{"title":"非线性康普顿过程中反冲光子的偏振","authors":"A. I. Titov","doi":"10.1140/epjd/s10053-024-00827-5","DOIUrl":null,"url":null,"abstract":"<p>The polarization of recoil photon (<span>\\(\\gamma '\\)</span>) in the nonlinear Compton process <span>\\(e + \\vec L \\rightarrow \\vec {\\gamma }' +e'\\)</span> in the interaction of a relativistic electron with a linearly polarized laser beam (<span>\\(\\vec L\\)</span>) is studied within the Furry picture in the lowest order, tree-level S matrix element. In particular, we consider the asymmetry of differential cross sections <span>\\(\\mathcal{A}\\)</span> for two independent axes describing the Compton process equal to the intrinsic spin variable <span>\\({\\xi }^f_3\\)</span> that determines the polarization properties of <span>\\(\\gamma '\\)</span>. The sign and absolute value of the asymmetry determine the direction and degree of <span>\\(\\gamma '\\)</span> polarization. We have analyzed the process in a wide range of laser intensity that covers existing and future experiments. Our results provide additional knowledge for studying nonlinear multi-photon effects in quantum electrodynamics and can be used in planning experiments at envisaged laser facilities.</p>","PeriodicalId":789,"journal":{"name":"The European Physical Journal D","volume":null,"pages":null},"PeriodicalIF":1.5000,"publicationDate":"2024-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Polarization of recoil photon in nonlinear Compton process\",\"authors\":\"A. I. Titov\",\"doi\":\"10.1140/epjd/s10053-024-00827-5\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>The polarization of recoil photon (<span>\\\\(\\\\gamma '\\\\)</span>) in the nonlinear Compton process <span>\\\\(e + \\\\vec L \\\\rightarrow \\\\vec {\\\\gamma }' +e'\\\\)</span> in the interaction of a relativistic electron with a linearly polarized laser beam (<span>\\\\(\\\\vec L\\\\)</span>) is studied within the Furry picture in the lowest order, tree-level S matrix element. In particular, we consider the asymmetry of differential cross sections <span>\\\\(\\\\mathcal{A}\\\\)</span> for two independent axes describing the Compton process equal to the intrinsic spin variable <span>\\\\({\\\\xi }^f_3\\\\)</span> that determines the polarization properties of <span>\\\\(\\\\gamma '\\\\)</span>. The sign and absolute value of the asymmetry determine the direction and degree of <span>\\\\(\\\\gamma '\\\\)</span> polarization. We have analyzed the process in a wide range of laser intensity that covers existing and future experiments. Our results provide additional knowledge for studying nonlinear multi-photon effects in quantum electrodynamics and can be used in planning experiments at envisaged laser facilities.</p>\",\"PeriodicalId\":789,\"journal\":{\"name\":\"The European Physical Journal D\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.5000,\"publicationDate\":\"2024-03-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"The European Physical Journal D\",\"FirstCategoryId\":\"4\",\"ListUrlMain\":\"https://link.springer.com/article/10.1140/epjd/s10053-024-00827-5\",\"RegionNum\":4,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"OPTICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"The European Physical Journal D","FirstCategoryId":"4","ListUrlMain":"https://link.springer.com/article/10.1140/epjd/s10053-024-00827-5","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"OPTICS","Score":null,"Total":0}
Polarization of recoil photon in nonlinear Compton process
The polarization of recoil photon (\(\gamma '\)) in the nonlinear Compton process \(e + \vec L \rightarrow \vec {\gamma }' +e'\) in the interaction of a relativistic electron with a linearly polarized laser beam (\(\vec L\)) is studied within the Furry picture in the lowest order, tree-level S matrix element. In particular, we consider the asymmetry of differential cross sections \(\mathcal{A}\) for two independent axes describing the Compton process equal to the intrinsic spin variable \({\xi }^f_3\) that determines the polarization properties of \(\gamma '\). The sign and absolute value of the asymmetry determine the direction and degree of \(\gamma '\) polarization. We have analyzed the process in a wide range of laser intensity that covers existing and future experiments. Our results provide additional knowledge for studying nonlinear multi-photon effects in quantum electrodynamics and can be used in planning experiments at envisaged laser facilities.
期刊介绍:
The European Physical Journal D (EPJ D) presents new and original research results in:
Atomic Physics;
Molecular Physics and Chemical Physics;
Atomic and Molecular Collisions;
Clusters and Nanostructures;
Plasma Physics;
Laser Cooling and Quantum Gas;
Nonlinear Dynamics;
Optical Physics;
Quantum Optics and Quantum Information;
Ultraintense and Ultrashort Laser Fields.
The range of topics covered in these areas is extensive, from Molecular Interaction and Reactivity to Spectroscopy and Thermodynamics of Clusters, from Atomic Optics to Bose-Einstein Condensation to Femtochemistry.