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Physics of Plasmas, ISSN 1070-664X, 2010, Volume 17, Issue 2
Journal Article
NUCLEAR FUSION, ISSN 0029-5515, 07/2019, Volume 59, Issue 7, p. 76036
Alfven eigenmodes (AE) can be destabilized during ITER discharges driven by neutral beam injection (NBI) energetic particles (EP) and alpha particles. The aim... 
EXCITATION | PHYSICS, FLUIDS & PLASMAS | STABILITY | MHD INSTABILITIES | MHD | ADVANCED SCENARIOS | DRIVEN | alpha particles | TRANSPORT | PLASMA | PROGRESS | ITER | PHYSICS | ENERGETIC PARTICLES | Physics - Plasma Physics
Journal Article
Nuclear Fusion, ISSN 0029-5515, 03/2017, Volume 57, Issue 4, p. 46018
Energetic particle populations in nuclear fusion experiments can destabilize the Alfven Eigenmodes through inverse Landau damping and couplings with gap modes... 
MHD | LHD | energetic particles | Alfvén eigenmodes | stellarator | Alfven eigenmodes | EXCITATION | ALPHA-PARTICLES | TOROIDAL GEOMETRY | PHYSICS, FLUIDS & PLASMAS | PLASMAS | NEUTRAL-BEAM | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Journal Article
Nuclear Fusion, ISSN 0029-5515, 05/2013, Volume 53, Issue 5, pp. 53008 - 11
The dynamics of energetic particle destabilized Alfven frequency sweeping modes in tokamak reversed-shear safety factor discharges are modelled using a new... 
INSTABILITY | PROFILE | PARTICLES | PHYSICS, FLUIDS & PLASMAS | EIGENMODES | PHYSICS, NUCLEAR | FLUID EQUATIONS | DIII-D | PLASMAS | GYROFLUID MODEL | TOKAMAK | Reconstruction | Sweeping | Similarity | Dynamics | Safety factors | Cascades | Mathematical models | Frequency variation
Journal Article
NUCLEAR FUSION, ISSN 0029-5515, 10/2019, Volume 59, Issue 10, p. 106042
The radial structure of the continuum spectrum of shear Alfven and Alfven-acoustic waves in the beta-induced Alfven eigenmode (BAE) frequency range is modeled... 
Alfven continuum | IDEAL | frequency splitting | PHYSICS, FLUIDS & PLASMAS | 3D effects | tokamak | helical core | INSTABILITIES
Journal Article
NUCLEAR FUSION, ISSN 0029-5515, 09/2019, Volume 59, Issue 9, p. 96018
Comprehensive magnetohydrodynamic (MHD) hybrid simulations with neutral beam injection and collisions were conducted to investigate the Alfven eigenmode (AE)... 
large helical device | TRANSPORT | PHYSICS, FLUIDS & PLASMAS | comprehensive magnetohydrodynamic simulation | fast ion loss due to AE burst | INSTABILITIES
Journal Article
Nuclear Fusion, ISSN 0029-5515, 06/2017, Volume 57, Issue 8, p. 86018
Energetic particles are inherent to toroidal fusion systems and can drive instabilities in the Alfven frequency range, leading to decreased heating efficiency,... 
gyrokinetics | energetic particles | Alfven wave | PHYSICS, FLUIDS & PLASMAS | stellarator | EQUATIONS | LHD | fast ion instability linear | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Journal Article
Physics of Plasmas, ISSN 1070-664X, 08/2017, Volume 24, Issue 8, p. 81203
Alfvén eigenmodes (AEs) destabilized by the neutral beam injection (NBI) in a Large Helical Device experiment are investigated using multi-phase... 
TRANSPORT | MODES | EQUILIBRIA | PHYSICS, FLUIDS & PLASMAS | LHD | ENERGETIC PARTICLES | PLASMAS | TOROIDAL ALFVEN EIGENMODE
Journal Article
Nuclear Fusion, ISSN 0029-5515, 09/2017, Volume 57, Issue 12, p. 126019
Alfven Eigenmodes (AE) can be destabilized by energetic particles in neutral beam injection (NBI) heated plasmas through inverse Landau damping and couplings... 
MHD | energetic particles | TJ-II | stellarators | JT-60U | EXCITATION | PHYSICS, FLUIDS & PLASMAS | STABILITY | MHD INSTABILITIES | BALLOONING MODES | BEAM IONS | DRIVEN | TOROIDAL GEOMETRY | HELICAL DEVICE PLASMAS | TOKAMAK | Physics - Plasma Physics | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Journal Article
NUCLEAR FUSION, ISSN 0029-5515, 04/2019, Volume 59, Issue 4, p. 46008
The aim of this study is to perform a theoretical analysis of the magnetohydrodynamic (MHD) stability and energetic particle effects on a LHD equilibria,... 
energetic particles | plasma stability | EXCITATION | PHYSICS, FLUIDS & PLASMAS | LARGE HELICAL DEVICE | CONFINEMENT | LHD | IONS | TOROIDAL ALFVEN EIGENMODES | DRIVEN | EIC | INSTABILITIES | Physics - Plasma Physics
Journal Article
Physics of Plasmas, ISSN 1070-664X, 12/2017, Volume 24, Issue 12, p. 122511
A nonlinear bump-on-tail model for the growth and saturation of energetic particle driven plasma waves has been extended to include two populations of fast... 
PLASMA | CHAPTER 5 | PHYSICS, FLUIDS & PLASMAS | IONS | TAE | PHYSICS | INSTABILITIES
Journal Article
Physics of Plasmas, ISSN 1070-664X, 02/2019, Volume 26, Issue 2, p. 22502
The reversed-field pinch (RFP) can spontaneously transition from an axisymmetric magnetic topology to a 3D-helical geometry. Investigations on fast ion... 
CONFINEMENT | PHYSICS, FLUIDS & PLASMAS | FLUCTUATIONS | TOKAMAK
Journal Article
Physics of Plasmas, ISSN 1070-664X, 05/2011, Volume 18, Issue 5, pp. 056109 - 056109-8
Journal Article
NUCLEAR FUSION, ISSN 0029-5515, 04/2019, Volume 59, Issue 4, p. 46017
Alfven Eigenmodes (AE) and magneto-hydrodynamic (MHD) modes are destabilized in DIII-D reverse magnetic shear configurations and may limit the performance of... 
52.55.Hc | EXCITATION | PHYSICS, FLUIDS & PLASMAS | STABILITY | PERFORMANCE | MHD INSTABILITIES | DRIVEN | IMPROVED CONFINEMENT | ALFVEN EIGENMODE OBSERVATIONS | 52.55.Tn | INTERNAL TRANSPORT BARRIER | PLASMA | 52.35.Py | 52.65.Kj | TOKAMAK | Physics - Plasma Physics | Tokamak | MHD | energetic particles | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY | DIII-D | Pedestal
Journal Article
Nuclear Fusion, ISSN 0029-5515, 10/2018, Volume 58, Issue 12, p. 126027
Fast particles in fusion plasmas may drive Alfven modes unstable leading to fluctuations of the internal electromagnetic fields and potential loss of... 
toroidal Alfvén eigenmodes | Alfvén waves | gyro-kinetics | magneto-hydro-dynamic | Alfven waves | PHYSICS, FLUIDS & PLASMAS | toroidal Alfven eigenmodes | SIMULATIONS | MODEL | PLASMAS | TOROIDAL ALFVEN EIGENMODE | TOKAMAKS | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Journal Article
Physical Review Letters, ISSN 0031-9007, 04/2018, Volume 120, Issue 15, p. 155002
DIII-D experiments at low density (n(e) similar to 10(19) m(-3)) have directly measured whistler waves in the 100-200 MHz range excited by multi-MeV runaway... 
SPACE | PHYSICS, MULTIDISCIPLINARY | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Journal Article
NUCLEAR FUSION, ISSN 0029-5515, 12/2019, Volume 59, Issue 12, p. 124004
We report the first observation of chirping instabilities driven by runaway electrons (REs) in a tokamak. The instabilities are accessed during the... 
runaway electrons | kinetic instabilities | MODES | frequency chirping | PHYSICS, FLUIDS & PLASMAS | CHORUS | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Journal Article
Physics of Plasmas, ISSN 1070-664X, 04/2005, Volume 12, Issue 5, pp. 056114 - 056114-9
A moments method approach for stellarator transport is developed and applied to devices embodying the three forms (quasihelical, quasitoroidal, and... 
TRANSPORT-COEFFICIENTS | ROTATION | RADIAL ELECTRIC-FIELD | TOROIDAL PLASMAS | MOMENTUM | PHYSICS, FLUIDS & PLASMAS | PHYSICS | IMPURITIES | TOKAMAK | MOMENTS METHOD | NEOCLASSICAL TRANSPORT THEORY | PLASMA INSTABILITY | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY | PLASMA | ELECTRON TEMPERATURE | STELLARATORS | ION TEMPERATURE
Journal Article
Plasma Physics and Controlled Fusion, ISSN 0741-3335, 02/2011, Volume 53, Issue 2, p. 024008
Comprehensive understanding of energetic-ion-driven global instabilities such as Alfven eigenmodes (AEs) and their impact on energetic ions and bulk plasma is... 
INDUCED ALFVEN EIGENMODES | TOROIDICITY | TAE-MODES | TOROIDAL PLASMAS | TRANSPORT | ALPHA-PARTICLES | PHYSICS, FLUIDS & PLASMAS | STABILITY | LARGE HELICAL DEVICE | MHD INSTABILITIES | DIII-D TOKAMAK | PHYSICS, NUCLEAR | TAIL IONS | COMPRESSIBILITY | REVERSED SHEAR | GEODESICS | ROTATIONAL TRANSFORM | ACOUSTICS | HELICITY | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY | PLASMA | CONFINEMENT | STELLARATORS
Journal Article
by Wolf, R.C and Ali, A and Alonso, A and Baldzuhn, J and Beidler, C and Beurskens, M and Biedermann, C and Bosch, H.S and Bozhenkov, S and Brakel, R and Dinklage, A and Feng, Y and Fuchert, G and Geiger, J and Grulke, O and Helander, P and Hirsch, M and Höfel, U and Jakubowski, M and Knauer, J and Kocsis, G and König, R and Kornejew, P and Kràmer-Flecken, A and Krychowiak, M and Laneman, M and Langenberg, A and Laqua, H. P and Lazerson, S and Maaßberg, H and Marsen, S and Marushchenko, M and Moseev, D and Niemann, H and Pablant, N and Pasch, E and Rahbarnia, K and Schlisio, G and Stange, T and Sunn Pedersen, T and Svensson, J and Szepesi, T and Trimino Mora, H and Turkin, Y and Wauters, T and Weir, G and Wenzel, U and Windisch, T and Wurden, G and Zhang, D and Abramovic, I and Äkàslompolo, S and Aleynikov, P and Aleynikova, K and Alzbutas, R and Anda, G and Aneeva, T and Ascasibar, E and Assmann, J and Baek, S. G and Banduch, M and Barbui, T and Barlak, M and Baumann, K and Behr, W and Benndorf, A and Bertuch, O and Biel, W and Birus, D and Blackwell, B and Blanco, E and Blatzheim, M and Bluhm, T and Böckenhoff, D and Bolgert, P and Borchardt, M and Borsuk, V and Boscary, J and Böttger, L. G and Brand, H and Brandt, Ch and Bràuer, T and Braune, H and Brezinsek, S and Brunner, K. J and Brünner, B and Burhenn, R and Buttenschön, B and Bykov, V and Calvo, I and Cannas, B and Cappa, A and Carls, A and Carraro, L and Carvalho, B and Castejon, F and Charl, A and Chernyshev, F and Cianciosa, M and Citarella, R and ... and Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States) and Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States) and Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Nuclear Fusion, ISSN 0029-5515, 07/2017, Volume 57, Issue 10, p. 102020
After completing the main construction phase of Wendelstein 7-X (W7-X) and successfully commissioning the device, first plasma operation started at the end of... 
Condensed Matter Physics | magnetic confinement | Nuclear and High Energy Physics | plasma heating | stellarator | current drive | TRANSPORT | PHYSICS, FLUIDS & PLASMAS | CONFINEMENT | PHYSICS | Magnetic Fusion Energy | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY
Journal Article