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| Format: | Preprint |
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2026
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| Online-Zugang: | https://arxiv.org/abs/2603.26383 |
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| _version_ | 1866912985100845056 |
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| author | Dou, Zhen-Ke Zhao, Qian Wan, Feng Lv, Chong Guo, Bing Li, Jian-Xing |
| author_facet | Dou, Zhen-Ke Zhao, Qian Wan, Feng Lv, Chong Guo, Bing Li, Jian-Xing |
| contents | Relativistic, polarized pair-photon fireballs are central to understand the microscopic energy transfer of high-energy astrophysical outflows, yet generating an overdense fireball in the laboratory, especially via an ultraintense laser, remains a formidable challenge. Here, we propose a novel method of laser-driven nonlinear-linear quantum electrodynamics (NL-QED) plasma, that dramatically lowers the laser intensity threshold for dense pair-photon fireball creation. By coupling polarization-resolved linear Breit-Wheeler and Compton processes with strong-field nonlinear radiation, we find that a self-organized NL-QED cascade is ignited in the laser-driven hole boring at currently accessible 10-petawatt intensities ($\sim 10^{22}\ \mathrm{W/cm^2}$). Consequently, we demonstrate the generation of an overdense (pair density $n_{\rm}\simeq 4.1\times 10^{16}\ \mathrm{cm^{-3}}$, gamma-photon density $n_γ\simeq 9.6\times 10^{21}\ \mathrm{cm^{-3}}$), highly polarized, and quasi-neutral fireball. Our method provides a comprehensive framework for studying laser-driven QED plasma and its application in laboratory astrophysics, probing multi-process QED physics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_26383 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Generation of Polarized Overdense Pair-photon Fireball via Laser-Driven Nonlinear-linear QED Cascade Dou, Zhen-Ke Zhao, Qian Wan, Feng Lv, Chong Guo, Bing Li, Jian-Xing Plasma Physics Relativistic, polarized pair-photon fireballs are central to understand the microscopic energy transfer of high-energy astrophysical outflows, yet generating an overdense fireball in the laboratory, especially via an ultraintense laser, remains a formidable challenge. Here, we propose a novel method of laser-driven nonlinear-linear quantum electrodynamics (NL-QED) plasma, that dramatically lowers the laser intensity threshold for dense pair-photon fireball creation. By coupling polarization-resolved linear Breit-Wheeler and Compton processes with strong-field nonlinear radiation, we find that a self-organized NL-QED cascade is ignited in the laser-driven hole boring at currently accessible 10-petawatt intensities ($\sim 10^{22}\ \mathrm{W/cm^2}$). Consequently, we demonstrate the generation of an overdense (pair density $n_{\rm}\simeq 4.1\times 10^{16}\ \mathrm{cm^{-3}}$, gamma-photon density $n_γ\simeq 9.6\times 10^{21}\ \mathrm{cm^{-3}}$), highly polarized, and quasi-neutral fireball. Our method provides a comprehensive framework for studying laser-driven QED plasma and its application in laboratory astrophysics, probing multi-process QED physics. |
| title | Generation of Polarized Overdense Pair-photon Fireball via Laser-Driven Nonlinear-linear QED Cascade |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2603.26383 |