Coherent radiation of photons by particle wave packets
arXiv:2205.14638 · doi:10.1140/epjc/s10052-022-10739-6
Abstract
The radiation of photons by electrons is investigated in the framework of quantum electrodynamics up to the second order in the coupling constant . The -particle, coherent, and thermal initial states are considered and the forms of the electron wave packets are taken into account. The explicit expressions for the intensity of radiation and the inclusive probability to record a photon are obtained. It is found that there are three processes in this order of perturbation theory where the electron wave packet radiates coherently and can be regarded as a charged fluid even on integrating over the final states of the electron, i.e., in considering the inclusive probabilities and intensity of radiation. These processes are stimulated radiation by an electron, coherent radiation from a beam of particles, and reradiation of a photon in the Compton process. We obtain the explicit expressions for the intensity of radiation and the inclusive probability to record a photon for these processes. As particular cases, we consider: stimulated transition radiation produced by an electron wave packet traversing a mirror and backlighted by a laser wave, reradiation of photons in a coherent state by an electron wave packet. In the latter case, we deduce that the wave packet of a single electron can be endowed with the susceptibility tensor and this tensor has the same form as for an electron plasma in the small recoil limit.
arXiv comment22 pp., some misprints corrected and comments added
References in corpus (23)
- Extremely high-intensity laser interactions with fundamental quantum systems
- Advances in QED with intense background fields
- Theory and applications of free-electron vortex states
- Beam by design: laser manipulation of electrons in modern accelerators
- Spontaneous and Stimulated Emissions of Quantum Free-Electron Wavepackets - QED Analysis
- Dimension-Dependent Stimulated Radiative Interaction of a Single Electron Quantum Wavepacket
- Detecting transition radiation from a magnetic moment
- Schroedinger electrons interacting with optical gratings: quantum mechanical study of the inverse Smith Purcell effect
- Control of quantum electrodynamical processes by shaping electron wavepackets
- Scattering of wave packets with phases
- Polarization radiation of vortex electrons with large orbital angular momentum
- Photo-Emission of a Single-Electron Wave-Packet in a Strong Laser Field
- Spontaneous and Stimulated Radiative emission of Modulated Free-Electron Quantum wavepackets - Semiclassical Analysis
- Quantum Limitation to the Coherent Emission of Accelerated Charges
- Intrinsic multipole moments of the non-Gaussian wave packets
- Probability of radiation of twisted photons in an inhomogeneous isotropic dispersive medium
- Probability of radiation of twisted photons by cold relativistic particle bunches
- Transition radiation from a Dirac particle wave packet traversing a mirror
- Probability of radiation of twisted photons in the infrared domain
- The passage of a vortex electron over an inclined grating
- Radiation of twisted photons from charged particles moving in cholesterics
- Scattering of plane-wave and twisted photons by helical media
- Inclusive probability of particle creation on classical backgrounds
Cited by in corpus (6)
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- Inclusive probability to record an electron in elastic electromagnetic scattering by a spin one-half hadron wave packet
- Plasmon-polaritons on a single electron
- Surface photoelectric effect by twisted photons as a source of twisted electrons
- High-energy photon hologram of a photon gas