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Uniform warm dense matter formed by direct laser heating in the presence of external magnetic fields

D. Wu, W. Yu, Z. M. Sheng, S. Fritzsche, and X. T. He
Phys. Rev. E 101, 051202(R) – Published 20 May 2020

Abstract

With the recent realization of kilotesla quasistatic magnetic fields, the interaction of a laser with magnetized solids enters an unexplored new regime. In particular, a circularly polarized (CP) laser pulse may propagate in a highly magnetized plasma of any high density without encountering cutoff reflection in the whistler mode. With this, we propose a scheme for producing uniform warm dense matter (WDM) by direct laser heating with a CP laser irradiating onto the target along the magnetic field. It is shown by particle-in-cell simulations, which include advanced ionization dynamics and collision dynamics, moderately intense right-hand CP laser light at 1015W/cm2 can propagate in solid aluminum and heat it efficiently to the 100 eV level within picoseconds. By using two laser pulses irradiating from two sides of a thin solid target, uniform heating to WDM can be achieved. This provides a controllable way to create WDM at different temperatures.

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  • Received 18 November 2019
  • Revised 16 April 2020
  • Accepted 6 May 2020

DOI:https://doi.org/10.1103/PhysRevE.101.051202

©2020 American Physical Society

Physics Subject Headings (PhySH)

Plasma Physics

Authors & Affiliations

D. Wu1,*, W. Yu2, Z. M. Sheng3,4, S. Fritzsche5,6, and X. T. He7

  • 1Department of Physics, Institute for Fusion Theory and Simulation, Zhejiang University, 310058 Hangzhou, China
  • 2Shanghai Institute of Optics and Fine Mechanics, 201800 Shanghai, China
  • 3Department of Physics, University of Strathclyde, USPA, Glasgow G4 0NG, United Kingdom
  • 4IFSA Collaborative Innovation Center, Shanghai Jiao Tong University, 200240 Shanghai, China
  • 5Helmholtz Institut Jena, D-07743 Jena, Germany
  • 6Theoretisch-Physikalisches Institut, Friedrich-Schiller-University Jena, D-07743 Jena, Germany
  • 7Key Laboratory of HEDP of the Ministry of Education, CAPT, State Key Laboratory of Nuclear Physics and Technology, Peking University, 100871 Beijing, China

  • *dwu.phys@zju.edu.cn

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Issue

Vol. 101, Iss. 5 — May 2020

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