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Simulations of magneto-convection in the solar photosphere Equations, methods, and results of the MURaM code

- A. Vögler, S. Shelyag, M. Schüssler, F. Cattaneo, T. Emonet, T. Linde
- Physics
- 2005

We have developed a 3D magnetohydrodynamics simulation code for applications in the solar convection zone and photosphere. The code includes a non-local and non-grey radiative transfer module and… Expand

On the Origin of Magnetic Fields in the Quiet Photosphere

- F. Cattaneo
- Physics
- 24 February 1999

We consider the possibility that a substantial fraction of the magnetic field in the quiet photosphere is generated locally by dynamo action associated with the granular and supergranular flows. The… Expand

Nonlinear Restrictions on Dynamo Action

- S. Vainshtein, F. Cattaneo
- Physics
- 1 July 1992

Astrophysical dynamos operate in the limit of small magnetic diffusivity. In order for magnetic reconnection to occur, very small magnetic structures must form so that diffusion becomes effective.… Expand

Suppression of turbulent transport by a weak magnetic field

- F. Cattaneo, S. Vainshtein
- Physics
- 1 July 1991

Two-dimensional numerical simulations with high spatial resolution are used to study the effects of a large-scale magnetic field on its turbulent transport. It is commonly believed that the nonlinear… Expand

On the Interaction between Convection and Magnetic Fields

- F. Cattaneo, T. Emonet, N. Weiss
- Physics
- 10 May 2003

Turbulent convection in the solar photosphere can act as a small-scale dynamo, maintaining a disordered magnetic field that is locally intense. On the other hand, convection is inhibited in the… Expand

Dynamic alignment in driven magnetohydrodynamic turbulence.

- J. Mason, F. Cattaneo, S. Boldyrev
- PhysicsPhysical review letters
- 17 February 2006

TLDR

Magnetic-field generation in Kolmogorov turbulence.

- S. Boldyrev, F. Cattaneo
- PhysicsPhysical review letters
- 28 October 2003

TLDR

Dynamo action in a rotating convective layer

- F. Cattaneo, D. Hughes
- PhysicsJournal of Fluid Mechanics
- 1 April 2006

We study dynamo processes in a convective layer of Boussinesq fluid rotating about the vertical. Irrespective of rotation, if the magnetic Reynolds number is large enough, the convection acts as an… Expand

The nonlinear breakup of a magnetic layer: instability to interchange modes

- F. Cattaneo, D. Hughes
- PhysicsJournal of Fluid Mechanics
- 1 November 1988

Motivated by considerations of the solar toroidal magnetic field we have studied the behaviour of a layer of uniform magnetic field embedded in a convectively stable atmosphere. Since the field can… Expand

Dynamo properties of the turbulent velocity field of a saturated dynamo

- F. Cattaneo, S. Tobias
- PhysicsJournal of Fluid Mechanics
- 1 February 2009

In order better to understand how dynamo systems saturate, we study the kinematic dynamo properties of velocity fields that arise from nonlinearly saturated dynamos. The technique is implemented by… Expand

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