Kliem B. and Seehafer N.
Helicity shedding by flux rope ejection
Astron. Astrophys. 659, A49, 2022
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Hassanin A., Kliem B., and Seehafer N.
Helical kink instability in the confined solar eruption on 2002 May 27
Astron. Nachr. 337(10), 1082-1089, 2016
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Feudel F., Tuckerman L.S., Gellert M., and Seehafer N.
Bifurcations of rotating waves in rotating spherical shell convection
Phys. Rev E 92, 053015, 2015
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Miranda R.A., Rempel E.L., Chian A.C.-L., Seehafer N., Toledo B.A., and Muñoz P.R.
Lagrangian coherent structures at the onset of hyperchaos in the two-dimensional Navier-Stokes equations
Chaos 23, 033107, 2013
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Feudel F., Seehafer N., Tuckerman L.S., and Gellert M.
Multistability in rotating spherical shell convection
Phys. Rev E 87, 023021, 2013
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Fuhrmann M., Seehafer N., Valori G., and Wiegelmann T.
A comparison of preprocessing methods for solar force-free magnetic field extrapolation
Astron. Astrophys. 526, A70, 2011
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Kliem B., Rust S., and Seehafer N.
Helicity transport in a simulated coronal mass ejection
In A. Bonanno, E. de Gouveia Dal Pino, and A. G. Kosovichev (eds.)
Advances in Plasma Astrophysics,
Proceedings IAU Symposium No. 274 (2010)
International Astronomical Union, 2011, pp. 125-128
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Seehafer N. and Pipin V.V.
An advective solar-type dynamo without the α effect
Astron. Astrophys. 508, 9-16, 2009
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Pipin V.V. and Seehafer N.
Stellar dynamos with Ω x J effect
Astron. Astrophys. 493, 819-828, 2009
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Seehafer N., Fuhrmann M., Valori G., and Kliem B.
Force-free magnetic fields in the solar atmosphere
Astron. Nachr. 328(10), 1166-1169, 2007
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Fuhrmann M., Seehafer N., and Valori G.
Preprocessing of solar vector magnetograms for force-free magnetic field extrapolation
Astron. Astrophys. 476, 349-357, 2007
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Donner R., Feudel F., Seehafer N., and Sanjuán M. A. F.
Hierarchical modeling of a forced Roberts dynamo
Int. J. Bifurcation & Chaos 17(10), 3589-3593, 2007
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Paluš M., Kurths J., Schwarz U., Seehafer N., Novotná D., and Charvátová I.
The solar activity cycle is weakly synchronized with the solar inertial motion
Phys. Lett. A 365, 421-428, 2007
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Donner R., Seehafer N., Sanjuán M. A. F., and Feudel F.
Low-dimensional dynamo modelling and symmetry-breaking bifurcations
Physica D 223, 151-162, 2006
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Kuzanyan K. M., Pipin V. V., and Seehafer N.
The alpha effect and the observed twist and current helicity of solar
magnetic fields
Solar Phys. 233, 185-204, 2006
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Seehafer N. and Demircan A.
Dynamo action in cellular convection
Magnetohydrodynamics 39(3), 335-344, 2003
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Feudel F., Gellert M., Rüdiger S., Witt A., and Seehafer N.
Dynamo effect in a driven helical flow
Phys. Rev E 68, 046302, 2003
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Seehafer N., Gellert M., Kuzanyan K. M., and Pipin V. V.
Helicity and the solar dynamo
Adv. Space Res. 32(10), 1819-1833, 2003
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Zienicke E., Seehafer N., Li B.-W., Schumacher J., Politano H.,
and Thess A.
Voltage-driven instability of electrically conducting fluids
In E. H. Hirschel (ed.)
Numerical Flow Simulation III
Springer, 2003, pp. 97-111
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Demircan A. and Seehafer N.
Dynamo in asymmetric square convection
Geophys. Astrophys. Fluid Dynam. 96(6), 461-479, 2002
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Seehafer N., Demircan A., and Feudel F.
Fluid helicity and dynamo effect
Nonlin. Anal. 47(5), 3307-3321, 2001
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Demircan A. and Seehafer N.
Nonlinear square patterns in Rayleigh-Bénard convection
Europhys. Lett. 53(2), 202-208, 2001
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Schumacher J. and Seehafer N.
Bifurcation analysis of the plane sheet pinch
Phys. Rev. E 61(3), 2695-2703, 2000
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Demircan A., Scheel S., and Seehafer N.
Heteroclinic behavior in rotating Rayleigh-Bénard convection
Eur. Phys. J. B 13(4), 765-775, 2000
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Schumacher J., Kliem B., and Seehafer N.
Three-dimensional spontaneous magnetic reconnection in neutral current
sheets
Phys. Plasmas 7(1), 108-121, 2000
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Kurths J., Seehafer N., and Spahn F.
Nichtlineare Dynamik in der Physik: Forschungsbeispiele und
Forschungstrends
In K. Mainzer (ed.)
Komplexe Systeme und Nichtlineare Dynamik in Natur und Gesellschaft
Springer, 1999, pp. 52-73
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Seehafer N.
Filaments and the solar dynamo
In D. F. Webb, D. M. Rust, and B. Schmieder (eds.)
New Perspectives on Solar Prominences, Proceedings IAU Colloquium 167 (1997)
Astron. Soc. of the Pacific Conf. Series 150, 407-414, 1998.
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Schmidtmann O., Feudel F., and Seehafer N.
Nonlinear Galerkin methods based on the concept of determining
modes for the magnetohydrodynamic equations
J. Phys. A: Math. Gen. 31, 7141-7155, 1998
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Seehafer N. and Schumacher J.
Resistivity profile and instability of the plane sheet pinch
Phys. Plasmas 5(6), 2363-2369, 1998
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Rüdiger S., Feudel F., and Seehafer N.
Dynamo bifurcations in an array of driven convectionlike rolls
Phys. Rev. E 57(5), 5533-5538, 1998
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Zienicke E., Seehafer N., and Feudel F.
Bifurcations in two-dimensional Rayleigh-Bénard
convection
Phys. Rev. E 57(1), 428-435, 1998
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Seehafer N. and Schumacher J.
Squire's theorem for the magnetohydrodynamic sheet pinch
Phys. Plasmas 4(12), 4447-4449, 1997
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Scheel S. and Seehafer N.
Bifurcation to oscillations in three-dimensional Rayleigh-Bénard
convection
Phys. Rev. E 56(5), 5511-5516, 1997
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Schmidtmann O., Feudel F., and Seehafer N.
Nonlinear Galerkin methods for the 3D magnetohydrodynamic
equations
Int. J. Bifurcation & Chaos 7(7), 1497-1507, 1997
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Braun R., Feudel F., and Seehafer N.
Bifurcations and chaos in an array of forced vortices
Phys. Rev. E 55(6), 6979-6984, 1997
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Seehafer N., Feudel F., and Schmidtmann O.
Nonlinear dynamo with ABC forcing
Astron. Astrophys. 314, 693-699, 1996
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Seehafer N., Zienicke E., and Feudel F.
Absence of magnetohydrodynamic activity in the voltage-driven
sheet pinch
Phys. Rev. E 54(3), 2863-2869, 1996
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Feudel F., Seehafer N., Galanti B., and Rüdiger S.
Symmetry-breaking bifurcations for the magnetohydrodynamic equations
with helical forcing
Phys. Rev. E 54(3), 2589-2596, 1996
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Seehafer N.
Nature of the α effect in magnetohydrodynamics
Phys. Rev. E 53(1), 1283-1286, 1996
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Feudel F., Seehafer N., and Schmidtmann O.
Bifurcation phenomena of the magnetofluid equations
Math. Comput. Simulat. 40(3), 235-245, 1996
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Rust D. M., Crooker N. U., Gold R. E., Golub L., Hundhausen A. J.,
Lanzerotti L. J., Lazarus A. J., Seehafer N., Zanetti L. J., and
Zwickl R. W.
Heliospheric links explorer (HELIX)
Acta Astronautica 39(1-4), 217-227, 1996
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Feudel F. and Seehafer N.
Bifurcations and pattern formation in a two-dimensional
Navier-Stokes fluid
Phys. Rev. E 52(4), 3506-3511, 1995
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Seehafer N.
The turbulent electromotive force in the high-conductivity
limit
Astron. Astrophys. 301, 290-292, 1995
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Feudel F., Seehafer N., and Schmidtmann O.
Fluid helicity and dynamo bifurcations
Phys. Lett. A 202, 73-78, 1995
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Feudel F. and Seehafer N.
On the bifurcation phenomena in truncations
of the 2D Navier-Stokes equations
Chaos, Solitons & Fractals
5(10), 1805-1816, 1995
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Seehafer N.
Current helicity and the turbulent electromotive
force
Europhys. Lett. 27, 353-357, 1994
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Seehafer N.
Alpha effect in the solar atmosphere
Astron. Astrophys. 284, 593-598, 1994
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Seehafer N.
Force-free magnetic fields in static media
Astrophys. Space Sci. 202, 383-386, 1993
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Aly J. J. and Seehafer N.
Coronal force-free magnetic field:
Source-surface model
Solar Phys. 144, 243-254, 1993
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Seehafer N.
Electric current helicity in the solar atmosphere
Solar Phys. 125, 219-232, 1990
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Rädler K.-H. and Seehafer N.
Relations between
helicities in mean-field dynamo models
in H. K. Moffatt
and A. Tsinober (eds.)
Topological Fluid Mechanics
Cambridge University Press, 1990, pp. 157-163
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Seehafer N.
Topological stability of finite-length
magnetic flux tubes
Solar Phys. 107, 73-81, 1986
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Seehafer N.
On the magnetic field line topology in
solar active regions
Solar Phys. 105, 223-235, 1986
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Seehafer N.
Force-free equilibrium at magnetic
neutral points
Astrophys. Space Sci. 122, 247-255, 1986
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Seehafer N.
A magnetic neutral sheet as cause of
the flare productivity of a δ sunspot group
Astron. Nachr. 306, 193-196, 1985
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Seehafer N.
An example for solar flares caused by
magnetic field non-equilibrium
Solar Phys. 96, 307-316, 1985
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Hildebrandt J., Seehafer N., and Krüger A.
An
example of solar S-component calculation using force-free
magnetic field extrapolation
Astron. Astrophys. 134,
185-188, 1984
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Seehafer N. and Staude J.
Methods to determine the
three-dimensional structure of solar atmospheric magnetic
fields
Phys. Solariterr. 22, 5-38, 1983
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Seehafer N.
A comparison of different solar
magnetic field extrapolation procedures
Solar Phys. 81,
69-80, 1982
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Seehafer N. and Staude J.
Evidence for an X-type
neutral sheet producing chromospheric activity
Solar
Phys. 67, 121-125, 1980
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Seehafer N. and Staude J.
Force-free magnetic
field extrapolation for the complex sunspot group of
August 1972
Astron. Nachr. 300, 151-162, 1979
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Seehafer N.
Determination of constant α force-free
solar magnetic fields from magnetograph data
Solar
Phys. 58, 215-223, 1978
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Seehafer N.
On a reliable representation of a class
of force-free solar magnetic fields
Astron. Nachr. 296,
177-181, 1975
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