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@article{van:2019:10.1063/1.5079319,
author = {van, Thor JJ},
doi = {10.1063/1.5079319},
journal = {The Journal of Chemical Physics},
title = {Coherent two-dimensional electronic and infrared crystallography},
url = {http://dx.doi.org/10.1063/1.5079319},
volume = {150},
year = {2019}
}

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TY  - JOUR
AB  - The two-dimensional electronic and infrared spectroscopy of oriented single crystals is sensitive to structure and point group symmetry. The third order response of crystals is generally different from measurements of isotropic solutions because each coherence path that contributes to the measured field scales to the ensemble average of the four-point correlation functions of the four field-dipole interactions involved in the respective Feynman paths. An analytical evaluation of 2D optical crystallography which depends on the crystal symmetry, laboratory orientation, and the orientation in the crystallographic frame is presented. Applying a symmetry operator in the basis of the allowed polarised radiation modes provides a method for evaluation of non-zero fourth rank tensor elements alternative to direct inspection methods. Uniaxial and biaxial systems are distinguished and the contributions to the rephasing and non-rephasing directions are evaluated for isolated and coupled oscillators. By exploiting coordinate analysis, the extension of non-linear electronic and infrared crystallography for coupled oscillators demonstrates the structural, directional, and symmetry dependent selection of coherences to the four-wave mixing signal.
AU  - van,Thor JJ
DO  - 10.1063/1.5079319
PY  - 2019///
SN  - 0021-9606
TI  - Coherent two-dimensional electronic and infrared crystallography
T2  - The Journal of Chemical Physics
UR  - http://dx.doi.org/10.1063/1.5079319
UR  - http://hdl.handle.net/10044/1/68563
VL  - 150
ER  -

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