Laser photon merging in proton-laser collisions
arXiv:0906.5576 · doi:10.1103/PhysRevA.78.062109
Abstract
The quantum electrodynamical vacuum polarization effects arising in the collision of a high-energy proton beam and a strong, linearly polarized laser field are investigated. The probability that laser photons merge into one photon by interacting with the proton`s electromagnetic field is calculated taking into account the laser field exactly. Asymptotics of the probability are then derived according to different experimental setups suitable for detecting perturbative and nonperturbative vacuum polarization effects. The experimentally most feasible setup involves the use of a strong optical laser field. It is shown that in this case measurements of the polarization of the outgoing photon and and of its angular distribution provide promising tools to detect these effects for the first time.
38 pages, 9 figures
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- An Addendum to the Heisenberg-Euler effective action beyond one loop
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- All-optical signatures of Strong-Field QED in the vacuum emission picture
- Probing vacuum birefringence using x-ray free electron and optical high-intensity lasers
- Photon-photon scattering at the high-intensity frontier
- All-optical signatures of quantum vacuum nonlinearities in generic laser fields
- Laser photon merging in an electromagnetic field inhomogeneity
- Photon merging and splitting in electromagnetic field inhomogeneities
- Interaction of photons traversing a slowly varying electromagnetic background
- Absorption cross section in an intense plane wave background
- The QED four -- photon amplitudes off-shell: part 1
- The QED four-photon amplitudes off-shell: part 2
- Trident Pair Production in Colliding Bright X-ray Laser Beams
- Two-beam laser photon merging