Journal
PHYSICAL REVIEW D
Volume 92, Issue 12, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.92.124034
Keywords
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Funding
- HPCI Strategic Program of Japanese MEXT/ JSPS [hpci130025, 140211, 150225]
- RIKEN iTHES Research Project
- European Research Council [CAMAP-259276]
- local Spanish funds [AYA2013-40979-P, PROMETEOII/2014-069]
- [24244028]
- [15H00783]
- [15H00836]
- [15K05077]
- [15H06857]
- [24103001]
- Grants-in-Aid for Scientific Research [15H00836, 15H00783, 15H00782, 15H06857, 15K05077] Funding Source: KAKEN
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We explore magnetic-field amplification due to the Kelvin-Helmholtz instability during binary neutron star mergers. By performing high-resolution general relativistic magnetohydrodynamics simulations with a resolution of 17.5 m for 4-5 ms after the onset of the merger on the Japanese supercomputer K, we find that an initial magnetic field of moderate maximum strength 10(13) G is amplified at least by a factor of approximate to 10(3). We also explore the saturation of the magnetic-field energy and our result shows that it is likely to be greater than or similar to 4 x10(50) erg, which is greater than or similar to 0.1% of the bulk kinetic energy of the merging binary neutron stars.
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