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  • Letter
  • Open Access

Quantum effects on plasma screening for thermonuclear reactions in laser-generated plasmas

David Elsing1,*, Adriana Pálffy1,2, and Yuanbin Wu1,†

  • 1Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, D-69117 Heidelberg, Germany
  • 2Department of Physics, Friedrich-Alexander-Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany

  • *Present address: Institute of Nanotechnology, KIT Campus North, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.
  • †Corresponding author: yuanbin.wu@mpi-hd.mpg.de
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Phys. Rev. Research 4, L022004 – Published 5 April, 2022

DOI: https://doi.org/10.1103/PhysRevResearch.4.L022004

Abstract

A quantum plasma screening model based on the density matrix formalism is used to investigate theoretically the thermonuclear reactions C13(α, n)O16 and H2(d, n)He3 in laser-generated plasmas over a large range of densities and temperatures. For cold and dense (solid-state density) plasmas, our results show that quantum effects can enhance the plasma screening for thermonuclear reactions up to one order of magnitude compared with the classical case. This result can have impact on nuclear astrophysics predictions and also may play a role for fusion energy gain prospects. Our simulations allow us to identify the laser-generated plasma experimental setting in which the quantum effects on plasma screening could be confirmed at existing high-intensity laser facilities.

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Phys. Rev. Research 4, L022004– Published 5 April, 2022
  • Received 15 March 2021
  • Revised 30 November 2021
  • Accepted 9 March 2022
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