Exotic dense-matter states pumped by a relativistic laser plasma in the radiation-dominated regime

Colgan, J. and Abdallah, J. and Faenov, A. Ya. and Pikuz, S. A. and Wagenaars, E. and Booth, N. and Culfa, O. and Dance, R. J. and Evans, R. G. and Gray, R. J. and Kaempfer, T. and Lancaster, K. L. and McKenna, P. and Rossall, A. L. and Skobelev, I. Yu. and Schulze, K. S. and Uschmann, I. and Zhidkov, A. G. and Woolsey, N. C. (2013) Exotic dense-matter states pumped by a relativistic laser plasma in the radiation-dominated regime. Physical Review Letters, 110 (12). 125001. ISSN 0031-9007

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    Abstract

    In high-spectral resolution experiments with the petawatt Vulcan laser, strong x-ray radiation of KK hollow atoms (atoms without n = 1 electrons) from thin Al foils was observed at pulse intensities of 3 x 10(20) W/cm(2). The observations of spectra from these exotic states of matter are supported by detailed kinetics calculations, and are consistent with a picture in which an intense polychromatic x-ray field, formed from Thomson scattering and bremsstrahlung in the electrostatic fields at the target surface, drives the KK hollow atom production. We estimate that this x-ray field has an intensity of >5 x 10(18) W/cm(2) and is in the 3 keV range.

    Creators(s): Colgan, J., Abdallah, J., Faenov, A. Ya., Pikuz, S. A., Wagenaars, E., Booth, N., Culfa, O., Dance, R. J., Evans, R. G., Gray, R. J. ORCID logoORCID: https://orcid.org/0000-0003-0610-9595, Kaempfer, T., Lancaster, K. L., McKenna, P. ORCID logoORCID: https://orcid.org/0000-0001-8061-7091, Rossall, A. L., Skobelev, I. Yu., Schulze, K. S., Uschmann, I., Zhidkov, A. G. and Woolsey, N. C.;
    Item type:Article
    ID code:44080
    Notes:(c) 2013 American Physical Society
    Keywords:petawatt Vulcan laser, laser plasma, atom production, high-spectral resolution, Physics, Physics and Astronomy(all)
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:17 Jun 2013 15:06
    Last modified:27 May 2020 05:31
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/44080
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