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Titolo:
Ion acceleration by superintense laser pulses in plasmas
Autore:
Esirkepov, TZ; Sentoku, Y; Mima, K; Nishihara, K; Califano, F; Pegoraro, F; Naumova, NM; Bulanov, SV; Ueshima, Y; Liseikina, TV; Vshivkov, VA; Kato, Y;
Indirizzi:
Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia Moscow Inst Phys & Technol Dolgoprudnyi Moscow Region Russia 141700 ussia Osaka Univ, Inst Laser Engn, Osaka 5650871, Japan Osaka Univ Osaka Japan5650871 iv, Inst Laser Engn, Osaka 5650871, Japan Univ Pisa, Dipartimento Fis, I-56100 Pisa, Italy Univ Pisa Pisa Italy I-56100 Pisa, Dipartimento Fis, I-56100 Pisa, Italy INFM, I-56100 Pisa, Italy INFM Pisa Italy I-56100INFM, I-56100 Pisa, Italy Russian Acad Sci, Inst Gen Phys, Moscow 117924, Russia Russian Acad Sci Moscow Russia 117924 st Gen Phys, Moscow 117924, Russia JAERI Kansai, Osaka 5648680, Japan JAERI Kansai Osaka Japan 5648680JAERI Kansai, Osaka 5648680, Japan Russian Acad Sci, Inst Computat Technol, Siberian Branch, Novosibirsk 630090, Russia Russian Acad Sci Novosibirsk Russia 630090 h, Novosibirsk 630090, Russia
Titolo Testata:
JETP LETTERS
fascicolo: 2, volume: 70, anno: 1999,
pagine: 82 - 89
SICI:
0021-3640(19990725)70:2<82:IABSLP>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
10(19) W CM(-2); COLLISIONLESS PLASMA; INSTABILITY; EXPLOSION; DYNAMICS; FIELDS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
17
Recensione:
Indirizzi per estratti:
Indirizzo: Esirkepov, TZ Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia Moscow Inst Phys & Technol Dolgoprudnyi Moscow Region Russia 141700
Citazione:
T.Z. Esirkepov et al., "Ion acceleration by superintense laser pulses in plasmas", JETP LETTER, 70(2), 1999, pp. 82-89

Abstract

Ion acceleration by petawatt laser radiation in underdense and overdense plasmas is studied with 2D3V-PIC (Particle in Cell) numerical simulations. These simulations show that the laser pulse drills a channel through the plasma slab, and electrons and ions expand in vacuum. Fast electrons escape first from the electron-ion cloud. Later, ions gain a high energy on account of the Coulomb explosion of the cloud and the inductive electric field which appears due to fast change of the magnetic field generated by the laser pulse. Similarly, when a superintense laser pulse interacts with a thin slabof overdense plasma, its ponderomotive pressure blows all the electrons away from a finite-diameter spot on the slab. Then, due to the Coulomb explosion, ions gain an energy as high as 1 GeV. (C) 1999 American Institute of Physics. [S0021-3640(99)00414-4].

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Documento generato il 08/04/20 alle ore 08:03:03