Numerical modeling of fast electron generation in the presence of preformed plasma in laser-matter interaction at relativistic intensities
Fast electron generation in the presence of coronal plasma in front of a solid target (typically referred to as preformed plasma) in laser-matter interaction in the intensity range of 10{sup 19}-10{sup 21} W/cm{sup 2} is studied in a one-dimensional slab approximation with particle-in-cell (PIC) sim...
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| Veröffentlicht in: | Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2011-04, Vol.83 (4) |
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| container_title | Physical review. E, Statistical, nonlinear, and soft matter physics |
| container_volume | 83 |
| creator | Paradkar, B. S. Yabuuchi, T. Krasheninnikov, S. I. Beg, F. N. Wei, M. S. Stephens, R. B. Haines, M. G. |
| description | Fast electron generation in the presence of coronal plasma in front of a solid target (typically referred to as preformed plasma) in laser-matter interaction in the intensity range of 10{sup 19}-10{sup 21} W/cm{sup 2} is studied in a one-dimensional slab approximation with particle-in-cell (PIC) simulations. Three different preformed plasma density scale lengths of 1, 5, and 15 {mu}m are considered. We report an increase in both mean and maximum energy of generated fast electrons with an increase in the preformed plasma scale length (in the range 1-15 {mu}m). The heating of plasma electrons is predominantly due to their stochastic motion in counterpropagating electromagnetic (EM) waves (incident and reflected waves) and the presence of a longitudinal electric field produced self-consistently inside the preformed plasma. The synergetic effects of this longitudinal electric field and EM waves responsible for the efficient preformed plasma electrons heating are discussed. |
| doi_str_mv | 10.1103/PHYSREVE.83.046401 |
| format | Article |
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S. ; Yabuuchi, T. ; Krasheninnikov, S. I. ; Beg, F. N. ; Wei, M. S. ; Stephens, R. B. ; Haines, M. G.</creator><creatorcontrib>Paradkar, B. S. ; Yabuuchi, T. ; Krasheninnikov, S. I. ; Beg, F. N. ; Wei, M. S. ; Stephens, R. B. ; Haines, M. G.</creatorcontrib><description>Fast electron generation in the presence of coronal plasma in front of a solid target (typically referred to as preformed plasma) in laser-matter interaction in the intensity range of 10{sup 19}-10{sup 21} W/cm{sup 2} is studied in a one-dimensional slab approximation with particle-in-cell (PIC) simulations. Three different preformed plasma density scale lengths of 1, 5, and 15 {mu}m are considered. We report an increase in both mean and maximum energy of generated fast electrons with an increase in the preformed plasma scale length (in the range 1-15 {mu}m). The heating of plasma electrons is predominantly due to their stochastic motion in counterpropagating electromagnetic (EM) waves (incident and reflected waves) and the presence of a longitudinal electric field produced self-consistently inside the preformed plasma. The synergetic effects of this longitudinal electric field and EM waves responsible for the efficient preformed plasma electrons heating are discussed.</description><identifier>ISSN: 1539-3755</identifier><identifier>EISSN: 1550-2376</identifier><identifier>DOI: 10.1103/PHYSREVE.83.046401</identifier><language>eng</language><publisher>United States</publisher><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; DIMENSIONS ; ELECTRIC FIELDS ; ELECTROMAGNETIC RADIATION ; ELECTRONS ; ELEMENTARY PARTICLES ; ENERGY RANGE ; FERMIONS ; INTERACTIONS ; LASER RADIATION ; LENGTH ; LEPTONS ; MATTER ; ONE-DIMENSIONAL CALCULATIONS ; PLASMA ; PLASMA DENSITY ; RADIATIONS ; RELATIVISTIC RANGE ; SIMULATION ; STOCHASTIC PROCESSES</subject><ispartof>Physical review. 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E, Statistical, nonlinear, and soft matter physics</title><description>Fast electron generation in the presence of coronal plasma in front of a solid target (typically referred to as preformed plasma) in laser-matter interaction in the intensity range of 10{sup 19}-10{sup 21} W/cm{sup 2} is studied in a one-dimensional slab approximation with particle-in-cell (PIC) simulations. Three different preformed plasma density scale lengths of 1, 5, and 15 {mu}m are considered. We report an increase in both mean and maximum energy of generated fast electrons with an increase in the preformed plasma scale length (in the range 1-15 {mu}m). The heating of plasma electrons is predominantly due to their stochastic motion in counterpropagating electromagnetic (EM) waves (incident and reflected waves) and the presence of a longitudinal electric field produced self-consistently inside the preformed plasma. 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The heating of plasma electrons is predominantly due to their stochastic motion in counterpropagating electromagnetic (EM) waves (incident and reflected waves) and the presence of a longitudinal electric field produced self-consistently inside the preformed plasma. The synergetic effects of this longitudinal electric field and EM waves responsible for the efficient preformed plasma electrons heating are discussed.</abstract><cop>United States</cop><doi>10.1103/PHYSREVE.83.046401</doi></addata></record> |
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| identifier | ISSN: 1539-3755 |
| ispartof | Physical review. E, Statistical, nonlinear, and soft matter physics, 2011-04, Vol.83 (4) |
| issn | 1539-3755 1550-2376 |
| language | eng |
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| source | American Physical Society Journals |
| subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY DIMENSIONS ELECTRIC FIELDS ELECTROMAGNETIC RADIATION ELECTRONS ELEMENTARY PARTICLES ENERGY RANGE FERMIONS INTERACTIONS LASER RADIATION LENGTH LEPTONS MATTER ONE-DIMENSIONAL CALCULATIONS PLASMA PLASMA DENSITY RADIATIONS RELATIVISTIC RANGE SIMULATION STOCHASTIC PROCESSES |
| title | Numerical modeling of fast electron generation in the presence of preformed plasma in laser-matter interaction at relativistic intensities |
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