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dc.contributor.authorBlackburn, TG
dc.contributor.authorIlderton, A
dc.contributor.authorMarklund, M
dc.contributor.authorRidgers, CP
dc.date.accessioned2019-05-01T08:40:54Z
dc.date.available2019-05-01T08:40:54Z
dc.date.issued2019-04-30
dc.identifier.issn1367-2630
dc.identifier.issn1367-2630
dc.identifier.otherARTN 053040
dc.identifier.urihttp://hdl.handle.net/10026.1/13757
dc.description.abstract

It is conjectured that all perturbative approaches to quantum electrodynamics (QED) break down in the collision of a high-energy electron beam with an intense laser, when the laser fields are boosted to ’supercritical’ strengths far greater than the critical field of QED. As field strengths increase toward this regime, cascades of photon emission and electron-positron pair creation are expected, as well as the onset of substantial radiative corrections. Here we identify the important role played by the collision angle in mitigating energy losses to photon emission that would otherwise prevent the electrons reaching the supercritical regime. We show that a collision between an electron beam with energy in the tens of GeV and a laser pulse of intensity 10<sup>24</sup> Wcm<sup>−2</sup> at oblique, or even normal, incidence is a viable platform for studying the breakdown of perturbative strong-field QED. Our results have implications for the design of near-term experiments as they predict that certain quantum effects are enhanced at oblique incidence.

dc.format.extent053040-053040
dc.language.isoen
dc.publisherIOP Publishing
dc.subjectradiation reaction
dc.subjectstrong-field quantum electrodynamics (QED)
dc.subjectradiative corrections
dc.titleReaching supercritical field strengths with intense lasers
dc.typejournal-article
dc.typearticle
plymouth.issue5
plymouth.volume21
plymouth.publisher-urlhttp://iopscience.iop.org/10.1088/1367-2630/ab1e0d
plymouth.publication-statusPublished
plymouth.journalNew Journal of Physics
dc.identifier.doi10.1088/1367-2630/ab1e0d
plymouth.organisational-group/Plymouth
plymouth.organisational-group/Plymouth/Faculty of Science and Engineering
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/EXTENDED UoA 10 - Mathematical Sciences
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA10 Mathematical Sciences
dcterms.dateAccepted2019-04-30
dc.rights.embargodate2019-11-27
dc.identifier.eissn1367-2630
dc.rights.embargoperiodNot known
rioxxterms.versionofrecord10.1088/1367-2630/ab1e0d
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.licenseref.startdate2019-04-30
rioxxterms.typeJournal Article/Review


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