Nonlinear Compton scattering with a laser pulse

Boca, Mãdãlina; Florescu, Viorica

doi:10.1103/physreva.80.053403

Cited by 183 publications

(129 citation statements)

References 20 publications

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“…High laser intensities are presently achieved by the chirped pulse amplification resulting in short pulses. As shown for the Compton effect in [17][18][19][20][21][22] and for the Breit-Wheeler effect in [23][24][25][26] the pulse shape and the pulse duration become important. That means the treatment of the intense laser field as an infinitely long wave train is no longer adequate.…”

Section: Introductionmentioning

confidence: 97%

Breit-Wheeler process in very short electromagnetic pulses

et al. 2013

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The generalized Breit-Wheeler process, i.e. the emission of $e^+e^-$ pairs off a probe photon propagating through a polarized short-pulsed electromagnetic (e.g.\ laser) wave field, is analyzed. We show that the production probability is determined by the interplay of two dynamical effects. The first one is related to the shape and duration of the pulse and the second one is the non-linear dynamics of the interaction of $e^\pm$ with the strong electromagnetic field. The first effect manifests itself most clearly in the weak-field regime, where the small field intensity is compensated by the rapid variation of the electromagnetic field in a limited space-time region, which intensifies the few-photon events and can enhance the production probability by orders of magnitude compared to an infinitely long pulse. Therefore, short pulses may be considered as a powerful amplifier. The non-linear dynamics in the multi-photon Breit-Wheeler regime plays a decisive role at large field intensities, where effects of the pulse shape and duration are less important. In the transition regime, both effects must be taken into account simultaneously. We provide suitable expressions for the $e^+e^-$ production probability for kinematic regions which can be used in transport codes.Comment: 32 pages, 15 figure

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Section: Introductionmentioning

confidence: 97%

Breit-Wheeler process in very short electromagnetic pulses

et al. 2013

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“…see Bulanov et al (2015) and literature cited therein). These effects manifest themselves through multi-photon Compton and Breit-Wheeler effects (Nikishov & Ritus 1964a,b;Ritus 1985) (see Narozhnyi & Fofanov (1996), Boca & Florescu (2009), Ehlotzky, Krajewska & Kamiśki (2009), Heinzl, Ilderton & Marklund (2010a), Heinzl, Seipt & Kämpfer (2010b, Mackenroth & Di Piazza (2011), Krajewska & Kamiński (2012), Titov et al (2012), Harvey, Heinzl & Ilderton (2009) for recent studies), i.e. through either photon emission by an electron or positron, or electron-positron pair production by a high energy photon, respectively.…”

Section: S V Bulanov and Othersmentioning

confidence: 99%

Charged particle dynamics in multiple colliding electromagnetic waves. Survey of random walk, Lévy flights, limit circles, attractors and structurally determinate patterns

et al. 2017

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The multiple colliding laser pulse concept formulated by Bulanov et al. (Phys. Rev. Lett., vol. 104, 2010b, 220404) is beneficial for achieving an extremely high amplitude of coherent electromagnetic field. Since the topology of electric and magnetic fields of multiple colliding laser pulses oscillating in time is far from trivial and the radiation friction effects are significant in the high field limit, the dynamics of charged particles interacting with the multiple colliding laser pulses demonstrates remarkable features corresponding to random walk trajectories, limit circles, attractors, regular patterns and Lévy flights. Under extremely high intensity conditions the nonlinear dissipation mechanism stabilizes the particle motion resulting in the charged particle trajectory being located within narrow regions and in the occurrence of a new class of regular patterns made by the particle ensembles.

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“…These works, which are applicable to the realm of pulse durations distinguished by Eq. (1.9), were performed for single photon emission [20,51,[54][55][56][57][58] and recently also for two photon emission [59,60]. This family of calculations, applicable to the rapidly evolving regime of few-cycle laser pulses, is a research field of swiftly increasing interest and importance.…”

Section: Interaction With a Laser Pulsementioning

confidence: 99%

“…To describe a focused laser pulse the ansatz for the spatial vector potential of Eq. (2.45) can be modified according to [17] 54) where the function g(η) is used to introduce an arbitrary temporal shaping of the laser pulse, depending only on the invariant phase η = ω L (t − x ). The determining equation for the focusing function then turns into…”

Section: Interaction With a Focused Lasermentioning

confidence: 99%

Interaction of Electrons with Laser Fields

Mackenroth

2014

Springer Theses

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Nonlinear Compton scattering with a laser pulse

Cited by 183 publications

References 20 publications

Breit-Wheeler process in very short electromagnetic pulses

Breit-Wheeler process in very short electromagnetic pulses

Charged particle dynamics in multiple colliding electromagnetic waves. Survey of random walk, Lévy flights, limit circles, attractors and structurally determinate patterns

Interaction of Electrons with Laser Fields

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