Entangled Valence Electron-Hole Dynamics Revealed by Stimulated Attosecond X-ray Raman Scattering

被引：25

作者：

Healion, Daniel ^{[1
]}

Zhang, Yu ^{[1
]}

Biggs, Jason D. ^{[1
]}

Govind, Niranjan ^{[2
]}

Mukamel, Shaul ^{[1
]}

机构：

[1] Univ Calif Irvine, Dept Chem, Irvine, CA 92697 USA

[2] Pacific NW Natl Lab, William R Wiley Environm Mol Sci Lab, Richland, WA 99352 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY LETTERS | 2012年 / 3卷 / 17期

基金：

美国国家科学基金会; 美国国家卫生研究院;

关键词：

DENSITY-FUNCTIONAL THEORY; SPECTROSCOPY;

D O I：

10.1021/jz300981w

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We show that broadband X-ray pulses can create wavepackets of valence electrons and holes localized in the vicinity of a selected atom (nitrogen, oxygen, or sulfur in cysteine) by stimulated resonant Raman scattering. The subsequent dynamics reveals highly correlated motions of entangled electron and hole quasiparticles. This information goes beyond the time-dependent total charge density derived from X-ray diffraction.

引用

页码：2326 / 2331

页数：6

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