Resonant inelastic x-ray scattering in metals: A diagrammatic approach
Abstract
We create a formalism to explore the Resonant Inelastic X-ray Scattering (RIXS) response in metals based on the diagrammatic expansion for its cross section. The standard method to the solution of the RIXS problem relies on two key approximations: short-range potentials and non-interacting conduction electrons. Yet, these approximations are inaccurate for charged particles in metals, where the long-range Coulomb interaction and dynamic screening effects are very important. Here, we study how to extract important information about collective excitations in the Coulomb plasma, plasmons and electron-hole pairs, from RIXS data. We find that single- and multi-plasmon excitations can easily be distinguished by positions of the corresponding peaks, singularities, and their intensities. We also discuss the hybrid processes, where plasmon emission is accompanied by excitation of electron-hole pairs, and study how they manifest themselves.
- Authors:
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1573866
- Alternate Identifier(s):
- OSTI ID: 1571406
- Report Number(s):
- BNL-212219-2019-JAAM
Journal ID: ISSN 2643-1564; PPRHAI; 033093
- Grant/Contract Number:
- SC0012704
- Resource Type:
- Published Article
- Journal Name:
- Physical Review Research
- Additional Journal Information:
- Journal Name: Physical Review Research Journal Volume: 1 Journal Issue: 3; Journal ID: ISSN 2643-1564
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Citation Formats
Tsvelik, A. M., Konik, R. M., Prokof'ev, N. V., and Tupitsyn, I. S. Resonant inelastic x-ray scattering in metals: A diagrammatic approach. United States: N. p., 2019.
Web. doi:10.1103/PhysRevResearch.1.033093.
Tsvelik, A. M., Konik, R. M., Prokof'ev, N. V., & Tupitsyn, I. S. Resonant inelastic x-ray scattering in metals: A diagrammatic approach. United States. https://doi.org/10.1103/PhysRevResearch.1.033093
Tsvelik, A. M., Konik, R. M., Prokof'ev, N. V., and Tupitsyn, I. S. Mon .
"Resonant inelastic x-ray scattering in metals: A diagrammatic approach". United States. https://doi.org/10.1103/PhysRevResearch.1.033093.
@article{osti_1573866,
title = {Resonant inelastic x-ray scattering in metals: A diagrammatic approach},
author = {Tsvelik, A. M. and Konik, R. M. and Prokof'ev, N. V. and Tupitsyn, I. S.},
abstractNote = {We create a formalism to explore the Resonant Inelastic X-ray Scattering (RIXS) response in metals based on the diagrammatic expansion for its cross section. The standard method to the solution of the RIXS problem relies on two key approximations: short-range potentials and non-interacting conduction electrons. Yet, these approximations are inaccurate for charged particles in metals, where the long-range Coulomb interaction and dynamic screening effects are very important. Here, we study how to extract important information about collective excitations in the Coulomb plasma, plasmons and electron-hole pairs, from RIXS data. We find that single- and multi-plasmon excitations can easily be distinguished by positions of the corresponding peaks, singularities, and their intensities. We also discuss the hybrid processes, where plasmon emission is accompanied by excitation of electron-hole pairs, and study how they manifest themselves.},
doi = {10.1103/PhysRevResearch.1.033093},
journal = {Physical Review Research},
number = 3,
volume = 1,
place = {United States},
year = {Mon Nov 11 00:00:00 EST 2019},
month = {Mon Nov 11 00:00:00 EST 2019}
}
https://doi.org/10.1103/PhysRevResearch.1.033093
Figures / Tables:
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