期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 16, 期 44, 页码 24323-24331出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cp03361b
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资金
- Chemical Sciences, Geosciences and Biosciences Division, Office of Basic Energy Sciences, Office of Science, U.S. Department of Energy
- National Science Foundation [CHE-1361516]
- National Institutes of Health [GM-59230]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1361516] Funding Source: National Science Foundation
We investigate computationally the valence electronic excitations of the amino acid glycine prepared by a sudden nitrogen core ionization induced by an attosecond X-ray pump pulse. The created superposition of cationic excited states is probed by two-dimensional transient X-ray absorption and by three dimensional attosecond stimulated X-ray Raman signals. The latter, generated by applying a second broadband X-ray pulse combined with a narrowband pulse tuned to the carbon K-edge, reveal the complex coupling between valence and core-excited manifolds of the cation.
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