Optics in the relativistic regime

Mourou, G.; Tajima, T.; Bulanov, Sergei V.

doi:10.1103/revmodphys.78.309

Cited by 1,756 publications

(1,305 citation statements)

References 502 publications

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“…lasers [41][42][43][44][45][46][47][48][49][50][51], for example, aiming at a verification of this non-perturbative pair-creation effect. 1 In the following, we venture a first step into this direction and employ the worldline instanton technique (see, e.g., [52][53][54][55][56][57][58][59][60]) in order to study the superposition of a spatial and a temporal field pulse as an example for a genuinely space-time dependent field.…”

Section: Jhep02(2016)164mentioning

confidence: 99%

Dynamically assisted Sauter-Schwinger effect in inhomogeneous electric fields

Schneider

Schützhold

2016

J. High Energ. Phys.

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Via the world-line instanton method, we study electron-positron pair creation by a strong (but sub-critical) electric field of the profile E/ cosh 2 (kx) superimposed by a weaker pulse E / cosh 2 (ωt). If the temporal Keldysh parameter γ ω = mω/(qE) exceeds a threshold value γ crit ω which depends on the spatial Keldysh parameter γ k = mk/(qE), we find a drastic enhancement of the pair creation probability -reporting on what we believe to be the first analytic non-perturbative result for the interplay between temporal and spatial field dependences E(t, x) in the Sauter-Schwinger effect. Finally, we speculate whether an analogous effect (drastic enhancement of tunneling probability) could occur in other scenarios such as stimulated nuclear decay, for example.

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Section: Jhep02(2016)164mentioning

confidence: 99%

Dynamically assisted Sauter-Schwinger effect in inhomogeneous electric fields

Schneider

Schützhold

2016

J. High Energ. Phys.

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“…(i) a > 1, the relativistic interaction regime (Mourou et al 2006); (ii) a > ε −1/3 rad , the interaction becomes radiation dominated (Zhidkov et al 2002;Bulanov et al 2004b;Bashinov & Kim 2013); (iii) χ e 1 the quantum effects begin to manifest themselves (Di Piazza, Hatsagortsyan & Keitel 2010;Bulanov et al 2011aBulanov et al , 2015; and (iv) χ e > 1, χ γ > 1 marks the condition for the EM avalanche (Bulanov et al 2010a;Fedotov et al 2010;Nerush et al 2011;Bulanov et al 2013), which is the phenomenon of exponential growth of the number of electron-positrons and photons in the strong EM field, being able to develop. These conditions can be supplemented by αa > 1, which indicates that the number of photons emitted incoherently per laser period can be larger than unity as has been noted by Di .…”

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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“…Intense laser beams represent a unique experimental tool to investigate classical and quantum electrodynamics in the presence of strong fields (see the recent reviews [24,32] and the References therein). A record intensity of 7 × 10 21 W/cm 2 has already been obtained in lab-oratory by focusing a 45-TW Ti:Sa laser beam onto one wavelength [4].…”

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confidence: 99%