Multiple two-photon resonance-enhanced ionization of elements under natural conditions: Nebulae in the vicinity of hot stars

被引：3
|
作者：
Johansson, S [1 ]
Letokhov, VS
机构：
[1] Univ Lund, Dept Phys, S-221 Lund, Sweden
[2] Russian Acad Sci, Inst Spect, Troitsk 142190, Moscow Region, Russia
来源：
JETP LETTERS | 2001年 / 73卷 / 03期
关键词：
98.38.Ly; 98.38Bn; 32.80.Rm; 95.30.Dr;
D O I：
10.1134/1.1364537
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The possibility is considered of two-photon ionization of atomic particles, with the atomic (ion) level quantum being in quasi-resonance with an intense incoherent monochromatic VUV light under natural conditions, for example, inside planetary nebulae in the vicinity of bright stars. The collisionless resonance-enhanced photoionization mechanism considered may give rise to multiply charged ions as a result of successive (multiple) resonance-enhanced ionization of the photoions produced in a rarefied media with a very low rate of recombination. (C) 2001 MAIK "Nauka/Interperiodica".
引用
收藏
页码：118 / 120
页数：3
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