Polarization effects in cosmic-ray acceleration by cyclotron autoresonance
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arXiv
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| Formato: | Preprint |
| Publicado: |
2021
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| _version_ | 1866929241250070528 |
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| author | Salamin, Yousef I. |
| author_facet | Salamin, Yousef I. |
| contents | Employing a two-parameter model for representing the radiation field, the theory of cosmic-ray acceleration by cyclotron autoresonance is analytically generalized here to include any state of polarization. The equations are derived rigorously and used to investigate the dynamics of the nuclides $_1$H$^1$, $_2$He$^4$, $_{26}$Fe$^{56}$, and $_{28}$Ni$^{62}$, in severe astrophysical conditions. Single-particle calculations and many-particle simulations show that these nuclides can reach ZeV energies ($1 ~ZeV = 10^{21}$ eV) due to interaction with superintense radiation of wavelengths $λ=1~$ and $10~ μ$m, and $λ=50$ pm, and magnetic fields of strengths at the mega- and gigatesla levels. Examples employing radiation intensities in the range $10^{32}-10^{42}$ W/m$^2$ are discussed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2106_08412 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Polarization effects in cosmic-ray acceleration by cyclotron autoresonance Salamin, Yousef I. High Energy Astrophysical Phenomena Employing a two-parameter model for representing the radiation field, the theory of cosmic-ray acceleration by cyclotron autoresonance is analytically generalized here to include any state of polarization. The equations are derived rigorously and used to investigate the dynamics of the nuclides $_1$H$^1$, $_2$He$^4$, $_{26}$Fe$^{56}$, and $_{28}$Ni$^{62}$, in severe astrophysical conditions. Single-particle calculations and many-particle simulations show that these nuclides can reach ZeV energies ($1 ~ZeV = 10^{21}$ eV) due to interaction with superintense radiation of wavelengths $λ=1~$ and $10~ μ$m, and $λ=50$ pm, and magnetic fields of strengths at the mega- and gigatesla levels. Examples employing radiation intensities in the range $10^{32}-10^{42}$ W/m$^2$ are discussed. |
| title | Polarization effects in cosmic-ray acceleration by cyclotron autoresonance |
| topic | High Energy Astrophysical Phenomena |
| url | https://arxiv.org/abs/2106.08412 |