Search Results - "Alves, E P"

Efficient Nonthermal Particle Acceleration by the Kink Instability in Relativistic Jets by Alves, E P, Zrake, J, Fiuza, F

“…Relativistic magnetized jets from active galaxies are among the most powerful cosmic accelerators, but their particle acceleration mechanisms remain a mystery…”
Get full text

Amplification and generation of ultra-intense twisted laser pulses via stimulated Raman scattering by Vieira, J., Trines, R. M. G. M., Alves, E. P., Fonseca, R. A., Mendonça, J. T., Bingham, R., Norreys, P., Silva, L. O.

“…Twisted Laguerre–Gaussian lasers, with orbital angular momentum and characterized by doughnut-shaped intensity profiles, provide a transformative set of tools…”
Get full text

High Orbital Angular Momentum Harmonic Generation by Vieira, J, Trines, R M G M, Alves, E P, Fonseca, R A, Mendonça, J T, Bingham, R, Norreys, P, Silva, L O

“…We identify and explore a high orbital angular momentum (OAM) harmonics generation and amplification mechanism that manipulates the OAM independently of any…”
Get full text

Electron-scale shear instabilities: magnetic field generation and particle acceleration in astrophysical jets by P Alves, E, Grismayer, T, A Fonseca, R, O Silva, L

“…Strong shear flow regions found in astrophysical jets are shown to be important dissipation regions, where the shear flow kinetic energy flow is converted into…”
Get full text

Data-driven discovery of reduced plasma physics models from fully kinetic simulations by Alves, E. P., Fiuza, F.

“…At the core of some of the most important problems in plasma physics—from controlled nuclear fusion to the acceleration of cosmic rays—is the challenge to…”
Get full text

New criteria for efficient Raman and Brillouin amplification of laser beams in plasma by Trines, R. M. G. M., Alves, E. P., Webb, E., Vieira, J., Fiúza, F., Fonseca, R. A., Silva, L. O., Cairns, R. A., Bingham, R.

“…Raman or Brillouin amplification of a laser beam in plasma has long been seen as a way to reach multi-PW powers in compact laser systems. However, no…”
Get full text

dc-Magnetic-field generation in unmagnetized shear flows by Grismayer, T, Alves, E P, Fonseca, R A, Silva, L O

“…The generation of dc magnetic fields in unmagnetized electron-ion shear flows is shown to be associated to either initial thermal effects or the onset of…”
Get full text

3D PIC SIMULATIONS OF COLLISIONLESS SHOCKS AT LUNAR MAGNETIC ANOMALIES AND THEIR ROLE IN FORMING LUNAR SWIRLS by Bamford, R. A., Alves, E. P., Cruz, F., Kellett, B. J., Fonseca, R. A., Silva, L. O, Trines, R. M. G. M., Halekas, J. S., Kramer, G., Harnett, E., Cairns, R. A., Bingham, R.

“…ABSTRACT Investigation of the lunar crustal magnetic anomalies offers a comprehensive long-term data set of observations of small-scale magnetic fields and…”
Get full text

Electron-Ion Temperature Relaxation in Warm Dense Hydrogen Observed With Picosecond Resolved X-Ray Scattering by Fletcher, L. B., Vorberger, J., Schumaker, W., Ruyer, C., Goede, S., Galtier, E., Zastrau, U., Alves, E. P., Baalrud, S. D., Baggott, R. A., Barbrel, B., Chen, Z., Döppner, T., Gauthier, M., Granados, E., Kim, J. B., Kraus, D., Lee, H. J., MacDonald, M. J., Mishra, R., Pelka, A., Ravasio, A., Roedel, C., Fry, A. R., Redmer, R., Fiuza, F., Gericke, D. O., Glenzer, S. H.

“…Angularly resolved X-ray scattering measurements from fs-laser heated hydrogen have been used to determine the equilibration of electron and ion temperatures…”
Get full text

An exploration of the effectiveness of artificial mini-magnetospheres as a potential solar storm shelter for long term human space missions by Bamford, R.A., Kellett, B., Bradford, J., Todd, T.N., Benton, M.G., Stafford-Allen, R., Alves, E.P., Silva, L., Collingwood, C., Crawford, I.A., Bingham, R.

“…If mankind is to explore the solar system beyond the confines of our Earth and Moon the problem of radiation protection must be addressed. Galactic cosmic rays…”
Get full text

Transverse electron-scale instability in relativistic shear flows by Alves, E P, Grismayer, T, Fonseca, R A, Silva, L O

“…Electron-scale surface waves are shown to be unstable in the transverse plane of a sheared flow in an initially unmagnetized collisionless plasma, not captured…”
Get full text

Functional properties of Ho3+ substituted cobalt ferrite in the context of the reduced mass model by Pessoni, Herminia V.S., Alves, Thiago E.P., Banerjee, Prasun, Júnior, Adolfo Franco

“…Spinel CoFe2−xHoxO4 were synthesized with forced hydrolysis technique. The presence of constituent phases and particle growth was determined by XRD technique…”
Get full text

Room temperature ferromagnetism in combustion reaction prepared iron-doped zinc oxide nanoparticles by Franco, A., Alves, T.E.P.

“…We present a study of the structural and magnetic properties of Zn1−xFexO (0.00≤x≤0.09) nanoparticles prepared by a combustion reaction method. X-ray…”
Get full text

Transverse electron-scale instability in relativistic shear flows by Alves, E. P., Grismayer, T., Fonseca, R. A., Silva, L. O.

Get full text

Leprosy. Pots and pans fell out of my hands by Alves, E P, Grevan, J

Get full text

Ac magnetic susceptibility measurements in nanoparticulate powders of iron-doped ZnO by Barbosa, G.F., Machado, F.L.A., Rodrigues, A.R., Alves, T.E.P., Franco, A.

“…Low temperature (T) ac magnetic susceptibility (χac) measurements were performed in powder samples of the Zn1−xFexO (x=0–0.078) prepared by a combustion…”
Get full text

Morphoquantitative Aspects of NADH-Diaphorase Myenteric Neurons in the Ileum of Diabetic Rats Treated with Acetyl-l-Carnitine by Alves, A. M. P., Alves, É. P. B., Fregonesi, C. E. P. T., Defani, M. A., Stabille, S. R., Evangelista, C. C. B., Dos Santos, C. A., de Miranda Neto, M. H.

“…Summary In this work, we investigated the effect of the acetyl‐l‐carnitine (ALC) supplementation (200 mg/kg/day) on the myenteric neurons of the ileum of rats…”
Get full text

Formation of collisionless shocks in magnetized plasma interaction with kinetic-scale obstacles by Cruz, F, Alves, E. P, Bamford, R. A, Bingham, R, Fonseca, R. A, Silva, L. O

“…We investigate the formation of collisionless magnetized shocks triggered by the interaction between magnetized plasma flows and miniature-sized (order of…”
Get full text

Transverse electron-scale instability in relativistic shear flows by Alves, E. P, Grismayer, T, Fonseca, R. A, Silva, L. O

“…Phys. Rev. E 92, 021101 (2015) Electron-scale surface waves are shown to be unstable in the transverse plane of a shear flow in an initially unmagnetized…”
Get full text

High orbital angular momentum harmonic generation by Vieira, J, Trines, R. M. G. M, Alves, E. P, Fonseca, R. A, Mendonça, J. T, Bingham, R, Norreys, P, Silva, L. O

“…Phys. Rev. Lett. 117 265001 (2016) We identify and explore a high orbital angular momentum (OAM) harmonics generation and amplification mechanism that…”
Get full text