Search Results - "Fraschetti, F."

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    TURBULENT AMPLIFICATION OF A MAGNETIC FIELD DRIVEN BY THE DYNAMO EFFECT AT RIPPLED SHOCKS by Fraschetti, F

    Published in The Astrophysical journal (20-06-2013)
    “…We analytically derive the vorticity generated downstream of a two-dimensional (2D) rippled hydromagnetic shock neglecting fluid viscosity and resistivity. The…”
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    Journal Article
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    Bi-directional streaming of particles accelerated at the STEREO-A shock on 2008 March 9 by Fraschetti, F, Giacalone, J

    “…ABSTRACT We present an interpretation of anisotropy and intensity of supra-thermal ions near a fast quasi-perpendicular reverse shock measured by Solar…”
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    Journal Article
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    Vortical field amplification and particle acceleration at rippled shocks by Fraschetti, F.

    “…Supernova Remnant (SNR) shocks are believed to accelerate charged particles and to generate strong turbulence in the post-shock flow. From high-energy…”
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    Journal Article
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    Particle acceleration model for the broad-band baseline spectrum of the Crab nebula by Fraschetti, F., Pohl, M.

    “…Abstract We develop a simple one-zone model of the steady-state Crab nebula spectrum encompassing both the radio/soft X-ray and the GeV/multi-TeV observations…”
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    Mottled Protoplanetary Disk Ionization by Magnetically Channeled T Tauri Star Energetic Particles by Fraschetti, F., Drake, J. J., Cohen, O., Garraffo, C.

    Published in The Astrophysical journal (01-02-2018)
    “…The evolution of protoplanetary disks is believed to be driven largely by angular momentum transport resulting from magnetized disk winds and turbulent…”
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    Stellar Energetic Particles in the Magnetically Turbulent Habitable Zones of TRAPPIST-1-like Planetary Systems by Fraschetti, F., Drake, J. J., Alvarado-Gómez, J. D., Moschou, S. P., Garraffo, C., Cohen, O.

    Published in The Astrophysical journal (20-03-2019)
    “…Planets in close proximity to their parent star, such as those in the habitable zones around M dwarfs, could be subject to particularly high doses of particle…”
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  7. 7

    Localized enhancements of energetic particles at oblique collisionless shocks by Fraschetti, F., Giacalone, J.

    “…We investigate the spatial distribution of charged particles accelerated by non-relativistic oblique fast collisionless shocks using three-dimensional…”
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    EARLY-TIME VELOCITY AUTOCORRELATION FOR CHARGED PARTICLES DIFFUSION AND DRIFT IN STATIC MAGNETIC TURBULENCE by Fraschetti, F, Giacalone, J

    Published in The Astrophysical journal (20-08-2012)
    “…Using test-particle simulations, we investigate the temporal dependence of the two-point velocity correlation function for charged particles scattering in a…”
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  9. 9

    Vortical Amplification of the Magnetic Field at an Inward Shock of Supernova Remnant Cassiopeia A by Fraschetti, F, Katsuda, S, Sato, T, Jokipii, J R, Giacalone, J

    Published in Physical review letters (22-06-2018)
    “…We present an interpretation of the time variability of the x-ray flux recently reported from a multiepoch campaign of 15 years of observations of the…”
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    Time-dependent Perpendicular Transport of Fast Charged Particles in a Turbulent Magnetic Field by Fraschetti, F, Jokipii, J. R

    Published in The Astrophysical journal (20-06-2011)
    “…We present an analytic derivation of the temporal dependence of the perpendicular transport coefficient of charged particles in magnetostatic turbulence, for…”
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    Two-zone model for the broadband Crab nebula spectrum: microscopic interpretation by Fraschetti, F., Pohl, M.

    Published in EPJ Web of Conferences (01-01-2017)
    “…We develop a simple two-zone interpretation of the broadband baseline Crab nebula spectrum between 10−5 eV and ~ 100 TeV by using two distinct log-parabola…”
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    Journal Article Conference Proceeding
  15. 15

    Ultra-high-energy cosmic rays from the radio lobes of active galactic nuclei by Fraschetti, F., Melia, F.

    “…ABSTRACT In the past year, the HiRes and Auger collaborations have reported the discovery of a high‐energy cut‐off in the ultra‐high‐energy cosmic ray…”
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    GRB 980425, SN1998BW and the EMBH model by Ruffini, R., Bernardini, M.G., Bianco, C.L., Chardonnet, P., Fraschetti, F., Xue, S.-S.

    Published in Advances in space research (2004)
    “…The EMBH model, previously developed using GRB 991216 as a prototype, is here applied to GRB 980425. We fit the luminosity observed in the 40–700 keV, 2–26 keV…”
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    Evidence for isotropic emission in GRB991216 by Ruffini, R., Bernardini, M.G., Bianco, C.L., Chardonnet, P., Fraschetti, F., Xue, S.-S.

    Published in Advances in space research (2006)
    “…The issue of the possible presence or absence of jets in GRBs is here re-examined for GRB991216. We compare and contrast our theoretically predicted afterglow…”
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    Possible role of magnetic reconnection in the electromagnetic counterpart of binary black hole merger by Fraschetti, F

    Published 10-04-2018
    “…We propose a qualitative scenario to interpret the argued association between the direct measurement of the gravitational wave event GW150914 by Laser…”
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    Journal Article