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|Abstract:||Core hole resonance is used in X-ray spectroscopy to incisively probe the local electronic states of many-body systems. Here, resonant inelastic X-ray scattering (RIXS) is studied as a function of incident photon energy on Mott insulators SrCuO2 and NiO to examine how resonance states decay into different excitation symmetries at the transition metal M-, L- and K-edges. Quantum interference patterns characteristic of the two major RIXS mechanisms are identified within the data, and used to distinguish the attosecond scale scattering dynamics by which fundamental excitations of a many-body system are created. A function is proposed to experimentally evaluate whether a particular excitation has constructive or destructive interference in the RIXS cross-section, and corroborates other evidence that an anomalous excitation is present at the leading edge of the Mott gap in quasi-one dimensional SrCuO2.|
|Electronic Publication Date:||27-Jan-2015|
|Citation:||Wray, L Andrew, Huang, Shih-Wen, Xia, Yuqi, Hasan, M. Zahid, Mathy, Charles, Eisaki, Hiroshi, Hussain, Zahid, Chuang, Yi-De. (2015). Experimental signatures of phase interference and subfemtosecond time dynamics on the incident energy axis of resonant inelastic x-ray scattering. Physical Review B, 91 (3), 10.1103/PhysRevB.91.035131|
|Pages:||1 - 12|
|Type of Material:||Journal Article|
|Journal/Proceeding Title:||Physical Review B|
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