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Relativistic MHD Simulations of Tilted Black- Hole Accretion Disks A Study in Computational Astrophysics Presentation by Chris Lindner Research led by Dr. Christopher Fragile

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Black Hole Accretion Disks What are they? How do they form?

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The Simulation

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Tilted Disk Case What is it? What evidence is there? Why is it interesting?

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Tilted Disk: What we Found

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ISCO In Newtonian Physics, a particle can complete an elliptical orbit at any radius from the Black Hole However, in Relativity, once a particle crosses the ISCO, it can no longer Maintain a stable circular orbit Animations adapted from: http://www.fourmilab.ch/gravitation/orbits/

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Future Studies High resolution simulations Effects of black hole parameters Jets QPOs - Quasi-Period Oscillators Photon and thermal Emissions

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