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Depletion of intense fields
D. Seipt, T. Heinzl, M. Marklund +1
The interaction of charged particles and photons with intense electromagnetic fields gives rise to multi-photon Compton and Breit-Wheeler processes. These are usually described in…
Quantum radiation reaction: from interference to incoherence
Victor Dinu, Chris Harvey, Anton Ilderton +2
We investigate quantum radiation reaction in laser-electron interactions across different energy and intensity regimes. Using a fully quantum approach which also accounts exactly f…
Prospects for studying vacuum polarisation using dipole and synchrotron radiation
Anton Ilderton, Mattias Marklund
The measurement of vacuum polarisation effects, in particular vacuum birefringence, using combined optical and x-ray laser pulses is now actively pursued. Here we briefly examine t…
Narrowing of the emission angle in high-intensity Compton scattering
C. N. Harvey, A. Gonoskov, M. Marklund +1
We consider the emission spectrum of high-energy electrons in an intense laser field. At high intensities () we find that the QED theory predicts a narrower angular spr…
Photon polarisation in light-by-light scattering: finite size effects
Victor Dinu, Tom Heinzl, Anton Ilderton +2
We derive a simple expression for the photon helicity and polarisation-flip probabilities in arbitrary background fields, in the low energy regime. Taking the background to model a…
Vacuum refractive indices and helicity flip in strong-field QED
Victor Dinu, Tom Heinzl, Anton Ilderton +2
Vacuum birefringence is governed by the amplitude for a photon to flip helicity or polarisation state in an external field. Here we calculate the flip and non-flip amplitudes in ar…