Search Results - "Strauß, R."

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  1. 1

    A Hitch-hiker’s Guide to Stochastic Differential Equations: Solution Methods for Energetic Particle Transport in Space Physics and Astrophysics by Strauss, R. Du Toit, Effenberger, Frederic

    Published in Space science reviews (01-10-2017)
    “…In this review, an overview of the recent history of stochastic differential equations (SDEs) in application to particle transport problems in space physics…”
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    Journal Article
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    The “SEP Clock”: A Discussion of First Proton Arrival Times in Wide-Spread Solar Energetic Particle Events by Posner, A., Richardson, I. G., Strauss, R. D.-T.

    Published in Solar physics (01-09-2024)
    “…This work analyzes the appearance of wide-spread deka-MeV solar energetic proton (SEP) events, in particular the arrival of the first protons within ≈ 4.5 –…”
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    Modeling of the Polytropic Index and Temperature Anisotropy in the Solar Wind by Desta, Ephrem Tesfaye, Strauss, R. D., Engelbrecht, N. E.

    Published in The Astrophysical journal (01-05-2024)
    “…Abstract The polytropic index is a fundamental physical parameter related to the thermodynamic processes present in space and astrophysical plasmas. This paper…”
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    The Modulation of Anomalous and Galactic Cosmic-Ray Oxygen over Successive Solar Cycle Minima by Strauss, R. D., Leske, R. A., Rankin, J. S.

    Published in The Astrophysical journal (01-02-2023)
    “…Abstract Both the recent 2009 and 2020 solar minima were classified as unusually quiet and characterized with unusually high galactic cosmic-ray (GCR) levels…”
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    On the Shape of SEP Electron Spectra: The Role of Interplanetary Transport by Strauss, R. D., Dresing, N., Kollhoff, A., Brüdern, M.

    Published in The Astrophysical journal (01-07-2020)
    “…We address the effect of particle scattering on the energy spectra of solar energetic electron events using (i) an observational and (ii) a modeling approach…”
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    The Diffusion Tensor of Protons at 1 au: Comparing Simulation, Observation, and Theory by Els, P. L., Engelbrecht, N. E., Lang, J. T., Strauss, R. D.

    Published in The Astrophysical journal (01-11-2024)
    “…Abstract The natural variation in plasma parameters observed at 1 au can lead to a variation in transport parameters, such as diffusion and drift coefficients,…”
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    Revisiting the Revisited Palmer Consensus: New Insights from Jovian Electron Transport by Engelbrecht, N. Eugene, Vogt, Adrian, Herbst, Konstantin, Du Toit Strauss, R., Burger, R. A.

    Published in The Astrophysical journal (01-04-2022)
    “…Abstract Novel insights into the behavior of the diffusion coefficients of charged particles in the inner heliosphere are of great importance to any study of…”
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    Heliospheric Diffusion of Stochastic Parker Spirals in Radially Evolving Solar Wind Turbulence by Bian, N. H., Strauss, R. D., Li, G., Engelbrecht, N. E.

    Published in The Astrophysical journal (01-02-2024)
    “…Abstract  We present a stochastic field line mapping model where the interplanetary magnetic field lines are described by a density distribution function…”
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    Results on MeV-scale dark matter from a gram-scale cryogenic calorimeter operated above ground by Angloher, G, Bauer, P, Bento, A, Bucci, C, Canonica, L, Defay, X, Erb, A

    “…Models for light dark matter particles with masses below 1 GeV/c [Formula omitted] are a natural and well-motivated alternative to so-far unobserved weakly…”
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    Solar Energetic Particle Propagation in Wave Turbulence and the Possibility of Wave Generation by Strauss, R. D., le Roux, J. A.

    Published in The Astrophysical journal (20-02-2019)
    “…A complete theory for the complex interaction between solar energetic particles (SEPs) and the turbulent interplanetary magnetic field remains elusive. In this…”
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    Acceleration of Solar Wind Particles by Traveling Interplanetary Shocks by Prinsloo, P. L., Strauss, R. D., le Roux, J. A.

    Published in The Astrophysical journal (20-06-2019)
    “…The acceleration of thermal solar wind (SW) protons at spherical interplanetary shocks driven by coronal mass ejections is investigated. The SW velocity…”
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    Comparing the Performance of Julia on CPUs versus GPUs and Julia-MPI versus Fortran-MPI: a case study with MPAS-Ocean (Version 7.1) by Bishnu, Siddhartha, Strauss, Robert R, Petersen, Mark R

    Published in Geoscientific Model Development (05-10-2023)
    “…Some programming languages are easy to develop at the cost of slow execution, while others are fast at runtime but much more difficult to write. Julia is a…”
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    On the Turbulent Reduction of Drifts for Solar Energetic Particles by van den Berg, J. P., Engelbrecht, N. E., Wijsen, N., Strauss, R. D.

    Published in The Astrophysical journal (01-12-2021)
    “…Abstract Particle drifts perpendicular to the background magnetic field have been proposed by some authors as an explanation for the very efficient…”
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    Toward a Greater Understanding of the Reduction of Drift Coefficients in the Presence of Turbulence by Engelbrecht, N. E., Strauss, R. D., Roux, J. A. le, Burger, R. A.

    Published in The Astrophysical journal (01-06-2017)
    “…Drift effects play a significant role in the transport of charged particles in the heliosphere. A turbulent magnetic field is also known to reduce the effects…”
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    A Detailed Survey of the Parallel Mean Free Path of Solar Energetic Particle Protons and Electrons by Lang, J. T., Strauss, R. D., Engelbrecht, N. E., van den Berg, J. P., Dresing, N., Ruffolo, D., Bandyopadhyay, R.

    Published in The Astrophysical journal (01-08-2024)
    “…Abstract In this work, more than a dozen solar energetic particle (SEP) events are identified where the source region is magnetically well connected to at…”
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