The Polarization Projected Density Matrix: A Practical Way to Recover Molecular Frame Information from Isotropic Samples
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866913943141744640 |
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| author | Thurston, R. L. Shivaram, N. Weber, Th. Tan, L. Z. Slaughter, D. S. |
| author_facet | Thurston, R. L. Shivaram, N. Weber, Th. Tan, L. Z. Slaughter, D. S. |
| contents | 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. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_00978 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The Polarization Projected Density Matrix: A Practical Way to Recover Molecular Frame Information from Isotropic Samples Thurston, R. L. Shivaram, N. Weber, Th. Tan, L. Z. Slaughter, D. S. Chemical Physics 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. |
| title | The Polarization Projected Density Matrix: A Practical Way to Recover Molecular Frame Information from Isotropic Samples |
| topic | Chemical Physics |
| url | https://arxiv.org/abs/2503.00978 |