Cavity Controls Core-to-Core Resonant Inelastic X-ray Scattering
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arXiv
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| Main Authors: | , , , , , , , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866911438963998720 |
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| author | Wang, S. -X. Zhao, Z. -Q. Wang, X. -Y. Li, T. -J. Su, Y. Uemura, Y. Lima, F. Alves Khadiev, A. Wang, B. -H. Ablett, J. M. Rueff, J-P. Wang, H. -C. Fox, O. J. L. Li, W. -B. Zhu, L. -F. Huang, X. -C. |
| author_facet | Wang, S. -X. Zhao, Z. -Q. Wang, X. -Y. Li, T. -J. Su, Y. Uemura, Y. Lima, F. Alves Khadiev, A. Wang, B. -H. Ablett, J. M. Rueff, J-P. Wang, H. -C. Fox, O. J. L. Li, W. -B. Zhu, L. -F. Huang, X. -C. |
| contents | X-ray cavity quantum optics with inner-shell transitions has been hindered by the overlap between resonant and continuum states. Here, we report the first experimental demonstration of cavity-controlled co-to-core resonant inelastic x-ray scattering (RIXS). We eliminate the effects of the absorption edge by monitoring the RIXS profile, thereby resolving the resonant state from the overlapping continuum. We observe distinct cavity-induced energy shifts and cavity-enhanced decay rate in the $2p3d$ RIXS spectra of WSi$_{2}$. These effects, manifesting as stretched or shifted profiles in the RIXS planes, enable novel spectroscopic applications by cavity-controlled core-hole states. Our results establish core-to-core RIXS as a powerful tool for manipulating inner-shell dynamics in x-ray cavities, offering new avenues for integrating quanutm optical effects with x-ray spectroscopy. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2508_19384 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Cavity Controls Core-to-Core Resonant Inelastic X-ray Scattering Wang, S. -X. Zhao, Z. -Q. Wang, X. -Y. Li, T. -J. Su, Y. Uemura, Y. Lima, F. Alves Khadiev, A. Wang, B. -H. Ablett, J. M. Rueff, J-P. Wang, H. -C. Fox, O. J. L. Li, W. -B. Zhu, L. -F. Huang, X. -C. Atomic Physics X-ray cavity quantum optics with inner-shell transitions has been hindered by the overlap between resonant and continuum states. Here, we report the first experimental demonstration of cavity-controlled co-to-core resonant inelastic x-ray scattering (RIXS). We eliminate the effects of the absorption edge by monitoring the RIXS profile, thereby resolving the resonant state from the overlapping continuum. We observe distinct cavity-induced energy shifts and cavity-enhanced decay rate in the $2p3d$ RIXS spectra of WSi$_{2}$. These effects, manifesting as stretched or shifted profiles in the RIXS planes, enable novel spectroscopic applications by cavity-controlled core-hole states. Our results establish core-to-core RIXS as a powerful tool for manipulating inner-shell dynamics in x-ray cavities, offering new avenues for integrating quanutm optical effects with x-ray spectroscopy. |
| title | Cavity Controls Core-to-Core Resonant Inelastic X-ray Scattering |
| topic | Atomic Physics |
| url | https://arxiv.org/abs/2508.19384 |