The Conditions for Warping and Breaking Protoplanetary Discs

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• Alison Young (Edinburgh)
• Monday 29 April 2024, 14:00-15:00
• MR14 DAMTP and online.

If you have a question about this talk, please contact Roger Dufresne.

The study of warped discs was once limited to the viscous accretion discs around black holes. Now, high resolution observations indicate that the warping and breaking of protoplanetary discs is not uncommon and there is growing interest from the planet formation community in these effects. Warping and breaking alter the evolution of the disc, for example by enhancing the accretion rate and changing the chemical composition. However, our understanding of the conditions under which protoplanetary discs warp and/or tear remains far more limited than for black hole discs. I will present the conclusions from our high-resolution simulations and discuss what factors affect whether and where a protoplanetary disc will break and how this differs from the commonly referenced theoretical predictions. Finally, I will share some examples of observed disc systems that we still can’t explain and suggest avenues for future research.

This talk is part of the DAMTP Astrophysics Seminars series.

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