Collision of Two Light Quanta

Breit, G.; Wheeler, John Archibald

doi:10.1103/physrev.46.1087

Cited by 553 publications

(477 citation statements)

References 4 publications

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“…This reaction can be considered as the strong-field generalization of the Breit-Wheeler process [2,18]. The produced electron and positron as well as the initial (seed) electron are accelerated by the field and become capable to produce new high-energy photons by the process (1).…”

Section: Introductionmentioning

confidence: 99%

Analytical model for electromagnetic cascades in rotating electric field

2011

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Electromagnetic cascades attract a lot of attention as an important QED effect that will reveal itself in various electromagnetic field configurations at ultrahigh intensities. We study cascade dynamics in rotating electric field analytically and numerically. The kinetic equations for the electronpositron plasma and gamma-quanta are formulated. The scaling laws are derived and analyzed. For the cascades arising far above the threshold the dependence of the cascade parameters on the field frequency is derived. The spectra of high-energy cascade particles are calculated. The analytical results are verified by numerical simulations.

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Section: Introductionmentioning

confidence: 99%

Analytical model for electromagnetic cascades in rotating electric field

2011

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“…However an implicit change of the cross section is taken into account given its dependence on the energy threshold LIV th (Breit & Wheeler (1934)). …”

Section: Thmentioning

confidence: 99%

Limits on the Lorentz Invariance Violation from UHECR Astrophysics

Lang

Martínez-Huerta

Souza

2018

ApJ

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In this paper, Lorentz Invariance Violation (LIV) is introduced in the calculations of photon propagation in the Universe. LIV is considered in the photon sector and the mean free path of the γγ → e + e − interaction is calculated. The corresponding photon horizon including LIV effects is used to predict major changes in the propagation of photons with energy above 10 18 eV. The flux of GZK photons on Earth considering LIV is calculated for several source models of ultra-high energy cosmic ray (UHECR). The predicted flux of GZK gamma-rays is compared to the new upper limits on the photon flux obtained by the Pierre Auger Observatory in order to impose upper limits on the LIV coefficients of order n = 0, 1 and 2. The limits on the LIV coefficients derived here are more realistic than previous works and in some cases more restrictive. The analysis resulted in LIV upper limits in the photon sector of δ limit γ,0

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“…[47] takes in the particular case of (1). If this equality is not satisfied, birefringence shows up.…”

Section: Born-infeld-like Modelmentioning

confidence: 99%

“…Amongst the most interesting of the phenomena predicted by quantum electrodynamics (QED) we may quote the photonphoton scattering in vacuum arising from the interaction of photons with virtual electron-positron pairs [1][2][3][4]. However, despite remarkable progress [5][6][7][8][9], this prediction has not yet been confirmed.…”

Section: Introductionmentioning

confidence: 99%

Remarks on nonlinear electrodynamics

2014

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We consider both generalized Born-Infeld and exponential electrodynamics. The field energy of a pointlike charge is finite only for Born-Infeld-like electrodynamics. However, both Born-Infeld-type and exponential electrodynamics display the vacuum birefringence phenomenon. Subsequently, we calculate the lowest-order modifications to the interaction energy for both classes of electrodynamics, within the framework of the gauge-invariant path-dependent variables formalism. These are shown to result in longrange (1/r 5 -type) corrections to the Coulomb potential. Once again, for their noncommutative versions, the interaction energy is ultraviolet finite.

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Collision of Two Light Quanta

Cited by 553 publications

References 4 publications

Analytical model for electromagnetic cascades in rotating electric field

Analytical model for electromagnetic cascades in rotating electric field

Limits on the Lorentz Invariance Violation from UHECR Astrophysics

Remarks on nonlinear electrodynamics

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