QED vacuum effects in intense laser fields
Two quantum electrodynamical processes occurring in the presence of a strong laser field and involving the polarization of quantum vacuum are discussed. First, the process of photon splitting in a laser field is examined and the possibility of its experimental observation is investigated. In particu...
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| Veröffentlicht in: | The European physical journal. ST, Special topics Special topics, 2009-08, Vol.175 (1), p.181-185 |
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| container_title | The European physical journal. ST, Special topics |
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| creator | Di Piazza, A. Hatsagortsyan, K. Z. |
| description | Two quantum electrodynamical processes occurring in the presence of a strong laser field and involving the polarization of quantum vacuum are discussed. First, the process of photon splitting in a laser field is examined and the possibility of its experimental observation is investigated. In particular, it is seen that envisaged progress in the generation of high-flux monochromatic gamma ray beams by employing Compton backscattering by electrons coming from an undulator could lead to an experimental observation of this process. Then, the laser photons merging due to vacuum polarization in the collision of a strong laser field and a proton beam is studied. It is shown that this process allows, in principle, the possibility of observing for the first time non-perturbative refractive vacuum polarization effects primed by a strong laser beam. |
| doi_str_mv | 10.1140/epjst/e2009-01138-y |
| format | Article |
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| identifier | ISSN: 1951-6355 |
| ispartof | The European physical journal. ST, Special topics, 2009-08, Vol.175 (1), p.181-185 |
| issn | 1951-6355 1951-6401 |
| language | eng |
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| source | Springer Online Journals Complete |
| subjects | Atomic Classical and Continuum Physics Condensed Matter Physics Exact sciences and technology Fundamental areas of phenomenology (including applications) Materials Science Measurement Science and Instrumentation Molecular Optical and Plasma Physics Optics Physics Physics and Astronomy Quantum electrodynamics Quantum optics Specific theories and interaction models particle systematics Strong-field excitation of optical transitions in quantum systems multi-photon processes dynamic stark shift The physics of elementary particles and fields |
| title | QED vacuum effects in intense laser fields |
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