1. Main task  Understanding fundamental processes in space plasmas: shock waves, turbulence, reconnection  Applications in Sun, heliosphere, and magnetospheres Main research topics 1.Space-time structure of shocks and turbulence  Theoretical model construction  Comparison with multi-point observations 2.Waves and reconnection  Wave mode identification  Condition and mechanism of reconnection Refereed publications (since Jan 2013)  Total: 15 (first author: 7) Educational activities (since Jan 2013)  Lecturing at TU Braunschweig, teaching at Ilia University (Georgia) Space Plasma Physics: Heliosphere 1IWF/ÖAW

2. Lead: Yasuhito Narita Members  Staff: P. Bourdin, N. Dwivedi, C. Möstl, Z. Vörös, T. Zaqarashvili  PhD Student: T. Rollett Cooperation within IWF  Magnetospheric dynamics (Nakamura et al.)  Heliospheric dynamics (Lammer et al.)  MMS high-frequency magnetometer data (Magnes et al.)  Solar Orbiter wave data (Steller et al.) Key international collaboration Germany: TU Braunschweig; Italy: INAF-IAPS Rome; Romania: ISS Bucharest; Spain: UIB; USA: Johns-Hopkins University Who are we? 2IWF/ÖAW

3. CME-CME interaction  Double-CME event in July 2012  Imaging and in-situ observation  Lesson for extreme events CME-shape and trajectory  Global shape of shocks and flux ropes  Self-Similar Expansion model  Multi-point imaging CME prediction  Evolution scenario of CME  Prediction of CME hit on the Earth 3 Shock Waves Liu et al. (2014) Davies et al. (2013) IWF/ÖAW

4. Space-time structure  Analytic treatment of Navier-Stokes eq.  Wavenumber-frequency spectrum  Doppler shift and broadening Breakdown of Taylor's frozen-in flow hypothesis  Impact on solar wind turbulence research  Error estimate for Kolmogorov constant  Collaboration with Johns-Hopkins Univ. 4 Turbulence Theory Narita (2014) Wilczek et al. (2014) IWF/ÖAW

5. Solar wind as a natural turbulence laboratory  Wave mode identification  Combination: Observation, simulation, and analytic theory  First-time evidence for ion Bernstein wave in the solar wind  Collaboration with TU Braunschweig Wave Picture of Turbulence 5 Narita (2014) Comisel et al. (2013) Perschke et al. (2013) Cluster observationNumerical simulation Analytic theory IWF/ÖAW

6. Current sheet thickness  Fitting with the Harris-type sheet  Capon's inverse method for Cluster data  Collaboration with Nakamura et al. Turbulent-reconnection hypothesis  Dispersive wave triggering  Whistlers and kinetic Alfvén waves  Large-scale simulation (MHD and ion-scale) 6 Current Sheet and Reconnection Narita et al. (2013) IWF/ÖAW

7. Filament formation  Isotropy restoration in high-beta limit  Confirmation by ion PIC simulation 7 Structure Formation Zaqarashvili et al. (2014) Cluster observation Numerical simulation Narita et al. (2014) Flux-tube formation  Twisted tube model construction  Comparison with spacecraft data IWF/ÖAW

8. MMS Mission (2015+)  Turbulent-reconnection hypothesis  Heating mechanism in turbulence  Particle acceleration mechanism Large-scale simulation (fluid to particle scale)  Reconnection simulation  Turbulence simulation Sun and heliosphere  CME modeling and impacts on planets  Solar wind turbulence  Corona heating  Solar Orbiter (2017+) Future: 2015-2018 8IWF/ÖAW

9. Thank you 9IWF/ÖAW

10. Doz. Dr. Yasuhito Narita Career Summary 1999-2000Research Assistant, Swedish Institute of Space Physics, Kiruna, Sweden 2000-2002Research Assistant, Institute of Space and Astronautical Science, Japan 2002-2011Scientific staff, Institut für Geophysik und extraterr. Physik, TU Braunschweig, Germany 2011Visiting Researcher at Kavli Institute for Theoretical Physics, California, USA 2011-2012Senior Scientist, Institut für Geophysik und extraterr. Physik, TU Braunschweig, Germany since 2011Lecturer, Technische Universität Braunschweig, Germany since 2012Group Leader, Institut für Weltraumforschung, ÖAW, Austria Publications Refereed Articles: 62(First Author: 21) Citations in SCI:677(Hirsch Index: 14) Research Interests  Plasma turbulence (theory and observation), signal processing Recognition 2007Heinrich-Büssing-Preis, Braunschweiger Hochschulbund 2010Zeldovich medal, COSPAR and Russian Academy of Sciences 2010Outstanding Scientist Award, European Space Agency 10IWF/ÖAW