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Relativistic MHD Simulations of Tilted Black-Hole Accretion Disks

Relativistic MHD Simulations of Tilted Black-Hole Accretion Disks. A Study in Computational Astrophysics Presentation by Chris Lindner Research led by Dr. Christopher Fragile. Black Hole Accretion Disks. What are they?. How do they form?. The Simulation. Tilted Disk Case. What is it?.

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Relativistic MHD Simulations of Tilted Black-Hole Accretion Disks

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

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

  3. The Simulation

  4. Tilted Disk Case • What is it? • What evidence is there? • Why is it interesting?

  5. Tilted Disk: What we Found

  6. 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/

  7. Future Studies • High resolution simulations • Effects of black hole parameters • Jets • QPO’s - Quasi-Period Oscillators • Photon and thermal Emissions

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