<> "The repository administrator has not yet configured an RDF license."^^ . <> . . "Hydrodynamics of the Common Envelope Phase in Binary Stellar Evolution"^^ . "The common envelope (CE) phase is critical for the formation of close binary stars with at least\r\none compact star. During this phase, a giant star engulfs its companion, which spirals into the\r\ngiant’s envelope. The envelope is ejected and a close binary system results. The ejection mechanism\r\nis unknown and predicting the final state of the system is a long-standing problem in binary stellar\r\nevolution.\r\nThis work establishes the moving-mesh hydrodynamics code AREPO as a new approach to\r\nmodel CE phases, going beyond the current state of the art. Envelopes of giants are stabilized as\r\ninitial conditions. Then, the first CE simulation on a moving mesh demonstrates the occurence of\r\ndynamical instabilities. AREPO’s refinement capabilities allow high resolution around the point\r\nmasses representing the core of the giant and the companion; this is essential for convergence.\r\nThe first magnetohydrodynamic CE simulations show strong field amplifications possibly due to\r\nthe magnetorotational instability. Analyzing the transport of angular momentum and energy yields\r\nno significant contribution by magnetic fields; main drivers are gravitational torques and shocks.\r\nIncluding the ionization state of the gas increases the unbound mass by releasing recombination\r\nenergy, but still fails to completely eject the envelope during the simulation."^^ . "2016" . . . . . . . "Sebastian Thomas"^^ . "Ohlmann"^^ . "Sebastian Thomas Ohlmann"^^ . . . . . . "Hydrodynamics of the Common Envelope Phase in Binary Stellar Evolution (PDF)"^^ . . . "thesis-sohlmann.pdf"^^ . . . "Hydrodynamics of the Common Envelope Phase in Binary Stellar Evolution (Other)"^^ . . . . . . "indexcodes.txt"^^ . . . "Hydrodynamics of the Common Envelope Phase in Binary Stellar Evolution (Other)"^^ . . . . . . "lightbox.jpg"^^ . . . "Hydrodynamics of the Common Envelope Phase in Binary Stellar Evolution (Other)"^^ . . . . . . "preview.jpg"^^ . . . "Hydrodynamics of the Common Envelope Phase in Binary Stellar Evolution (Other)"^^ . . . . . . "medium.jpg"^^ . . . "Hydrodynamics of the Common Envelope Phase in Binary Stellar Evolution (Other)"^^ . . . . . . "small.jpg"^^ . . "HTML Summary of #21513 \n\nHydrodynamics of the Common Envelope Phase in Binary Stellar Evolution\n\n" . "text/html" . . . "520 Astronomie"@de . "520 Astronomy and allied sciences"@en . . . "530 Physik"@de . "530 Physics"@en . .