Quasi-static and dynamic magnetic tension forces in arched, line-tied magnetic flux ropes
Abstract
Solar eruptions are often driven by magnetohydrodynamic instabilities such as the torus and kink instabilities that act on line-tied magnetic flux ropes. We designed our recent laboratory experiments to study these eruptive instabilities which have demonstrated the key role of both dynamic (Myers et al 2015 Nature 528 526) and quasi-static (Myers et al 2016 Phys. Plasmas 23 112102) magnetic tension forces in contributing to the equilibrium and stability of line-tied magnetic flux ropes. In our paper, we synthesize these laboratory results and explore the relationship between the dynamic and quasi-static tension forces. And while the quasi-static tension force is found to contribute to the flux rope equilibrium in a number of regimes, the dynamic tension force is substantial mostly in the so-called failed torus regime where magnetic self-organization events prevent the flux rope from erupting.
- Authors:
-
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States); Princeton Univ., NJ (United States). Dept. of Astrophysical Sciences; Harbin Inst. of Technology (China). Lab. for Space Environment and Physical Sciences
- Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States); Princeton Univ., NJ (United States). Dept. of Astrophysical Sciences
- Publication Date:
- Research Org.:
- Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Fusion Energy Sciences (FES)
- OSTI Identifier:
- 1338611
- Alternate Identifier(s):
- OSTI ID: 1333234
- Grant/Contract Number:
- AC02-09CH11466
- Resource Type:
- Journal Article: Accepted Manuscript
- Journal Name:
- Plasma Physics and Controlled Fusion
- Additional Journal Information:
- Journal Volume: 59; Journal Issue: 1; Journal ID: ISSN 0741-3335
- Publisher:
- IOP Science
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; laboratory astrophysics; magnetic flux ropes; coronal mass ejections; failed eruptions
Citation Formats
Myers, C. E., Yamada, M., Ji, H., Yoo, J., Jara-Almonte, J., and Fox, W. Quasi-static and dynamic magnetic tension forces in arched, line-tied magnetic flux ropes. United States: N. p., 2016.
Web. doi:10.1088/0741-3335/59/1/014048.
Myers, C. E., Yamada, M., Ji, H., Yoo, J., Jara-Almonte, J., & Fox, W. Quasi-static and dynamic magnetic tension forces in arched, line-tied magnetic flux ropes. United States. https://doi.org/10.1088/0741-3335/59/1/014048
Myers, C. E., Yamada, M., Ji, H., Yoo, J., Jara-Almonte, J., and Fox, W. 2016.
"Quasi-static and dynamic magnetic tension forces in arched, line-tied magnetic flux ropes". United States. https://doi.org/10.1088/0741-3335/59/1/014048. https://www.osti.gov/servlets/purl/1338611.
@article{osti_1338611,
title = {Quasi-static and dynamic magnetic tension forces in arched, line-tied magnetic flux ropes},
author = {Myers, C. E. and Yamada, M. and Ji, H. and Yoo, J. and Jara-Almonte, J. and Fox, W.},
abstractNote = {Solar eruptions are often driven by magnetohydrodynamic instabilities such as the torus and kink instabilities that act on line-tied magnetic flux ropes. We designed our recent laboratory experiments to study these eruptive instabilities which have demonstrated the key role of both dynamic (Myers et al 2015 Nature 528 526) and quasi-static (Myers et al 2016 Phys. Plasmas 23 112102) magnetic tension forces in contributing to the equilibrium and stability of line-tied magnetic flux ropes. In our paper, we synthesize these laboratory results and explore the relationship between the dynamic and quasi-static tension forces. And while the quasi-static tension force is found to contribute to the flux rope equilibrium in a number of regimes, the dynamic tension force is substantial mostly in the so-called failed torus regime where magnetic self-organization events prevent the flux rope from erupting.},
doi = {10.1088/0741-3335/59/1/014048},
url = {https://www.osti.gov/biblio/1338611},
journal = {Plasma Physics and Controlled Fusion},
issn = {0741-3335},
number = 1,
volume = 59,
place = {United States},
year = {Tue Nov 22 00:00:00 EST 2016},
month = {Tue Nov 22 00:00:00 EST 2016}
}
Web of Science
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Works referencing / citing this record:
Signatures of Magnetic Flux Ropes in the Low Solar Atmosphere Observed in High Resolution
journal, April 2019
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- Frontiers in Astronomy and Space Sciences, Vol. 6