Персона: Плеханов, Андрей Александрович
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The acceleration of laser plasma in a strong non-stationary magnetic field
2019, Shikanov, A., Vovchenko, E., Kozlovskii, K., Isaev, A., Plekhanov, A., Lisovskii, M., Шиканов, Александр Евгеньевич, Вовченко, Евгений Дмитриевич, Козловский, Константин Иванович, Плеханов, Андрей Александрович
© Published under licence by IOP Publishing Ltd.Based on experimental and computer simulation the acceleration of deuterons from laser plasma in a strong non-stationary magnetic field was studied. The possibility of reaching an energy of ∼100 keV, corresponding to the effective course of the nuclear reactions D (d, n) 3He and T (d, n) 4He, was demonstrated. YAG: Nd3+ laser (W ≤ 0.85 J, τ ≈ 10 ns) was used in the experiment with focusing laser radiation on a deuterated polyethylene target. The high voltage pulse generator with a conical spiral coil was used to generate a high-speed magnetic field (2•107 T/s). A mathematical model of the process is proposed. According to this model, the acceleration of a laser plasma is analyzed by means of a computer. The algorithm is based on a numerical solution of the system of Newton-Lorentz equations.