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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Enhanced performance in fusion plasmas through turbulence suppression by megaelectronvolt ions
Nature Physics, Volume 18, No. 7, Year 2022
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Description
Alpha particles with energies on the order of megaelectronvolts will be the main source of plasma heating in future magnetic confinement fusion reactors. Instead of heating fuel ions, most of the energy of alpha particles is transferred to electrons in the plasma. Furthermore, alpha particles can also excite Alfvénic instabilities, which were previously considered to be detrimental to the performance of the fusion device. Here we report improved thermal ion confinement in the presence of megaelectronvolts ions and strong fast ion-driven Alfvénic instabilities in recent experiments on the Joint European Torus. Detailed transport analysis of these experiments reveals turbulence suppression through a complex multi-scale mechanism that generates large-scale zonal flows. This holds promise for more economical operation of fusion reactors with dominant alpha particle heating and ultimately cheaper fusion electricity. © 2022, The Author(s), under exclusive licence to Springer Nature Limited.
Authors & Co-Authors
Benkadda, Sadruddin
France, Marseille
Aix Marseille Université
Abraham, Kathrin
United Kingdom, Oxford
United Kingdom Atomic Energy Authority
Niaz Akhtar, Majid Niaz
United Kingdom, Oxford
United Kingdom Atomic Energy Authority
Aleiferis, Spyridon
Greece, Athens
National Centre for Scientific Research Demokritos
Alves, E. Jorge
Portugal, Lisbon
Universidade de Lisboa
Angioni, Clemente
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Antoniou, Ioannis E.
United Kingdom, Oxford
United Kingdom Atomic Energy Authority
Balden, Martin
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Barnard, Monica A.
United Kingdom, Oxford
United Kingdom Atomic Energy Authority
Baumane, Larisa
Latvia, Riga
Latvijas Universitāte
Belli, Emily Ann
United States, San Diego
General Atomics
Beurskens, Marc N.A.
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Bilato, Roberto
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Bobkov, Volodymyr V.
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Bohm, Tim D.
United States, Madison
University of Wisconsin-madison
Bourdelle, Clarisse
France, Saint Paul Lez Durance
Cea Cadarache
Braic, Viorel T.
Romania, Bucharest
Optoelectronics S.a.
Brezinsek, Sebastijan
Germany, Julich
Forschungszentrum Jülich Gmbh
Bufferand, Hugo
France, Saint Paul Lez Durance
Cea Cadarache
Buscarino, Arturo
Italy, Catania
Università Degli Studi Di Catania
Carvalho, Pedro J.
Portugal, Lisbon
Universidade de Lisboa
Chankin, Alexch V.
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Ciraolo, Guido
France, Saint Paul Lez Durance
Cea Cadarache
Coelho, R. M.
Portugal, Lisbon
Universidade de Lisboa
Colas, Laurent
France, Saint Paul Lez Durance
Cea Cadarache
Coster, D. P.
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Crialesi-Esposito, Marco
Sweden, Stockholm
The Royal Institute of Technology Kth
Dejarnac, Renaud
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Donné, Anthony J.H.
Unknown Affiliation
Dunai, Dániel
Hungary, Budapest
Centre for Energy Research
D̃uran, Ivan
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Dux, Ralph
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Eich, Thomas
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Fazinic, Stjepko
Croatia, Zagreb
Institut Ruđer Bošković
Fernandes, Horácio M.
Portugal, Lisbon
Universidade de Lisboa
Ferreira, J. G.
Portugal, Lisbon
Universidade de Lisboa
Figueiredo, J.
Portugal, Lisbon
Universidade de Lisboa
Fiorucci, Donatella
Italy, Padua
Consorzio Rfx
Fortuna, Luigi
Italy, Catania
Università Degli Studi Di Catania
Frassinetti, Lorenzo
Sweden, Stockholm
The Royal Institute of Technology Kth
Ga´l, K.
Unknown Affiliation
Giroud, Carine
United Kingdom, Oxford
United Kingdom Atomic Energy Authority
Gorini, Giuseppe
Italy, Milan
Università Degli Studi Di Milano-bicocca
Go¨rler, Tobias
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Greuner, Henri
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Hatch, David R.
United States, Austin
The University of Texas at Austin
Hobirk, Joerg
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Hoenen, Olivier
Unknown Affiliation
Ho¨lzl, Matthias
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Horáček, Jan
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Horton, Lorne D.
Switzerland, Lausanne
École Polytechnique Fédérale de Lausanne
Insulander Björk, Klara
Sweden, Gothenburg
Chalmers University of Technology
Jaulmes, Fabien
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Klix, Axel
Germany, Karlsruhe
Karlsruher Institut Für Technologie
Kotschenreuther, Michael T.
United States, Austin
The University of Texas at Austin
Koubiti, Mohammed
France, Marseille
Aix Marseille Université
Krieger, K.
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Kurki-Suonio, Taina K.
Finland, Espoo
Aalto University
Likonen, Jari
Finland, Espoo
Teknologian Tutkimuskeskus Vtt
López Navarro, Juan Manuel
Spain, Madrid
Universidad Politécnica de Madrid
Loreti, Stefano
Italy, Frascati
Enea Centro Ricerche Frascati
Luce, Timothy Charles
Unknown Affiliation
Lungu, Cristian Petricǎ
Romania, Magurele
National Institute for Laser, Plasma and Radiation Physics
Lunt, Tilmann
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Lyssoivan, Anatoli I.
Belgium, Brussels
Koninklijke Militaire School - Ecole Royale Militaire
Maggi, Costanza F.
United Kingdom, Oxford
United Kingdom Atomic Energy Authority
Mantica, Paola
Italy, Rome
Consiglio Nazionale Delle Ricerche
Mantsinen, Mervi J.
Spain, Barcelona
Institució Catalana de Recerca I Estudis Avançats
Matejčík, Štefan
Germany, Karlsruhe
Karlsruher Institut Für Technologie
Matthews, Guy F.
United Kingdom, Oxford
United Kingdom Atomic Energy Authority
Mayer, Matej
Belgium, Brussels
Koninklijke Militaire School - Ecole Royale Militaire
McCarthy, Patrick J.
Ireland, Cork
University College Cork
Mertens, Ph
Germany, Julich
Forschungszentrum Jülich Gmbh
Messiaen, André M.
Belgium, Brussels
Koninklijke Militaire School - Ecole Royale Militaire
N’Konga, Boniface
France, Le Chesnay
Inria Institut National de Recherche en Informatique et en Automatique
Naulin, Volker
Denmark, Lyngby
Technical University of Denmark
Nestoras, Ioannis
United Kingdom, Oxford
United Kingdom Atomic Energy Authority
Nielsen, Anders Henry
Denmark, Lyngby
Technical University of Denmark
Noterdaeme, Jean Marie
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Papp, Peter
Slovakia, Bratislava
Univerzita Komenského V Bratislave
Porosnicu, Corneliu
Romania, Magurele
National Institute for Laser, Plasma and Radiation Physics
Primetzhofer, Daniel
Sweden, Uppsala
Uppsala Universitet
Provatas, Georgios
Croatia, Zagreb
Institut Ruđer Bošković
Pucella, Gianluca
Italy, Frascati
Enea Centro Ricerche Frascati
Radulović, Vladimir
Slovenia, Ljubljana
Institut Jožef Stefan
Raj, Prasoon
Germany, Karlsruhe
Karlsruher Institut Für Technologie
Rasmussen, Jens Juul
Denmark, Lyngby
Technical University of Denmark
Rebai, M.
Italy, Rome
Consiglio Nazionale Delle Ricerche
Rossi, Riccardo
Italy, Rome
Università Degli Studi Di Roma Tor Vergata
Ruchko, Leonid F.
Brazil, Sao Paulo
Universidade de São Paulo
Saarelma, Samuli
United Kingdom, Oxford
United Kingdom Atomic Energy Authority
Sergienko, Gennady V.
Germany, Julich
Forschungszentrum Jülich Gmbh
Snoj, Luka
Slovenia, Ljubljana
Institut Jožef Stefan
Snyder, Philip B.
United States, San Diego
General Atomics
Tál, Balazs
Germany, Garching Bei Munchen
Max Planck Institute for Plasma Physics
Tardocchi, Marco
Italy, Rome
Consiglio Nazionale Delle Ricerche
Terentyev, Dimitry A.
Belgium, Mol
Sck Cen
Tskhakaya, David D.
Czech Republic, Prague
Academy of Sciences of the Czech Republic
Austria, Vienna
Osterreichische Akademie Der Wissenschaften
Turner, Miles M.
United Kingdom, Oxford
United Kingdom Atomic Energy Authority
Vasilopoulou, Theodora
Greece, Athens
National Centre for Scientific Research Demokritos
Wang, Nengchao
United Kingdom, Oxford
United Kingdom Atomic Energy Authority
Zoletnik, Sándor
Hungary, Budapest
Centre for Energy Research
Statistics
Citations: 34
Authors: 102
Affiliations: 98
Identifiers
Doi:
10.1038/s41567-022-01626-8
ISSN:
17452473