Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Valenzuela-Villaseca V"'
Autor:
Griff-McMahon, J., Valenzuela-Villaseca, V., Malko, S., Fiksel, G., Rosenberg, M. J., Schaeffer, D. B., Fox, W.
Proton radiography is a central diagnostic technique for measuring electromagnetic (EM) fields in high-energy-density, laser-produced plasmas. In this technique, protons traverse the plasma where they accumulate small EM deflections which lead to var
Externí odkaz:
http://arxiv.org/abs/2408.10879
Autor:
Valenzuela-Villaseca, V., Molina, J. M., Schaeffer, D. B., Malko, S., Griff-McMahon, J., Lezhnin, K., Rosenberg, M. J., Hu, S. X., Kalantar, D., Trosseille, C., Park, H. -S., Remington, B. A., Fiksel, G., Uzdensky, D., Bhattacharjee, A., Fox, W.
We present results from X-ray imaging of high-aspect-ratio magnetic reconnection experiments driven at the National Ignition Facility. Two parallel, self-magnetized, elongated laser-driven plumes are produced by tiling 40 laser beams. A magnetic reco
Externí odkaz:
http://arxiv.org/abs/2404.07799
Autor:
Valenzuela-Villaseca, V., Suttle, L. G., Suzuki-Vidal, F., Halliday, J. W. D., Russell, D. R., Merlini, S., Tubman, E. R., Hare, J. D., Chittenden, J. P., Koepke, M. E., Blackman, E. G., Lebedev, S. V.
We present a detailed characterization of the structure and evolution of differentially rotating plasmas driven on the MAGPIE pulsed-power generator (1.4 MA peak current, 240 ns rise-time). The experiments were designed to simulate physics relevant t
Externí odkaz:
http://arxiv.org/abs/2403.20321
Autor:
Valenzuela-Villaseca, V., Suttle, L. G., Suzuki-Vidal, F., Halliday, J. W. D., Russell, D. R., Merlini, S., Tubman, E. R., Hare, J. D., Chittenden, J. P., Koepke, M. E., Blackman, E. G., Lebedev, S. V.
Recent pulsed-power experiments have demonstrated the formation of astrophysically-relevant, differentially rotating plasmas [1]. Key features of the plasma flows are the discovery of a quasi-Keplerian rotation curve, the launching of highly-collimat
Externí odkaz:
http://arxiv.org/abs/2312.02346
Autor:
Griff-McMahon, J., Malko, S., Valenzuela-Villaseca, V., Walsh, C., Fiksel, G., Rosenberg, M. J., Schaeffer, D. B., Fox, W.
Magnetic fields generated from a laser-foil interaction are measured with high fidelity using a proton radiography scheme with in situ x-ray fiducials. In contrast to prior findings under similar experimental conditions, this technique reveals the se
Externí odkaz:
http://arxiv.org/abs/2310.18592
Autor:
Merlini, S., Hare, J. D., Burdiak, G. C., Halliday, J. W. D., Ciardi, A., Chittenden, J. P., Clayson, T., Crilly, A. J., Eardley, S. J., Marrow, K. E., Russell, D. R., Smith, R. A., Stuart, N., Suttle, L. G., Tubman, E. R., Valenzuela-Villaseca, V., Varnish, T. W. O., Lebedev, S. V.
Publikováno v:
Phys. Plasmas 30, 092102 (2023)
We study the structure of reverse shocks formed by the collision of supersonic, magnetised plasma flows driven by an inverse (or exploding) wire array with a planar conducting obstacle. We observe that the structure of these reverse shocks varies dra
Externí odkaz:
http://arxiv.org/abs/2306.01847
Autor:
Valenzuela-Villaseca, V., Suttle, L. G., Suzuki-Vidal, F., Halliday, J. W. D., Merlini, S., Russell, D. R., Tubman, E. R., Hare, J. D., Chittenden, J. P., Koepke, M. E., Blackman, E. G., Lebedev, S. V.
We present results from pulsed-power driven differentially rotating plasma experiments designed to simulate physics relevant to astrophysical disks and jets. In these experiments, angular momentum is injected by the ram pressure of the ablation flows
Externí odkaz:
http://arxiv.org/abs/2201.10339
Autor:
Russell, D. R., Burdiak, G. C., Carroll-Nellenback, J. J., Halliday, J. W. D., Hare, J. D., Merlini, S., Suttle, L. G., Valenzuela-Villaseca, V., Eardley, S. J., Fullalove, J. A., Rowland, G. C., Smith, R. A., Frank, A., Hartigan, P., Velikovich, A. L., Lebedev, S. V.
We present a study of perpendicular subcritical shocks in a collisional laboratory plasma. Shocks are produced by placing obstacles into the super-magnetosonic outflow from an inverse wire array z-pinch. We demonstrate the existence of subcritical sh
Externí odkaz:
http://arxiv.org/abs/2201.09039
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Akademický článek
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