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Sum-frequency ionic Raman scattering

delete2018-05-16
delete69
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OA
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D
Dominik M. Juraschek *
S
Sebastian F. Maehrlein
DOI:10.1103/PhysRevB.97.174302delete
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Abstract

Abstract

En 中文
In a recent report, sum-frequency excitation of a Raman-active phonon was experimentally demonstrated. This mechanism is the sibling of impulsive stimulated Raman scattering, in which the difference-frequency components of a light field excite a Raman-active mode. Here, we propose that also ionic Raman scattering analogously has a sum-frequency counterpart. We compare the four Raman mechanisms, photonic and ionic difference- and sum-frequency excitation, for three different example materials using a generalized oscillator model for which we calculate the parameters with density functional theory. Sum-frequency ionic Raman scattering completes the toolkit for controlling material properties by means of selective excitation of lattice vibrations.
Keywords:
LIGHT-INDUCED SUPERCONDUCTIVITY
TOTAL-ENERGY CALCULATIONS
COHERENT
PHASE
GENERATION
1ST-ORDER
CRYSTAL
PHONONS
MATTER
PULSES
AI Summary

AI Summary

Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.

Journal

Physical Review B cover
Physical Review B
IF:
3.7
Papers:
15.4W
Citations:
41.0W

Organization

E
ETH Zurich
Scholars:
3.0W
Papers: 2.4W
Citations: 8.4W
S
swiss federal institutes of technology domain
Scholars:
9.0W
Papers: 8.0W
Citations: 163
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