期刊
PHYSICAL REVIEW LETTERS
卷 102, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.102.193001
关键词
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资金
- UK EPSRC
- Engineering and Physical Sciences Research Council [EP/E000223/1] Funding Source: researchfish
- EPSRC [EP/E000223/1] Funding Source: UKRI
We use the time-dependent R-matrix approach to investigate an ultrashort pump-probe scheme to observe collective electron dynamics in C(+). The ionization probability of a coherent superposition of the 2s2p(2) (2)D and (2)S states shows rapid modulation due to collective dynamics of the two equivalent 2p electrons, with the modulation frequency linked to the dielectronic repulsion. The best insight into this collective dynamics is achieved by a transformation from LS symmetry to the uncoupled basis. Such dynamics may be important in high-harmonic generation using open-shell atoms and ions.
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