Strong Radiation-Damping Effects in a Gamma-Ray Source Generated by the Interaction of a High-Intensity Laser with a Wakefield-Accelerated Electron Beam

Thomas, Alexander; Ridgers, C. P.; Bulanov, S. S.; Griffin, Blake; Mangles, S. P. D.

doi:10.1103/physrevx.2.041004

Cited by 123 publications

(133 citation statements)

References 65 publications

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“…Apparently, our theory cannot encompass a substantial part of problems related to the LWFA acceleration mechanism: e.g. positron acceleration and radiation friction effects (Thomas et al 2012) remain beyond the scope of the present work.…”

Section: Introductionmentioning

confidence: 99%

On some theoretical problems of laser wake-field accelerators

et al. 2016

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Enhancement of the quality of laser wake-field accelerated (LWFA) electron beams implies the improvement and controllability of the properties of the wake waves generated by ultra-short pulse lasers in underdense plasmas. In this work we present a compendium of useful formulas giving relations between the laser and plasma target parameters allowing one to obtain basic dependences, e.g. the energy scaling of the electrons accelerated by the wake field excited in inhomogeneous media including multi-stage LWFA accelerators. Consideration of the effects of using the chirped laser pulse driver allows us to find the regimes where the chirp enhances the wake field amplitude. We present an analysis of the three-dimensional effects on the electron beam loading and on the unlimited LWFA acceleration in inhomogeneous plasmas. Using the conditions of electron trapping to the wake-field acceleration phase we analyse the multi-equal stage and multiuneven stage LWFA configurations. In the first configuration the energy of fast electrons is a linear function of the number of stages, and in the second case, the accelerated electron energy grows exponentially with the number of stages. The results of the two-dimensional particle-in-cell simulations presented here show the high quality electron acceleration in the triple stage injection-acceleration configuration.

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Section: Introductionmentioning

confidence: 99%

On some theoretical problems of laser wake-field accelerators

et al. 2016

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“…to play an important role (Zel'dovich 1975;Zhidkov et al 2002;Bulanov et al 2004b;Di Piazza 2008;Harvey, Heinzl & Marklund 2011;Thomas et al 2012;Heinzl et al 2015). The radiation friction effects change drastically the laser-plasma interaction leading to fast energy losses (see Koga 2004;Koga, Esirkepov & Bulanov 2005 and to phase space contraction, as discussed in Tamburini et al (2011).…”

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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“…Some experimental schemes with lasers towards this direction have recently been proposed [13,14], but a configuration where the radiation reaction dominated regime would have clear signatures remains to be identified and thoroughly tested. In this Letter, we identify a radiation reaction dominated regime using stateof-the-art lasers with intensities ∼10 21 W=cm 2 .…”

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confidence: 99%

All-Optical Radiation Reaction at1021 W/cm2

et al. 2014

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Using full-scale 3D particle-in-cell simulations we show that the radiation reaction dominated regime can be reached in an all-optical configuration through the collision of a ∼1 GeV laser wakefield accelerated electron bunch with a counterpropagating laser pulse. In this configuration the radiation reaction significantly reduces the energy of the particle bunch, thus providing clear experimental signatures for the process with currently available lasers. We also show that the transition between the classical and quantum radiation reaction could be investigated in the same configuration with laser intensities of 10 23 W=cm 2 .

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Strong Radiation-Damping Effects in a Gamma-Ray Source Generated by the Interaction of a High-Intensity Laser with a Wakefield-Accelerated Electron Beam

Cited by 123 publications

References 65 publications

On some theoretical problems of laser wake-field accelerators

On some theoretical problems of laser wake-field accelerators

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

All-Optical Radiation Reaction at1021 W/cm2

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