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 Title: 

            Eccentric Disks due to a large embedded planet

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 Authors:

          Gerben Dirksen, Tuebingen University

          Wilhelm Kley, Tuebingen University

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 Abstract:

          We investigate the tidal interactions of large embedded planets (3 - 5 jupiter masses) and protoplanetary disks by means of numerical simulations. Planets of this mass can cause the disk to become eccentric even if the planet is moving on a circular orbit. This in turn can boost the eccentricity of the planet. We investigate the effect of viscosity, initial planetary eccentricity and different initial disk models. The simulations indicate that even for these moderate masses the effect on the disk can be so dramatic that eccentricity growth of both disk and planet can be sustained. 

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