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Title: A new frontier in laboratory physics: magnetized electron–positron plasmas

Abstract

We describe here efforts to create and study magnetized electron–positron pair plasmas, the existence of which in astrophysical environments is well-established. Laboratory incarnations of such systems are becoming ever more possible due to novel approaches and techniques in plasma, beam and laser physics. Traditional magnetized plasmas studied to date, both in nature and in the laboratory, exhibit a host of different wave types, many of which are generically unstable and evolve into turbulence or violent instabilities. This complexity and the instability of these waves stem to a large degree from the difference in mass between the positively and the negatively charged species: the ions and the electrons. The mass symmetry of pair plasmas, on the other hand, results in unique behaviour, a topic that has been intensively studied theoretically and numerically for decades, but experimental studies are still in the early stages of development. A levitated dipole device is now under construction to study magnetized low-energy, short-Debye-length electron–positron plasmas; this experiment, as well as a stellarator device that is in the planning stage, will be fuelled by a reactor-based positron source and make use of state-of-the-art positron cooling and storage techniques. Relativistic pair plasmas with very different parameters will bemore » created using pair production resulting from intense laser–matter interactions and will be confined in a high-field mirror configuration. We highlight the differences between and similarities among these approaches, and discuss the unique physics insights that can be gained by these studies.« less

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3];  [4]; ORCiD logo [3]; ORCiD logo [3];  [5]; ORCiD logo [4];  [6];  [7];  [7];  [8];  [3];  [3]; ORCiD logo [3]; ORCiD logo [3];  [3];  [3];  [8];  [3] more »;  [9];  [5];  [10]; ORCiD logo [4];  [7] « less
  1. Max Planck Society, Garching (Germany). Max Planck Institute for Plasma Physics; Lawrence Univ., Appleton, WI (United States)
  2. Max Planck Society, Garching (Germany). Max Planck Institute for Plasma Physics; Univ. of Greifswald (Germany)
  3. Max Planck Society, Garching (Germany). Max Planck Institute for Plasma Physics
  4. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  5. Univ. of Michigan, Ann Arbor, MI (United States)
  6. Univ. of Tokyo (Japan)
  7. Univ. of California, San Diego, CA (United States)
  8. Technical Univ. of Munich (Germany)
  9. Univ. of Greifswald (Germany)
  10. Univ. of Rochester, NY (United States)
Publication Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); USDOE Laboratory Directed Research and Development (LDRD) Program; European Research Council (ERC); German Research Foundation (DFG); Japan Society for the Promotion of Science (JSPS)
OSTI Identifier:
1727269
Report Number(s):
LLNL-JRNL-801138
Journal ID: ISSN 0022-3778; 1004324
Grant/Contract Number:  
AC52-07NA27344; SC0019271; 741322; Hu-978/15; Hu-978/16; Sa-2788/2; 25707043; 16KK0094
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Plasma Physics
Additional Journal Information:
Journal Volume: 86; Journal Issue: 6; Journal ID: ISSN 0022-3778
Publisher:
Cambridge University Press
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; plasma confinement; plasma devices; plasma instabilities

Citation Formats

Stoneking, M. R., Pedersen, T. Sunn, Helander, P., Chen, H., Hergenhahn, U., Stenson, E. V., Fiksel, G., von der Linden, J., Saitoh, H., Surko, C. M., Danielson, J. R., Hugenschmidt, C., Horn-Stanja, J., Mishchenko, A., Kennedy, D., Deller, A., Card, A., Nißl, S., Singer, M., Singer, M., König, S., Willingale, L., Peebles, J., Edwards, M. R., and Chin, K.. A new frontier in laboratory physics: magnetized electron–positron plasmas. United States: N. p., 2020. Web. https://doi.org/10.1017/s0022377820001385.
Stoneking, M. R., Pedersen, T. Sunn, Helander, P., Chen, H., Hergenhahn, U., Stenson, E. V., Fiksel, G., von der Linden, J., Saitoh, H., Surko, C. M., Danielson, J. R., Hugenschmidt, C., Horn-Stanja, J., Mishchenko, A., Kennedy, D., Deller, A., Card, A., Nißl, S., Singer, M., Singer, M., König, S., Willingale, L., Peebles, J., Edwards, M. R., & Chin, K.. A new frontier in laboratory physics: magnetized electron–positron plasmas. United States. https://doi.org/10.1017/s0022377820001385
Stoneking, M. R., Pedersen, T. Sunn, Helander, P., Chen, H., Hergenhahn, U., Stenson, E. V., Fiksel, G., von der Linden, J., Saitoh, H., Surko, C. M., Danielson, J. R., Hugenschmidt, C., Horn-Stanja, J., Mishchenko, A., Kennedy, D., Deller, A., Card, A., Nißl, S., Singer, M., Singer, M., König, S., Willingale, L., Peebles, J., Edwards, M. R., and Chin, K.. Wed . "A new frontier in laboratory physics: magnetized electron–positron plasmas". United States. https://doi.org/10.1017/s0022377820001385. https://www.osti.gov/servlets/purl/1727269.
@article{osti_1727269,
title = {A new frontier in laboratory physics: magnetized electron–positron plasmas},
author = {Stoneking, M. R. and Pedersen, T. Sunn and Helander, P. and Chen, H. and Hergenhahn, U. and Stenson, E. V. and Fiksel, G. and von der Linden, J. and Saitoh, H. and Surko, C. M. and Danielson, J. R. and Hugenschmidt, C. and Horn-Stanja, J. and Mishchenko, A. and Kennedy, D. and Deller, A. and Card, A. and Nißl, S. and Singer, M. and Singer, M. and König, S. and Willingale, L. and Peebles, J. and Edwards, M. R. and Chin, K.},
abstractNote = {We describe here efforts to create and study magnetized electron–positron pair plasmas, the existence of which in astrophysical environments is well-established. Laboratory incarnations of such systems are becoming ever more possible due to novel approaches and techniques in plasma, beam and laser physics. Traditional magnetized plasmas studied to date, both in nature and in the laboratory, exhibit a host of different wave types, many of which are generically unstable and evolve into turbulence or violent instabilities. This complexity and the instability of these waves stem to a large degree from the difference in mass between the positively and the negatively charged species: the ions and the electrons. The mass symmetry of pair plasmas, on the other hand, results in unique behaviour, a topic that has been intensively studied theoretically and numerically for decades, but experimental studies are still in the early stages of development. A levitated dipole device is now under construction to study magnetized low-energy, short-Debye-length electron–positron plasmas; this experiment, as well as a stellarator device that is in the planning stage, will be fuelled by a reactor-based positron source and make use of state-of-the-art positron cooling and storage techniques. Relativistic pair plasmas with very different parameters will be created using pair production resulting from intense laser–matter interactions and will be confined in a high-field mirror configuration. We highlight the differences between and similarities among these approaches, and discuss the unique physics insights that can be gained by these studies.},
doi = {10.1017/s0022377820001385},
journal = {Journal of Plasma Physics},
number = 6,
volume = 86,
place = {United States},
year = {2020},
month = {11}
}

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