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Colgan J, Abdallah J, Faenov AY, et al. Exotic dense-matter states pumped by a relativistic laser plasma in the radiation-dominated regime. Phys Rev Lett. 2013;110(12):125001doi: 10.1103/PhysRevLett.110.125001.
Colgan, J., Abdallah, J., Faenov, A. Y., Pikuz, S. A., Wagenaars, E., Booth, N., Culfa, O., Dance, R. J., Evans, R. G., Gray, R. J., Kaempfer, T., Lancaster, K. L., McKenna, P., Rossall, A. L., Skobelev, I. Y., Schulze, K. S., Uschmann, I., Zhidkov, A. G., & 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. https://doi.org/10.1103/PhysRevLett.110.125001
Colgan, J, et al. "Exotic dense-matter states pumped by a relativistic laser plasma in the radiation-dominated regime." Physical review letters vol. 110,12 (2013): 125001. doi: https://doi.org/10.1103/PhysRevLett.110.125001
Colgan J, Abdallah J, Faenov AY, Pikuz SA, Wagenaars E, Booth N, Culfa O, Dance RJ, Evans RG, Gray RJ, Kaempfer T, Lancaster KL, McKenna P, Rossall AL, Skobelev IY, Schulze KS, Uschmann I, Zhidkov AG, Woolsey NC. Exotic dense-matter states pumped by a relativistic laser plasma in the radiation-dominated regime. Phys Rev Lett. 2013 Mar 22;110(12):125001. doi: 10.1103/PhysRevLett.110.125001. Epub 2013 Mar 18. PMID: 25166812.
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Phys Rev Lett. 2013 Mar 22;110(12):125001. doi: 10.1103/PhysRevLett.110.125001. Epub 2013 Mar 18.

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

Physical review letters

J Colgan, J Abdallah, A Ya Faenov, S A Pikuz, E Wagenaars, N Booth, O Culfa, R J Dance, R G Evans, R J Gray, T Kaempfer, K L Lancaster, P McKenna, A L Rossall, I Yu Skobelev, K S Schulze, I Uschmann, A G Zhidkov, N C Woolsey

Affiliations

  1. Theoretical Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA.
  2. Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow 125412, Russia and Quantum Beam Science Directorate, Japan Atomic Energy Agency, Kizugawa, Kyoto 619-0215, Japan.
  3. Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow 125412, Russia.
  4. York Plasma Institute, Department of Physics, University of York, York YO10 5DD, United Kingdom.
  5. Central Laser Facility, STFC Rutherford Appleton Laboratory, Didcot, Oxfordshire OX11 0QX, United Kingdom.
  6. Department of Physics, Imperial College, London SW7 2AZ, United Kingdom.
  7. SUPA, Department of Physics, University of Strathclyde, Glasgow G4 ONG, United Kingdom.
  8. Helmholtzinstitut Jena, Fröbelstieg 1, D-07743 Jena, Germany.
  9. Helmholtzinstitut Jena, Fröbelstieg 1, D-07743 Jena, Germany and Institut für Optik und Quantenelektronic, Friedrich-Schiller-Universität Jena, Max-Wien Platz 1, D-07743 Jena, Germany.
  10. PPC Osaka University and JST, CREST, 2-1, Yamadaoka, Suita, Osaka 565-0871, Japan.

PMID: 25166812 DOI: 10.1103/PhysRevLett.110.125001

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 × 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 × 10(18) W/cm(2) and is in the 3 keV range.

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