A phase transition in cosmological fluid dynamics
- đ¤ Speaker: Zoe Wyatt, DPMMS
- đ Date & Time: Friday 14 March 2025, 13:00 - 14:00
- đ Venue: Potter room / https://cam-ac-uk.zoom.us/j/89259699528?pwd=rI2WS21NUsIKMmZCGtkPuPbM5SL0eW.1
Abstract
On a background Minkowski spacetime, the Euler equations (both relativistic and not) are known to develop shock singularities in finite-time from smooth data. Such shock formation can be suppressed on cosmological spacetimes whose spatial slices expand at an accelerated rate. However, situations with decelerated expansion, which are relevant in our early universe, are not as well understood. I will present some recent joint work in this direction, based on collaborations with David Fajman, Maciej Maliborski, Todd Oliynyk and Max Ofner.
Series This talk is part of the DAMTP Friday GR Seminar series.
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- Potter room / https://cam-ac-uk.zoom.us/j/89259699528?pwd=rI2WS21NUsIKMmZCGtkPuPbM5SL0eW.1
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Friday 14 March 2025, 13:00-14:00