Non-perturbative quantum time evolution on the light-front
arXiv:1309.5338 · doi:10.1016/j.physletb.2013.09.030
Abstract
This paper introduces "time-dependent basis light-front quantization", which is a covariant, nonperturbative, and first principles numerical approach to time-dependent problems in quantum field theory. We demonstrate this approach by evaluating photon emission from an electron in a strong, time and space dependent external field. We study the acceleration of the electron in combination with the evolution of the invariant mass of the electron-photon system, in real time and at the amplitude level. Successive excitations of the electron-photon system are evident.
7 pages, 3 figures. To appear in Physics Letters B
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