RädlerFest: Alpha Effect and Beyond

from Monday, 14 February 2011 (09:00) to Friday, 18 February 2011 (15:00)
Wenner Gren Center (Wenner-Gren Center, floor 7, Hörsalen)

        : Sessions
    /     : Talks
        : Breaks
14 Feb 2011
15 Feb 2011
16 Feb 2011
17 Feb 2011
18 Feb 2011
AM
09:30
Session 1 (until 10:30) (Wenner-Gren Center, floor 7, Hörsalen)
09:30 Opening remarks, and phone call to Fritz Krause - Axel Brandenburg (Nordita)   (Wenner-Gren Center, floor 7, Hörsalen)
10:00 Translation of the α effect to the West - Prof. Paul Roberts   (Wenner-Gren Center, floor 7, Hörsalen)
10:30 --- Coffee break ---
11:00
Session 2 (until 12:30) (Wenner-Gren Center, floor 7, Hörsalen)
11:00 Understanding the origin of astrophysical magnetic fields - Prof. Eugene Parker   (Wenner-Gren Center, floor 7, Hörsalen)
12:00 The Rädler-effect in supernova-driven turbulence - Dr Oliver Gressel   (Wenner-Gren Center, floor 7, Hörsalen)
09:00
Session 5 (until 10:30) (Wenner-Gren Center, floor 7, Hörsalen)
09:00 Galactic dynamos need galactic outflows to survive - Prof. Anvar Shukurov (School of Mathematics and Statistics, Newcastle University, U.K.)   (Wenner-Gren Center, floor 7, Hörsalen)
09:30 Dynamo action in thermally unstable interstellar flows - Prof. Maarit Mantere   (Wenner-Gren Center, floor 7, Hörsalen)
10:00 A Shell Model for Turbulent Magnetic Dynamo - Dr Giuseppina Nigro   (Wenner-Gren Center, floor 7, Hörsalen)
10:30 --- Coffee break ---
11:00
Session 6 (until 12:30) (Wenner-Gren Center, floor 7, Hörsalen)
11:00 Coupling of the Earth's core and mantle - Paul Roberts   (Wenner-Gren Center, floor 7, Hörsalen)
12:00 α-fluctuations and simple model of geomagnetic inversions - Prof. Dmitry Sokoloff   (Wenner-Gren Center, floor 7, Hörsalen)
09:00
Session 9 (until 10:30) (Wenner-Gren Center, floor 7, Hörsalen)
09:00 Oscillating α2 dynamos - Dr Andre Giesecke   (Wenner-Gren Center, floor 7, Hörsalen)
09:30 α2 dynamo with oscillations and migrations - Dhrubaditya Mitra   (Wenner-Gren Center, floor 7, Hörsalen)
10:00 Oscillatory dynamo models and implications for the solar dynamo - Dr Martin Schrinner   (Wenner-Gren Center, floor 7, Hörsalen)
10:30 --- Coffee break ---
11:00
Session 10 (until 12:30) (Wenner-Gren Center, floor 7, Hörsalen)
11:00 The onset of strongly localized thermal convection in rotating spherical shells - Prof. Andrew Soward   (Wenner-Gren Center, floor 7, Hörsalen)
11:30 α-effect and large-scale dynamos from convection simulations - Dr Petri Käpylä (University of Helsinki)   (Wenner-Gren Center, floor 7, Hörsalen)
12:00 Dynamo action and magnetic buoyancy in convection with vertical shear - Dr Gustavo Guerrero   (Wenner-Gren Center, floor 7, Hörsalen)
09:00
Session 13 (until 10:30) (Wenner-Gren Center, floor 7, Hörsalen)
09:00 Spontaneous discontinuities in magnetic fields with untidy topologies - Prof. Eugene Parker   (Wenner-Gren Center, floor 7, Hörsalen)
10:00 Turbulent cross helicity: Effects and its generation - Dr Nobumitsu Yokoi (Institute of Industrial Science, University of Tokyo)   (Wenner-Gren Center, floor 7, Hörsalen)
10:30 --- Coffee break ---
11:00
Session 14 (until 12:30) (Wenner-Gren Center, floor 7, Hörsalen)
11:00 Tyger phenomenon for the Galerkin-truncated Burgers and Euler equations - Prof. Uriel Frisch   (Wenner-Gren Center, floor 7, Hörsalen)
12:00 Local anisotropy in MHD turbulence - Dr Chi-kwan Chan   (Wenner-Gren Center, floor 7, Hörsalen)
09:00
Session 17 (until 10:30) (Wenner-Gren Center, floor 7, Hörsalen)
09:00 Vorticity production from potentially forced flows - Fabio Del Sordo (NORDITA)   (Wenner-Gren Center, floor 7, Hörsalen)
09:20 Galactic dynamos from torsion modes of Lorentz violation - Dr luiz garcia (dept pf theoretical physics)   (Wenner-Gren Center, floor 7, Hörsalen)
09:40 Nonlocal turbulent transport - Axel Brandenburg (Nordita)   (Wenner-Gren Center, floor 7, Hörsalen)
10:00 A study of magnetic helicity in forced and decaying 3D-MHD turbulence - Dr Shiva Kumar Malapaka   (Wenner-Gren Center, floor 7, Hörsalen)
10:30 --- Coffee break ---
11:00
Session 18 (until 12:30) (Wenner-Gren Center, floor 7, Hörsalen)
11:00 Future of mean-field dynamo theory - Prof. Igor Rogachevskii (Ben-Gurion University of the Negev)   (Wenner-Gren Center, floor 7, Hörsalen)
12:00 K.-H. Rädler for popular sciences - Mr Ulrich v. Kusserow   (Wenner-Gren Center, floor 7, Hörsalen)
PM
12:30 --- Lunch break ---
14:00
Session 3 (until 15:30) (Wenner-Gren Center, floor 7, Hörsalen)
14:00 Recent and future liquid metal experiments on cosmic magnetic fields - Dr Frank Stefani   (Wenner-Gren Center, floor 7, Hörsalen)
14:45 Experimental measurement of turbulent magnetic diffusivity - Prof. Peter Frick (Institute of Continuous Media Mechanics)   (Wenner-Gren Center, floor 7, Hörsalen)
15:30 --- Coffee break ---
16:00
Session 4 (until 17:30) (Wenner-Gren Center, floor 7, Hörsalen)
16:00 Helicity generation and α-effect in MHD Taylor-Couette flows - Markus Gellert   (Wenner-Gren Center, floor 7, Hörsalen)
16:30 α effect from buoyancy instability - Piyali Chatterjee   (Wenner-Gren Center, floor 7, Hörsalen)
17:00 What wavelets can bring to study MHD flows? - Marie Farge   (Wenner-Gren Center, floor 7, Hörsalen)
12:30 --- Lunch break ---
14:00
Session 7 (until 15:30) (Wenner-Gren Center, floor 7, Hörsalen)
14:00 The negative magnetic pressure effect in stratified turbulence - Koen Kemel   (Wenner-Gren Center, floor 7, Hörsalen)
14:20 Magnetic helicity and its effect on the solar dynamo - Simon Candelaresi   (Wenner-Gren Center, floor 7, Hörsalen)
14:40 Effects of magnetic dissipation in a collapse of massive star - Dr Hidetomo Sawai   (Wenner-Gren Center, floor 7, Hörsalen)
15:00 Tayler instability in incompressible and compressible domains - Dr Rainer Arlt   (Wenner-Gren Center, floor 7, Hörsalen)
15:30 --- Coffee break ---
16:00
Session 8 (until 17:30) (Wenner-Gren Center, floor 7, Hörsalen)
16:00 Test methods for hydro and MHD turbulence - Dr Matthias Reinhard   (Wenner-Gren Center, floor 7, Hörsalen)
17:00 Transition from large-scale to small-scale dynamo - Dr Frank Plunian   (Wenner-Gren Center, floor 7, Hörsalen)
12:30 --- Lunch break ---
14:00
Session 11 (until 15:30) (Wenner-Gren Center, floor 7, Hörsalen)
14:00 Passive scalar and magnetic field transport in potential flows - Prof. Karl-Heinz Raedler (Astrophysical Institute Potsdam)   (Wenner-Gren Center, floor 7, Hörsalen)
14:30 Compressibility effects on turbulent MHD and passive scalar transport - Prof. Nathan Kleeorin   (Wenner-Gren Center, floor 7, Hörsalen)
15:00 Direct statistical simulation of astrophysical flows - Prof. Steve Tobias   (Wenner-Gren Center, floor 7, Hörsalen)
15:30 --- Coffee break ---
16:00
Session 12 (until 17:30) (Wenner-Gren Center, floor 7, Hörsalen)
16:00 α effect and helicity fluxes in shearing systems - Alexander Hubbard (Nordita)   (Wenner-Gren Center, floor 7, Hörsalen)
16:30 Discussion   (Wenner-Gren Center, floor 7, Hörsalen)
12:30 --- Lunch break ---
14:00
Session 15 (until 15:30) (Wenner-Gren Center, floor 7, Hörsalen)
14:00 Proxies of mean magnetic field and α-effect from solar vector magnetic fields - Dr Kirill Kuzanyan (IZMIRAN, Russia)   (Wenner-Gren Center, floor 7, Hörsalen)
14:30 Dynamo-driven plasmoid ejections above a spherical surface - Mr Jörn Warnecke (Nordita)   (Wenner-Gren Center, floor 7, Hörsalen)
14:50 Multiscale α2 dynamo model - Dr Rodion Stephanov   (Wenner-Gren Center, floor 7, Hörsalen)
15:10 α2 dynamo with SPH - Mr Federico STASYSZYN   (Wenner-Gren Center, floor 7, Hörsalen)
15:30 --- Coffee break ---
16:00
Session 16 (until 17:00) (Wenner-Gren Center, floor 7, Hörsalen)
16:00 Advection dominated dynamo in solar-type stars: cycle periods and parity selection problem - Prof. Alfio Bonanno   (Wenner-Gren Center, floor 7, Hörsalen)
16:30 Photometric time series analysis and Doppler imaging of late type stars - Dr Thomas Hackmann   (Wenner-Gren Center, floor 7, Hörsalen)
12:30 --- Lunch break ---
14:00
Session 19 (until 15:00) (Wenner-Gren Center, floor 7, Hörsalen)
14:00 Conference summary - Prof. Anvar Shukurov (School of Mathematics and Statistics, Newcastle University, U.K.)   (Wenner-Gren Center, floor 7, Hörsalen)