Configuration-interaction-induced dynamic spin polarization of the Ar*(2p1/2,3/2-14s1/2)J=1 resonant Auger decay -: art. no. 020701

被引：8

作者：

Lohmann, B

Langer, B

Snell, G

Kleiman, U

Canton, S

Martins, M

Becker, U

Berrah, N

机构：

[1] Univ Munster, Inst Theoret Phys, D-48149 Munster, Germany

[2] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany

[3] Max Born Inst Nichtlineare Opt & Kurzzeitspekt, D-12489 Berlin, Germany

[4] Western Michigan Univ, Dept Phys, Kalamazoo, MI 49008 USA

[5] Univ Hamburg, Inst Expt Phys, D-22761 Hamburg, Germany

来源：

PHYSICAL REVIEW A | 2005年 / 71卷 / 02期

关键词：

D O I：

10.1103/PhysRevA.71.020701

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Spin-resolved measurements of the Ar-*(2p(1/2,3/2)(-1)4s(1/2))(J=1) resonantly excited L2,3M2,3M2,3 Auger decay have been performed. The low resolution Auger spectrum, which due to cancellation between different multiplet components should exhibit virtually zero dynamic spin polarization, reveals an unexpected nonvanishing polarization effect. Calculations within a relativistic distorted wave approximation explain this effect as configuration-interaction (CI) induced. The CI generates experimentally unresolved fine structure components with low and high total angular momentum, giving rise to asymmetric cases where the high J part of certain multiplets is suppressed by internal selection rules for diagram lines. In this case, only the low J components survive with no partner for spin-polarization cancellation.

引用

页数：4

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