Update on the Scientific Status of the Plasma Focus
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Fecha
2021-09
Profesor/a Guía
Facultad/escuela
Idioma
en
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Título del volumen
Editor
MDPI
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Licencia CC
Attribution 4.0 International (CC BY 4.0)
Licencia CC
https://creativecommons.org/licenses/by/4.0/
Resumen
This paper is a sequel to the 1998 review paper “Scientific status of the Dense Plasma Focus” with 16 authors belonging to 16 nations, whose initiative led to the establishment of the International Center for Dense Magnetized Plasmas (ICDMP) in the year 2000. Its focus is on understanding the principal defining characteristic features of the plasma focus in the light of the developments that have taken place in the last 20 years, in terms of new facilities, diagnostics, models, and insights. Although it is too soon to proclaim with certainty what the plasma focus phenomenon is, the results available to date conclusively indicate what it is demonstrably not. The review looks at the experimental data, cross-correlated across multiple diagnostics and multiple devices, to delineate the contours of an emerging narrative that is fascinatingly different from the standard narrative, which has guided the consensus in the plasma focus community for several decades, without invalidating it. It raises a question mark over the Fundamental Premise of Controlled Fusion Research, namely, that any fusion reaction having the character of a beam-target process must necessarily be more inefficient than a thermonuclear process with a confined thermal plasma at a suitably high temperature. Open questions that need attention of researchers are highlighted. A future course of action is suggested that individual plasma focus laboratories could adopt in order to positively influence the future growth of research in this field, to the general benefit of not only the controlled fusion research community but also the world at large.
Notas
Indexación: Scopus.
Palabras clave
Beam–target mechanism, Coded aperture imaging, Fusion energy, Ion acceleration, Ion imaging, Ion spectroscopy, Magnetic probes, Magnetic reconnection, Monte-Carlo method, Neutron emission, Neutron spectrum, Plasma focus, Plasma modeling, Soft x-ray imaging
Citación
Plasma Open Access Volume 4, Issue 3, Pages 450 - 669 September 2021
DOI
10.3390/plasma4030033