Radiation reaction in quantum vacuum

Seto, Keita

doi:10.1093/ptep/ptu170

Cited by 4 publications

(1 citation statement)

References 16 publications

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“…To circumvent these difficulties, modified formulas of self-force were proposed [13,16,17], and particle motions evaluated with these formulas were compared [18]. Recently, new equations of motion have been proposed, where the self-force was reformulated by including the spatial extent of the charged particle [19][20][21], or a time-delay between the radiation and its reaction [22]. In these analyses, the divergence problem is circumvented by introducing a spatial extent to a particle.…”

Section: Introductionmentioning

confidence: 99%

On the Schott Term in the Lorentz-Abraham-Dirac Equation

Nakamura¹

2020

QuBS

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The equation of motion for a radiating charged particle is known as the Lorentz–Abraham–Dirac (LAD) equation. The radiation reaction force in the LAD equation contains a third time-derivative term, called the Schott term, which leads to a runaway solution and a pre-acceleration solution. Since the Schott energy is the field energy confined to an area close to the particle and reversibly exchanged between particle and fields, the question of how it affects particle motion is of interest. In here we have obtained solutions for the LAD equation with and without the Schott term, and have compared them quantitatively. We have shown that the relative difference between the two solutions is quite small in the classical radiation reaction dominated regime.

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Section: Introductionmentioning

confidence: 99%

On the Schott Term in the Lorentz-Abraham-Dirac Equation

Nakamura¹

2020

QuBS

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Dressed Charge of Electron by Radiation Reaction

Seto

Zhang

Koga

et al. 2016

J. Phys.: Conf. Ser.

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Radiation reaction in high-intensity fields

Seto

2015

Prog. Theor. Exp. Phys.

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Radiation reaction against a relativistic electron is of critical importance since the experiment to check this "quantumness" becomes possible soon with an extremely highintensity laser beam. However, there is a fundamental mathematical quest to apply any laser profiles to laser focusing and superposition beyond the Furry picture of its usual method by a plane wave. To give the apparent meaning of q(χ) the quantumness factor with respect to a radiation process is absent. Thus for resolving the above questions, we propose stochastic quantization of the classical radiation reaction model for any laser field profiles, via the construction of the relativistic Brownian kinematics with the dynamics of a scalar electron and the Maxwell equation with a current by a Brownian quanta. This is the first proposal of the coupling system between a relativistic Brownian quanta and fields in Nelson's stochastic quantization. Therefore, we can derive the radiation field by its Maxwell equation, too. This provides us the fact that q(χ) produced by QED is regarded as P(Ω ave τ ) of an existence probability such that a scalar electron stay on its average trajectory. * keita.seto@eli-np.ro

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Radiation reaction in quantum vacuum

Cited by 4 publications

References 16 publications

On the Schott Term in the Lorentz-Abraham-Dirac Equation

On the Schott Term in the Lorentz-Abraham-Dirac Equation

Dressed Charge of Electron by Radiation Reaction

Radiation reaction in high-intensity fields

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