Search Results - "Motschmann, U."

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  1. 1

    Dynamical features and spatial structures of the plasma interaction region of 67P/Churyumov–Gerasimenko and the solar wind by Koenders, C., Glassmeier, K.-H., Richter, I., Ranocha, H., Motschmann, U.

    Published in Planetary and space science (01-01-2015)
    “…In the advent of the Rosetta arrival at the comet 67P/Churyumov–Gerasimenko, we present a global 3D hybrid simulation model of the cometary plasma interaction…”
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    The Cluster Virtual Observatory for ULF Waves by Constantinescu, O. D., Fornaçon, K. H., Motschmann, U., Glassmeier, K. H., Richter, I., Plaschke, F.

    “…Since its launch in 2000, the Cluster fleet visited a vast domain of the circum‐terrestrial environment, from the upstream solar wind and the distant tail,…”
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  3. 3

    Dispersion relation analysis of solar wind turbulence by Narita, Y., Gary, S. P., Saito, S., Glassmeier, K.-H., Motschmann, U.

    Published in Geophysical research letters (16-03-2011)
    “…Frequency versus wave number diagram of turbulent magnetic fluctuations in the solar wind was determined for the first time in the wide range over three…”
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    Coronal mass ejection hits mercury: A.I.K.E.F. hybrid-code results compared to MESSENGER data by Exner, W., Heyner, D., Liuzzo, L., Motschmann, U., Shiota, D., Kusano, K., Shibayama, T.

    Published in Planetary and space science (01-04-2018)
    “…Mercury is the closest orbiting planet around the sun and is therefore embedded in an intensive and highly varying solar wind. In-situ data from the MESSENGER…”
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    Atmospheric erosion and replenishment induced by impacts upon the Earth and Mars during a heavy bombardment by de Niem, D., Kührt, E., Morbidelli, A., Motschmann, U.

    Published in Icarus (New York, N.Y. 1962) (01-11-2012)
    “…► Monte Carlo simulation for atmospheric consequences of a (late) heavy bombardment. ► Probability distribution of impact velocities for Earth and Mars from…”
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    The Mie representation for Mercury’s magnetic field by Toepfer, S., Narita, Y., Glassmeier, K. -H., Heyner, D., Kolhey, P., Motschmann, U., Langlais, B.

    Published in Earth, planets, and space (08-03-2021)
    “…The parameterization of the magnetospheric field contribution, generated by currents flowing in the magnetosphere is of major importance for the analysis of…”
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    The Mie representation for Mercury’s magnetospheric currents by Toepfer, S., Narita, Y., Exner, W., Heyner, D., Kolhey, P., Glassmeier, K. -H., Motschmann, U.

    Published in Earth, planets, and space (09-11-2021)
    “…Poloidal–toroidal magnetic field decomposition is a useful application of the Mie representation and the decomposition method enables us to determine the…”
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    Observational Test for a Random Sweeping Model in Solar Wind Turbulence by Perschke, C, Narita, Y, Motschmann, U, Glassmeier, K H

    Published in Physical review letters (25-03-2016)
    “…Evidence of frequency broadening at ion kinetic scales due to large-scale eddies and waves is found in solar wind turbulence by a test for a random sweeping…”
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    Plasma environment of a weak comet – Predictions for Comet 67P/Churyumov–Gerasimenko from multifluid-MHD and Hybrid models by Rubin, M., Koenders, C., Altwegg, K., Combi, M.R., Glassmeier, K.-H., Gombosi, T.I., Hansen, K.C., Motschmann, U., Richter, I., Tenishev, V.M., Tóth, G.

    Published in Icarus (New York, N.Y. 1962) (01-11-2014)
    “…•We compare multifluid MHD and Hybrid models of the solar wind interaction with a weak comet.•The multifluid MHD results show a distinct improvement over…”
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  12. 12

    Error Propagation of Capon’s Minimum Variance Estimator by Toepfer, S., Narita, Y., Heyner, D., Motschmann, U.

    Published in Frontiers in physics (09-06-2021)
    “…The error propagation of Capon’s minimum variance estimator resulting from measurement errors and position errors is derived within a linear approximation. It…”
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    Dispersion relation analysis of turbulent magnetic field fluctuations in fast solar wind by Perschke, C., Narita, Y., Gary, S. P., Motschmann, U., Glassmeier, K.-H.

    Published in Annales geophysicae (1988) (15-11-2013)
    “…Physical processes of the energy transport in solar wind turbulence are a subject of intense studies, and different ideas exist to explain them. This…”
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  15. 15

    Critical pitch angle for electron acceleration in a collisionless shock layer by Narita, Y., Comişel, H., Motschmann, U.

    Published in Annales geophysicae (1988) (12-07-2016)
    “…Collisionless shock waves in space and astrophysical plasmas can accelerate electrons along the shock layer by an electrostatic potential, and scatter or…”
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  16. 16

    Wavevector anisotropy of plasma turbulence at ion kinetic scales: solar wind observations and hybrid simulations by Comisel, H, Narita, Y, Motschmann, U

    Published in Nonlinear processes in geophysics (11-11-2014)
    “…Wavevector anisotropy of ion-scale plasma turbulence is studied at various values of ion beta. Two complementary methods are used. One is multi-point…”
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  17. 17

    Adaptation of the de Hoffmann–Teller frame for quasi-perpendicular collisionless shocks by Comişel, H., Narita, Y., Motschmann, U.

    Published in Annales geophysicae (1988) (17-03-2015)
    “…The concept of the de Hoffmann–Teller frame is revisited for a high Mach-number quasi-perpendicular collisionless shock wave. Particle-in-cell simulation shows…”
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    A 3D hybrid simulation study of the electromagnetic field distributions in the lunar wake by Wang, Y.-C., Müller, J., Ip, W.-H., Motschmann, U.

    Published in Icarus (New York, N.Y. 1962) (01-12-2011)
    “…► We use a 3D hybrid code to study the electromagnetic distributions in the lunar wake. ► The near-vacuum wake region will produce enhancement of magnetic…”
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    Ion Bernstein waves in the magnetic reconnection region by Narita, Y., Nakamura, R., Baumjohann, W., Glassmeier, K.-H., Motschmann, U., Comişel, H.

    Published in Annales geophysicae (1988) (21-01-2016)
    “…Four-dimensional energy spectra and a diagram for dispersion relations are determined for the first time in a magnetic reconnection region in the magnetotail…”
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