Search Results - "Partmann, Christian"

The VIRUS-dE Survey. II. Cuspy and Round Halos in Dwarf Ellipticals—A Result of Early Assembly? by Lipka, Mathias, Thomas, Jens, Saglia, Roberto, Bender, Ralf, Fabricius, Maximilian, Partmann, Christian

“…Abstract We analyze the dark matter (DM) halos of a sample of dwarf ellipticals (dEs) and discuss cosmological and evolutionary implications. Using orbit…”
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BIFROST: simulating compact subsystems in star clusters using a hierarchical fourth-order forward symplectic integrator code by Rantala, Antti, Naab, Thorsten, Rizzuto, Francesco Paolo, Mannerkoski, Matias, Partmann, Christian, Lautenschütz, Kristina

“…ABSTRACT We present BIFROST, an extended version of the GPU-accelerated hierarchical fourth-order forward symplectic integrator code FROST. BIFROST (BInaries…”
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The difficult path to coalescence: massive black hole dynamics in merging low-mass dark matter haloes and galaxies by Partmann, Christian, Naab, Thorsten, Rantala, Antti, Genina, Anna, Mannerkoski, Matias, Johansson, Peter H

“…ABSTRACT We present a high-resolution numerical study of the sinking and merging of massive black holes (MBHs) with masses in the range of $10^3 - 10^7 \,…”
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A Minimal Model for Massive Neutrinos in Newtonian N-body Simulations by Heuschling, Pol, Partmann, Christian, Fidler, Christian

“…We present a novel method for including the impact of massive neutrinos in cold dark matter N-body simulations. Our approach is compatible with widely employed…”
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The formation, evolution and disruption of star clusters with improved gravitational dynamics in simulated dwarf galaxies by Lahén, Natalia, Rantala, Antti, Naab, Thorsten, Partmann, Christian, Johansson, Peter H, Hislop, Jessica May

“…So far, even the highest resolution galaxy formation simulations with gravitational softening have failed to reproduce realistic life cycles of star clusters…”
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The VIRUS-dE Survey II: Cuspy and round halos in dwarf ellipticals -- A result of early assembly? by Lipka, Mathias, Thomas, Jens, Saglia, Roberto, Bender, Ralf, Fabricius, Maximilian, Partmann, Christian

“…We analyze the dark matter (DM) halos of a sample of dwarf Ellitpicals (dE) and discuss cosmological and evolutionary implications. Using orbit modeling we…”
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The importance of nuclear star clusters for massive black hole growth and nuclear star formation in simulated low-mass galaxies by Partmann, Christian, Naab, Thorsten, Lahén, Natalia, Rantala, Antti, Hirschmann, Michaela, Hislop, Jessica M, Petersson, Jonathan, Johansson, Peter H

“…Observed low-mass galaxies with nuclear star clusters (NSCs) can host accreting massive black holes (MBH). We present simulations of dwarf galaxies…”
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The difficult path to coalescence: massive black hole dynamics in merging low mass dark matter haloes and galaxies by Partmann, Christian, Naab, Thorsten, Rantala, Antti, Genina, Anna, Mannerkoski, Matias, Johansson, Peter H

“…We present a high resolution numerical study of the sinking and merging of massive black holes (MBHs) with masses in the range of $10^3 - 10^7 \,…”
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BIFROST: simulating compact subsystems in star clusters using a hierarchical fourth-order forward symplectic integrator code by Rantala, Antti, Naab, Thorsten, Rizzuto, Francesco Paolo, Mannerkoski, Matias, Partmann, Christian, Lautenschütz, Kristina

“…We present BIFROST, an extended version of the GPU-accelerated hierarchical fourth-order forward symplectic integrator code FROST. BIFROST (BInaries in FROST)…”
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MAGICS II. Seed black holes stripped of their surrounding stars do not sink by Zhou, Yihao, Mukherjee, Diptajyoti, Chen, Nianyi, Di Matteo, Tiziana, Johansson, Peter H, Rantala, Antti, Partmann, Christian, Carlo, Ugo NiccolDi, Bird, Simeon, Ni, Yueying

“…MBH seed mergers are expected to be among the loudest sources of gravitational waves detected by the Laser Interferometer Space Antenna (LISA), providing a…”
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Fast simulations of cosmic large-scale structure with massive neutrinos by Partmann, Christian, Fidler, Christian, Rampf, Cornelius, Hahn, Oliver

“…JCAP09(2020)018 Accurate cosmological simulations that include the effect of non-linear matter clustering as well as of massive neutrinos are essential for…”
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