Phys & Technol, Minist Educ, Chengdu 610064, Peoples R China

[2] Fudan Univ, Inst Modem Phys, Key Lab Nucl Phys & Ion Beam Applicat MOE, Shanghai 200433, Peoples R China

[3] China Acad Engn Phys, Laser Fus Res Ctr, Mianyang 621900, Sichuan, Peoples R China

[4] Univ Electrocommun, Inst Laser Sci, Tokyo 1828585, Japan

[5] Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China

[6] Beijing Computat Sci Res Ctr, Beijing 1000193, Peoples R China

来源：

PHYSICAL REVIEW A | 2022年 / 105卷 / 03期

基金：

中国国家自然科学基金;

关键词：

CONFIGURATION-INTERACTION CALCULATIONS; GROUND-STATE; HYDROGENLIKE; IMPACT;

D O I：

10.1103/PhysRevA.105.L030801

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In electron-electron interactions in electromagnetic systems, retardation in the exchange of a virtual photon is essentially important as the first-order quantum electrodynamics correction. However, the retardation effect is generally so small that it is buried in unretarded electric and magnetic interactions and thus has yet to be directly probed. Here, we present a giant contribution of the retardation effect in an electron-electron interaction via observing strong electric-dipole-allowed radiative transition rates. The relative transition rates are obtained for two dominant radiative transitions from the 1s2s(2)2p(1/2)2p(3/2) inner-shell excited state of boronlike tungsten and bismuth ions to 1s(2)2s(2)2p(1/2) and 1s(2)2s(2)2p(3/2), and it was found that the transition rate ratio between the two transitions is affected by the retardation effect up to more than 100%.

引用

页数：7

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