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- W2078401549 abstract "Summary form only given. Lasers with peak intensities of 10 <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>22</sup> W/cm <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sup> have already been created [1] and within the next ten years the maximum attainable intensity is expected to increase to 10 <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>24</sup> W/cm <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sup> [2] . In this intensity regime electrons become ultra relativistic, with kinetic energies of hundreds of times their rest mass energy, ions become relativistic, low density solids become relativistically transparent and additional physical processes, such as synchrotron emission and even electron-positron pair production, become important. The combination of these effects means that the behaviour of systems above 10 <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>23</sup> W/cm <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sup> is qualitatively different to that at lower intensities. To model this regime one must consider these additional physical processes, and this has been done by modifying the PIC code EPOCH [3] to include a semiclassical model for photon production by synchrotron emission and then the conversion of these photons into electron-positron pairs by the Breit-Wheeler process." @default.
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- W2078401549 date "2012-07-01" @default.
- W2078401549 modified "2023-10-16" @default.
- W2078401549 title "Anomalous laser absorption in underdense solid targets by synchrotron emission" @default.
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- W2078401549 doi "https://doi.org/10.1109/plasma.2012.6383545" @default.
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