dorsal/arxiv
View SchemaScalings for ultra-relativistic laser plasmas and monoenergetic electrons
| Authors | S. Gordienko, A. Pukhov |
|---|---|
| Categories | |
| ArXiv ID | physics/0410268 |
| URL | https://arxiv.org/abs/physics/0410268 |
| DOI | 10.1063/1.1884126 |
Abstract
The similarity theory is derived for ultra-relativistic laser-plasma interactions. First, it is shown that the most fundamental S-similarity is valid for both under- and overdense plasmas. Then, the particular case of tenious plasma is considered in great detail. It is shown that the electron dynamics in this case has two characteristic scales. The fast scale corresponds to relaxation to some attractor solution. The slow dynamics describes an adiabatic evolution of this attractor. This leads to a remarkable wave breaking exclusion rule in the 3D geometry. A similarity theory for the slow dynamics allows obtaining simple ``engineering'' scalings for the maximum electron energies, the number of accelerated electrons, the electron beam density, and for the acceleration distance. These scalings are aimed at design of a high-energy laser-plasma accelerator generating electron beams with superior properties.
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"abstract": "The similarity theory is derived for ultra-relativistic laser-plasma\ninteractions. First, it is shown that the most fundamental S-similarity is\nvalid for both under- and overdense plasmas. Then, the particular case of\ntenious plasma is considered in great detail. It is shown that the electron\ndynamics in this case has two characteristic scales. The fast scale corresponds\nto relaxation to some attractor solution. The slow dynamics describes an\nadiabatic evolution of this attractor. This leads to a remarkable wave breaking\nexclusion rule in the 3D geometry. A similarity theory for the slow dynamics\nallows obtaining simple ``engineering\u0027\u0027 scalings for the maximum electron\nenergies, the number of accelerated electrons, the electron beam density, and\nfor the acceleration distance. These scalings are aimed at design of a\nhigh-energy laser-plasma accelerator generating electron beams with superior\nproperties.",
"arxiv_id": "physics/0410268",
"authors": [
"S. Gordienko",
"A. Pukhov"
],
"categories": [
"physics.plasm-ph",
"physics.acc-ph"
],
"doi": "10.1063/1.1884126",
"title": "Scalings for ultra-relativistic laser plasmas and monoenergetic electrons",
"url": "https://arxiv.org/abs/physics/0410268"
},
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