Results 51 to 60 of about 1,577 (223)

Measurements of Auroral Plasma Properties Using Low‐Cost, Mobile, Ground‐Based Detectors

Earth and Space Science, Volume 12, Issue 9, September 2025.
Abstract An expedition to Fairbanks, AK, was undertaken to study the aurora during the peak of solar cycle 25. Low‐cost diagnostics were developed to enable ground‐based measurements of ionospheric plasma parameters and auroral phenomena, namely a compact spectrometer and a high‐resolution all‐sky camera with 2‐axis magnetometer. Observations were made
S. Mackie, J. Rivera, T. Evans, J. L. Ball, S. Dannhoff, J. Heinzel, J. Van de Lindt, S. Moroch   +7 more
wiley   +1 more source

Fast and Invertible Simplicial Approximation of Magnetic‐Following Interpolation for Visualizing Fusion Plasma Simulation Data

Computer Graphics Forum, Volume 44, Issue 3, June 2025.
Abstract We introduce a fast and invertible approximation for fusion plasma simulation data represented as 2D planar meshes with connectivities approximating magnetic field lines along the toroidal dimension in deformed 3D toroidal spaces. Scientific variables (e.g., density and temperature) in these fusion data are interpolated following a complex ...
Congrong Ren, Robert Hager, Randy Michael Churchill, Albert Mollén, Seung‐Hoe Ku, Choong‐Seock Chang, Hanqi Guo   +6 more
wiley   +1 more source

Performance prediction applying different reduced turbulence models to the SMART tokamak

Nuclear Fusion
The SMall Aspect Ratio Tokamak (SMART) is currently being commissioned at the University of Seville and will be able to compare the performance of positive and negative triangularity plasmas at low aspect ratio. Predictive simulations have been performed
D.J. Cruz-Zabala, M. Podestà, F. Poli, S.M. Kaye, M. Garcia-Munoz, E. Viezzer, J.W. Berkery   +6 more
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Features of spherical torus plasmas [PDF]

, 1985
The spherical torus is a very small aspect ratio (A 2 are characterized by high toroidal beta (..beta../sub t/ > 0.2), low poloidal beta (..beta../sub p/ 1.5), and strong plasma helicity (F comparable to THETA).
Strickler, D. J., Peng, Y. K. M.
core   +1 more source

Self‐Organized Growth of Catalyst‐Free Single Crystal WnO3n‐2 (n = 25) Nanowire Bundles on Si (111) via Selective He+ Ion Irradiation

Advanced Materials Interfaces, Volume 12, Issue 10, May 19, 2025.
A novel and efficient method is explored to synthesize 1D single‐crystal sub‐stoichiometric WnO3n‐2 (n = 25) nanowire bundles. The approach utilizes selective low‐energy He+ ion irradiation (27 eV) on Mo‐Ni doped WOx surface, achieving efficient catalyst‐free self‐organized growth of high aspect ratio nanowires at the temperature of 700 °C.
Maryna Bilokur, Matt Thompson, Matthew Arnold, Cormac Corr   +3 more
wiley   +1 more source

Overview of fast particle experiments in the first MAST Upgrade experimental campaigns

Nuclear Fusion
MAST-U is equipped with on-axis and off-axis neutral beam injectors (NBI), and these external sources of super-Alfvénic deuterium fast-ions provide opportunities for studying a wide range of phenomena relevant to the physics of alpha-particles in burning
J.F. Rivero-Rodríguez, K.G. McClements, M. Fitzgerald, S.E. Sharapov, M. Cecconello, N.A. Crocker, I. Dolby, M. Dreval, N. Fil, J. Galdón-Quiroga, M. García-Muñoz, S. Blackmore, W. Heidbrink, S. Henderson, A. Jackson, A. Kappatou, D. Keeling, D. Liu, Y.Q. Liu, C. Michael, H.J.C. Oliver, P. Ollus, E. Parr, G. Prechel, T. Rhodes, D. Ryan, P. Shi, M. Vallar, L. Velarde, T. Williams, H. Wong, the EUROfusion Tokamak Exploitation Team, the MAST-U Team   +32 more
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A New Approach Toward Extreme Thermal Stability of Femtosecond Laser Induced Modifications in Glasses

Laser &Photonics Reviews, Volume 19, Issue 3, February 5, 2025.
Femtosecond laser irradiation inside Al2O3‐SiO2 and ZrO2‐Al2O3‐SiO2 glasses can induce polarization‐controlled birefringent nanostructures, along with local precipitation of refractory nanocrystals like tetragonal ZrO2 or mullite. These structures yield a persisting positive index contrast with extraordinary thermal stability (>1600 °C), opening a ...
Imane Ktafi, Jing Kong, Maxime Cavillon, Bertrand Poumellec, Maureen Yembele, Renaud Valois, Mathieu Allix, Gang‐Ding Peng, Matthieu Lancry   +8 more
wiley   +1 more source

Spherical tokamak physics research in preparation for the operation of NSTX-U

Nuclear Fusion
The National Spherical Torus Experiment Upgrade (NSTX-U) is preparing to resume operation, representing a crucial step toward realizing compact, cost-effective fusion pilot plants.
S. Munaretto, P.O. Adebayo-Ige, H. Anand, G. Avdeeva, S.G. Baek, K. Barada, E. Belli, E.V. Belova, J.W. Berkery, T.N. Bernard, N. Bertelli, P. Bonofiglo, P.T. Bonoli, M.D. Boyer, J. Candy, C.S. Chang, H. Chung, C. Clauser, M. Comanescu, D. Corona, N.A. Crocker, R. De Levante Rodriguez, E.W. DeShazer, A. Diallo, J. Dominski, V.N. Duarte, F. Ebrahimi, E.D. Emdee, S. Ethier, N.M. Ferraro, E.L. Foley, E.D. Fredrickson, M.E. Galante, K.F. Gan, S. Gerhardt, R.J. Goldston, M. Gorelenkova, W. Guttenfelder, R. Hager, F.D. Halpern, J. Halpern, D. Hatch, F. Hoffmann, M.S. Islam, S.C. Jardin, S.M. Kaye, A. Khodak, J.E. Kinsey, A. Kleiner, E. Kolemen, S. Ku, M. Lampert, B. Leard, B.P. LeBlanc, J.B. Lestz, F.M. Levinton, P.-Y. Li, N.C. Logan, N.A. Lopez, R. Lunsford, T. Macwan, R. Maingi, J. McClenaghan, A.G. McLean, J.E. Menard, Y.-S. Na, A.O. Nelson, M. Ono, A. Pajares, A. Pankin, J. Parisi, F.I. Parra, M.S. Parsons, B.S. Patel, M. Podestá, F.M. Poli, M. Porcelli, T. Rafiq, R. Raman, J.D. Riquezes, S.A. Sabbagh, A. Sanchez-Villar, E. Schuster, S. Shiraiwa, T. Singh, S.P. Smith, D. Smith, V.A. Soukhanovskii, G.M. Staebler, B. Stratton, K.E. Thome, M. Tobin, I.U. Uzun-Kaymak, B. Van Compernolle, W.X. Wang, W. Wehner, A.S. Welander, B.D. Wirth, J. Yang, V. Zamkovska, X. Zhang   +100 more
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Ion‐Mediated Tearing and Kink Instabilities in the Earth's Magnetosphere: Hybrid‐Vlasov Simulations

Journal of Geophysical Research: Space Physics, Volume 130, Issue 1, January 2025.
Abstract We explore the three‐dimensional structure of ion‐kinetic instabilities in a thin current layer using a hybrid‐Vlasov simulation of the Earth's magnetosphere. The simulation shows the simultaneous growth of tearing and kinking instabilities, which develop in the Sun‐Earth and dawn‐dusk directions, respectively, within the magnetotail current ...
I. Zaitsev, G. Cozzani, M. Alho, K. Horaites, H. Zhou, A. Kit, Y. Pfau‐Kempf, S. Hoilijoki, U. Ganse, M. Battarbee, K. Papadakis, J. Suni, M. Dubart, F. Tesema‐Kebede, A. Workayehu, V. Tarvus, L. Kotipalo, V. Koikkalainen, L. Turc, M. Palmroth   +19 more
wiley   +1 more source

Overview of the MAST Upgrade physics programme: testing novel concepts at low aspect ratio to inform future devices

Nuclear Fusion
The research programme performed on the Mega Amp Spherical Tokamak (MAST) Upgrade experiment has made significant advances in developing the physics understanding of low aspect ratio tokamaks in support of the operation of ITER and design of fusion ...
J.R. Harrison, A. Aboutaleb, M. Aljunid, S.Y. Allan, R. Allan, A. Alli, H. Anand, Y. Andrew, L.C. Appel, A. Ash, J. Ashton, F. Auriemma, O. Bachmann, S. Bakes, P. Balazs, O. Bardsley, M. Barnes, B. Barrett, D. Baver, C. Beckley, J. Bennett, J. Bentley, J. Berkery, M. Bernert, N. Bertelli, P. Bilkova, S. Blackmore, A. Bock, W. Boeglin, P. Bohm, J. Booth, A. Bosnjak, C. Bowman, J. Bradley, L. Bramucci, D. Brida, M. Brix, P.K. Browning, D. Brunetti, P. Bryant, J. Bryant, J. Buchanan, M. Bull, M. Bulman, N. Bulmer, D. Burke, P. Cahill, P. Cano-Megías, M. Carpita, A. Carruthers, L. Casali, A. Cassidy, F. Causa, M. Cecconello, A. Celora, M. Cha, B. Chamberlain, B. Chapman, B. Chapman-Oplopoiou, R. Chazal, X. Chen, J. Clark, M. Clark, T. Clayton, K. Collie, D. Collishaw-Schepman, J.W. Connor, M. Coy, S. Cramp, N. Crocker, D. Cruse, G. Cunningham, M. Czarski, I. Cziegler, Y. Damizia, P. Davies, K. Davies, I. Day, E. Delabie, G.L. Derks, S. Dixon, J. Dobrashian, M. Dreval, X. Du, H. Dudding, D. Dunai, M. Dunne, F. Ebrahimi, J. Edmond, J. Edwards, H. El-Haroun, S. Elmore, Y. Enters, M. Faitsch, F. Federici, N. Fedorczak, F. Felici, N. Ferraro, A.R. Field, P. Figueiredo, I. FitzGerald, M. Fitzgerald, R. Fitzpatrick, C. Fitzpatrick, S. Frankel, L. Frassinetti, D. Frattolillo, S. Freethy, W. Fuller, R. Futtersack, S. Gabriellini, K. Gage, J. Galdon, J. Galdon-Quiroga, M. Gambrioli, C. Garner, L. Garzotti, T.E. Gheorghiu, K.J. Gibson, C. Gibson, E. Giovannozzi, C. Giroud, J. Goatley, A. Goodyear, M. Gorelenkova, S. Gosden, G. Grassler, J.P. Graves, D. Greenhouse, R. Griffiths, V.H. Hall-Chen, C.J. Ham, E. Harrington, R. Harrison, A. Haupt, J. Hawes, S. Hegedus, S.S. Henderson, C. Heo, C. Hickling, M. Hill, B. Hnat, C. Hogben, B. Honey, L. Howlett, Z. Huang, A. Hudoba, J. Hughes, R. Hussain, K. Imada, P. Ivanov, A. Jackson, P. Jacquet, F. Jaulmes, P. Jepson, T. Jones, P. Jones, M. Juvonen, V. Kachkanov, B. Kandan, I. Katramados, S. Kaye, Y.O. Kazakov, D. Keeling, D. Kennedy, A. Kenny, H-T. Kim, D. King, R. King, A. King, V. Kiptily, A. Kirjasuo, A. Kirk, A. Kit, A. Kleiner, M. Knolker, S. Kobussen, M. Kochan, L. Kogan, B. Kool, D. Kos, M. Kotschenreuther, M. Lampert, A. Lawson, K. Lawson, K.-W. Lee, G. Lee, J. Lee, M. Lees, S. Leigh, A.W. Leonard, G. Liddiard, B. Lipschultz, E. Litherland-Smith, Y.Q. Liu, B.A. Lomanowski, J. Lombardo, N. Lonigro, J. Lore, J. Lovell, R. Lucock, T. Luong, A. Lvovskiy, J. Macdonald, T. Macwan, S. Mahajan, F. Maiden, R. Maingi, C. Man-Friel, F. Mansfield, M. Markl, S. Marsden, R. Martin, R. Mathew, R. Maurizio, U. Mazzarese, S. Mazzi, R. McAdams, G. McArdle, J. McBride, K. McClements, J. McClenaghan, D. McConville, K. McKay, C. McKnight, P. McKnight, A. McLean, B.F. McMillan, A. McShee, J. Measures, N. Mehay, S. Menmuir, H.F. Meyer, C.A. Michael, F. Militello, I.G. Miron, R. Mishra, J. Mitchell, D. Moiraf, P. Monaghan, R. Mooney, N. Mooring, R. Morales Gomes, D. Morbey, S. Mordijck, C. Morgan, J. Morris, D. Moulton, S. Munaretto, A. Munasinghe, A. Muraro, O. Myatra, Y.-S. Na, T.F. Neiser, A.O. Nelson, S.L. Newton, M. Nicassio, M.G. O’Mullane, C. Olde, H.J. Oliver, P. Ollus, J. Omotani, M. Ono, F.P. Orsitto, R. Osawa, N. Osborne, T. Osborne, R. Otin, E. Ozturk, F. Palermo, A. Pankin, I. Paradela Pérez, J. Parisi, E. Parr, B. Parry, B.S. Patel, E. Pawelec, D. Payne, C. Paz-Soldan, A. Phelps, L. Piron, C. Piron, G. Pokol, R. Preece, M. Price, B. Pritchard, R. Proudfoot, G. Pucella, T. Pumfrett, D.-Y. Pyo, H. Reimerdes, T. Rhodes, E. Ribeiro, D. Rigamonti, J. Riquezes, J.F. Rivero-Rodriguez, J. Roberts, M. Robson, K. Ronald, E. Rose, D. Ryan, P. Ryan, S. Saarelma, S. Sabbagh, A. Salmi, R. Sarwar, P. Saunders, O. Sauter, R. Scannell, R. Sealey, R. Seath, S. Sharapov, R. Sharma, H. Sheikh, S. Shiraiwa, B. Sieglin, S.A. Silburn, M. Simmonds, J. Simpson, A. Sladkomedova, J. Smith, P. Smith, M. Sos, V.A. Soukhanovskii, D. Speirs, C. Srinivasan, G. Staebler, R. Stephen, P. Stevenson, J. Stobbs, C. Stroud, H. Sun, H. Sun, G. Szepesi, D.M. Takács, T. Tala, C. Tame, C. Theiler, B. Thomas, S. Thomas, S. Thomas, N. Thomas-Davies, A.J. Thornton, A. Tilley, I. Tirkova, M. Tobin, E. Tomasina, A. Tonel, P. Tonner, A. Tookey, G. Tvalashvili, M. Vallar, M. Valovic, R.G.L. Vann, L. Velarde, L. Velarde, K. Verhaegh, E. Viezzer, C. Vincent, M. Walsh, T. Walsh, M. Warr, S. Wiesen, T.A. Wijkamp, D. Wilkins, J. Willis, T. Wilson, H.R. Wilson, N. Winston, G. Withenshaw, H. Wong, M. Wood, R. Worrall, Q. Xia, G. Xia, L. Xiang, G. Xiang, T. Xu, J.H. Yu, V. Zamkovska, M. Zerbini, V.K. Zotta, M. Zurita, L.E. di Grazia   +383 more
doaj   +1 more source