Author: Robert Bollig

0000000000116392

AUTHOR

Robert Bollig

showing 1 related works from this author

Core-collapse supernova simulations in one and two dimensions: comparison of codes and approximations

2018

We present spherically symmetric (1D) and axisymmetric (2D) supernova simulations for a convection-dominated 9 Msun and a 20 Msun progenitor that develops violent activity by the standing-accretion-shock instability (SASI). We compare in detail the Aenus-Alcar code, which uses fully multidimensional two-moment neutrino transport with an M1 closure, with a ray-by-ray-plus (RbR+) version of this code and with the Prometheus-Vertex code that employs RbR+ two-moment transport with a Boltzmann closure. Besides testing consequences of ignored non-radial neutrino-flux components in the RbR+ approximation, we also discuss the influence of various transport ingredients applied or not applied in rece…

High Energy Astrophysical Phenomena (astro-ph.HE)Physics010308 nuclear & particles physicsScatteringAdvectionAstrophysics::High Energy Astrophysical PhenomenaFOS: Physical sciencesAstronomy and AstrophysicsStrangenessType II supernova01 natural sciencesInstabilityComputational physicsSupernovaAstrophysics - Solar and Stellar AstrophysicsSpace and Planetary Science0103 physical sciencesRadiative transferNeutrinoAstrophysics - High Energy Astrophysical Phenomena010303 astronomy & astrophysicsSolar and Stellar Astrophysics (astro-ph.SR)Monthly Notices of the Royal Astronomical Society

researchProduct

PEPhysical Sciences and Engineering
- PE2Fundamental Constituents of Matter
  - PE2_1Theory of fundamental interactions
  - PE2_2 Phenomenology of fundamental interactions
  - PE2_3Experimental particle physics with accelerators
  - PE2_4Experimental particle physics without accelerators
  - PE2_6Nuclear, hadron and heavy ion physics
  - PE2_8Gas and plasma physics
  - PE2_5Classical and quantum physics of gravitational interactions
  - PE2_7Nuclear and particle astrophysics
  - PE2_9 Electromagnetism
  - PE2_10Atomic, molecular physics
  - PE2_11Ultra-cold atoms and molecules
  - PE2_18Equilibrium and non-equilibrium statistical mechanics: steady states and dynamics
  - PE2_14Lasers, ultra-short lasers and laser physics
  - PE2_17Metrology and measurement
  - PE2_16Non-linear physics
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  - PE2_13Quantum optics and quantum information
  - PE2_15Thermodynamics
- PE1Mathematics
  - PE1_1Logic and foundations
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  - PE1_8Analysis
  - PE1_7Topology
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LSLife Sciences
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  - LS1_2Biochemistry
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  - LS4_3Physiology of ageing
  - LS4_2Comparative physiology
  - LS4_5Non-hormonal mechanisms of inter-organ and tissue communication
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  - LS3_17Theoretical modelling in cellular, developmental and regenerative biology
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  - LS5_1Neuronal cells
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SHSocial Sciences and Humanities
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