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arXiv · 2503.00978

The Polarization Projected Density Matrix: A Practical Way to Recover Molecular Frame Information from Isotropic Samples

R. L. Thurston·N. Shivaram·Th. Weber·L. Z. Tan·D. S. Slaughter
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Abstract

We present a novel approach to model ultrafast time-dependent nonlinear optical polarization sensitive signals emitted from randomly-oriented molecules. By projecting the laboratory-frame analyzer polarization axis into the molecular frame and linking that axis with the density matrix through a tensor product, we demonstrate an approach to find a specific molecular orientation that yields a good approximation to simulated four-wave mixing signals produced by the same model but with averaging over molecular orientation.

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R. L. Thurston, N. Shivaram, Th. Weber, L. Z. Tan, D. S. Slaughter. 2025-03-02. The Polarization Projected Density Matrix: A Practical Way to Recover Molecular Frame Information from Isotropic Samples. https://doi.org/10.1063/5.0267487

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