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pro vyhledávání: '"MacLeod, Alexander J."'
Autor:
Macleod, Alexander J., King, Ben
Publikováno v:
Phys. Rev. A 110, 032216 (2024)
Direct measurement of the elastic scattering of real photons on an electromagnetic field would allow the fundamental low-energy constants of quantum electrodynamics (QED) to be experimentally determined. We show that scenarios involving the collision
Externí odkaz:
http://arxiv.org/abs/2406.10342
High-power laser facilities give experimental access to fundamental strong-field quantum electrodynamics processes. A key effect to be explored is the nonlinear Breit-Wheeler process: the conversion of high-energy photons into electron-positron pairs
Externí odkaz:
http://arxiv.org/abs/2210.14766
Autor:
Macleod, Alexander J.
The combination of energetic electron beams, delivered from conventional accelerators at a high repetition rate, and ultraintense lasers, makes it possible to perform precision measurements of strong-field QED. The LUXE collaboration aims to perform
Externí odkaz:
http://arxiv.org/abs/2112.07235
We consider the scattering of probe particles on an ultra-boosted beam of charge, in the case that the fields of the beam are strong and must be treated non-perturbatively. We show that the fields of the ultra-boosted beam act as stochastic plane wav
Externí odkaz:
http://arxiv.org/abs/2110.02567
Publikováno v:
JHEP 2112: 207, 2021
For scattering amplitudes in strong background fields, it is -- at least in principle -- possible to perturbatively expand the background to obtain higher-point vacuum amplitudes. In the case of self-dual plane wave backgrounds we consider this expan
Externí odkaz:
http://arxiv.org/abs/2103.12850
Autor:
Ilderton, Anton, MacLeod, Alexander J.
Publikováno v:
JHEP 04 (2020) 078
Gauge invariance and soft limits can be enough to determine the analytic structure of scattering amplitudes in certain theories. This prompts the question of how gauge invariance is connected to analytic structure in more general theories. Here we fo
Externí odkaz:
http://arxiv.org/abs/2001.10553
Publikováno v:
Phys. Rev. Lett. 122, 161601 (2019)
A charged particle moving through a medium emits Cherenkov radiation when its velocity exceeds the phase velocity of light in that medium. Under the influence of a strong electromagnetic field, quantum fluctuations can become polarized, imbuing the v
Externí odkaz:
http://arxiv.org/abs/1810.05027
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Publikováno v:
The Journal of Parasitology, 1982 Dec 01. 68(6), 1072-1080.
Externí odkaz:
https://www.jstor.org/stable/3281094
Akademický článek
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