Cross-shell multielectron ionization of xenon by an ultrastrong field

被引:16
作者
DiChiara, A [1 ]
Palaniyappan, S [1 ]
Falkowski, AF [1 ]
Huskins, EL [1 ]
Walker, BC [1 ]
机构
[1] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA
关键词
D O I
10.1088/0953-4075/38/10/L08
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Ultrastrong field ionization of Xe from 10(14) W cm(-2) to 10(18) W cm(-2) is measured for states as high as Xe+10. Ionization of all charge states involves correlated multielectron processes in addition to the normal 'sequential' field ionization mechanism, where electrons are ionized independently, one after another. Correlated 'nonsequential' multielectron ionization has been observed even between electrons in different shells. Measurements of sequential ionization agree with a semiclassical tunnelling ionization model, but a relativistic rescattering model accounts for only 1% of the observed nonsequential multielectron yield.
引用
收藏
页码:L183 / L190
页数:8
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