Manipulation of Superposed Vortex States of $γ$ Photon via Nonlinear Compton Scattering
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arXiv
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| Autores principales: | , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866908966247727104 |
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| author | Zhou, Jun-Lin Ababekri, Mamutjan Ren, Yong-Zheng Wang, Yu Guo, Ren-Tong Chen, Zhao-Hui Kou, Yu-Han Li, Zhong-Peng Li, Jian-Xing |
| author_facet | Zhou, Jun-Lin Ababekri, Mamutjan Ren, Yong-Zheng Wang, Yu Guo, Ren-Tong Chen, Zhao-Hui Kou, Yu-Han Li, Zhong-Peng Li, Jian-Xing |
| contents | Vortex $γ$ photons in superposition states have important applications in photonuclear, high-energy, and strong-field physics. However, their controlled generation in the $γ$-ray regime remains a great challenge. Here, we put forward a novel method for the generation of vortex $γ$ photon in superposition states, with controllable orbital angular momentum (OAM) separation $Δ\ell^\prime$ and modal weights, via nonlinear Compton scattering driven by multifrequency circularly polarized laser fields. We develop a strong-field quantum electrodynamics (QED) framework to reveal the underlying mechanism and calculate the radiation probabilities. In our method, the superposition arises from interference between energy-degenerate multiphoton pathways carrying distinct OAM. For two-frequency fields, the OAM separation follows $Δ\ell'=ν\mp1$ (upper/lower sign for equal/opposite helicities), and modal weights are tunable by laser intensities, with $ν$ the frequency ratio. Vortex $γ$ photons in controllable superposition states from our method have significant applications in strong-field QED and nuclear photonics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_13724 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Manipulation of Superposed Vortex States of $γ$ Photon via Nonlinear Compton Scattering Zhou, Jun-Lin Ababekri, Mamutjan Ren, Yong-Zheng Wang, Yu Guo, Ren-Tong Chen, Zhao-Hui Kou, Yu-Han Li, Zhong-Peng Li, Jian-Xing Quantum Physics High Energy Physics - Phenomenology Optics Vortex $γ$ photons in superposition states have important applications in photonuclear, high-energy, and strong-field physics. However, their controlled generation in the $γ$-ray regime remains a great challenge. Here, we put forward a novel method for the generation of vortex $γ$ photon in superposition states, with controllable orbital angular momentum (OAM) separation $Δ\ell^\prime$ and modal weights, via nonlinear Compton scattering driven by multifrequency circularly polarized laser fields. We develop a strong-field quantum electrodynamics (QED) framework to reveal the underlying mechanism and calculate the radiation probabilities. In our method, the superposition arises from interference between energy-degenerate multiphoton pathways carrying distinct OAM. For two-frequency fields, the OAM separation follows $Δ\ell'=ν\mp1$ (upper/lower sign for equal/opposite helicities), and modal weights are tunable by laser intensities, with $ν$ the frequency ratio. Vortex $γ$ photons in controllable superposition states from our method have significant applications in strong-field QED and nuclear photonics. |
| title | Manipulation of Superposed Vortex States of $γ$ Photon via Nonlinear Compton Scattering |
| topic | Quantum Physics High Energy Physics - Phenomenology Optics |
| url | https://arxiv.org/abs/2604.13724 |