67 citations · 524 across the 19 of their papers we have counts for
19 papers
Three-dimensional Magneto-hydrodynamic Simulations of Core-collapse Supernovae: I. Hydrodynamic evolution and protoneutron star properties
Ko Nakamura, Tomoya Takiwaki, Jin Matsumoto +1
We present results from three-dimensional, magnetohydrodynamic, core-collapse simulations of sixteen progenitors following until 0.5 s after bounce. We use non-rotating solar-metal…
Numerical simulation of photospheric emission in long gamma-ray bursts: prompt correlations, spectral shapes, and polarizations
Hirotaka Ito, Jin Matsumoto, Shigehiro Nagataki +3
We explore the properties of photospheric emission in the context of long gamma-ray bursts (LGRBs) using three numerical models that combine relativistic hydrodynamical simulations…
Neutrino-driven massive stellar explosions in 3D fostered by magnetic fields via turbulent -effect
Jin Matsumoto, Tomoya Takiwaki, Kei Kotake
We investigate the influence of magnetic field amplification on the core-collapse supernovae in highly magnetized progenitors through three-dimensional simulations. By considering…
Chiral plasma instability and inverse cascade from nonequilibrium left-handed neutrinos in core-collapse supernovae
Jin Matsumoto, Naoki Yamamoto, Di-Lun Yang
We show that the backreaction of left-handed neutrinos out of equilibrium on the matter sector induces an electric current proportional to a magnetic field even without a chiral im…
Magnetic support for neutrino-driven explosion of 3D non-rotating core-collapse supernova models
Jin Matsumoto, Yuta Asahina, Tomoya Takiwaki +2
The impact of the magnetic field on postbounce supernova dynamics of non-rotating stellar cores is studied by performing three-dimensional magnetohydrodynamics simulations with spe…
Magnetic inhibition of the recollimation instability in relativistic jets
Jin Matsumoto, Serguei S. Komissarov, Konstantinos N. Gourgouliatos
In this paper, we describe the results of three-dimensional relativistic magnetohydrodynamic simulations aimed at probing the role of regular magnetic field on the development of t…
Two-dimensional numerical study for magnetic field dependence of neutrino-driven core-collapse supernova models
Jin Matsumoto, Tomoya Takiwaki, Kei Kotake +2
We study the effects of the magnetic field on the dynamics of non-rotating stellar cores by performing two-dimensional (2D), magnetohydrodynamics (MHD) simulations. To this end, we…
Propagation, cocoon formation, and resultant destabilization of relativistic jets
Jin Matsumoto, Youhei Masada
A cocoon is a by-product of a propagating jet that results from shock heating at the jet head. Herein, considering simultaneous cocoon formation, we study the stability of relativi…
Magnetic Inhibition of Centrifugal Instability in Astrophysical Jets
Serguei S. Komissarov, Konstantinos N. Gourgouliatos, Jin Matsumoto
Recently it was shown that the centrifugal instability may be important in the dynamics of astrophysical jets undergoing reconfinement by external pressure. However, these studies…
The photospheric origin of the Yonetoku relation in gamma-ray bursts
Hirotaka Ito, Jin Matsumoto, Shigehiro Nagataki +3
Long duration gamma-ray bursts (GRBs), the brightest events since the Big Bang itself, are believed to originate in an ultra-relativistic jet breaking out from a massive stellar en…
Linear Theory of the Rayleigh-Taylor Instability at a Discontinuous Surface of a Relativistic Flow
Jin Matsumoto, Miguel A. Aloy, Manel Perucho
We address the linear stability of a discontinuous surface of a relativistic flow in the context of a jet that oscillates radially as it propagates. The restoring force of the osci…
Magnetohydrodynamic Simulation Code CANS+: Assessments and Applications
Yosuke Matsumoto, Yuta Asahina, Yuki Kudoh +7
We present a new magnetohydrodynamic (MHD) simulation code with the aim of providing accurate numerical solutions to astrophysical phenomena where discontinuities, shock waves, and…
Photospheric Emission from Collapsar Jets in 3D Relativistic Hydrodynamics
Hirotaka Ito, Jin Matsumoto, Shigehiro Nagataki +2
We explore the photospheric emission from a relativistic jet breaking out from a massive stellar envelope based on relativistic hydrodynamical simulations and post-process radiatio…
Matter Mixing in Core-collapse Supernova Ejecta: Large Density Perturbations in the Progenitor Star?
J. Mao, M. Ono, S. Nagataki +5
Matter mixing is one important topic in the study of core-collapse supernova (CCSN) explosions. In this paper, we perform two-dimensional hydrodynamic simulations to reproduce the…
Spectral and Polarization Properties of Photospheric Emission From Stratified Jets
Hirotaka Ito, Shigehiro Nagataki, Jin Matsumoto +5
We explore the spectral and polarization properties of photospheric emissions from stratified jets in which multiple components, separated by a sharp velocity shear regions, are di…
Two-dimensional Numerical Study for Rayleigh-Taylor and Richtmyer-Meshkov Instabilities in Relativistic Jets
Jin Matsumoto, Youhei Masada
We study the stability of a non-rotating single-component jet using two-dimensional special relativistic hydrodynamic simulations. By assuming translational invariance along the je…
Effect of Interacting Rarefaction Waves on Relativistically Hot Jets
Jin Matsumoto, Youhei Masada, Kazunari Shibata
The effect of rarefaction acceleration on the propagation dynamics and structure of relativistically hot jets is studied through relativistic hydrodynamic simulations. We emphasize…
Scaling Law of Relativistic Sweet-Parker Type Magnetic Reconnection
Hiroyuki R. Takahashi, Takahiro Kudoh, Youhei Masada +1
Relativistic Sweet-Parker type magnetic reconnection is investigated by relativistic resistive magnetohydrodynamic (RRMHD) simulations. As an initial setting, we assume anti-parall…
Special Relativistic Magnetohydrodynamic Simulation of Two-Component Outflow Powered by Magnetic Explosion on Compact Stars
Jin Matsumoto, Youhei Masada, Eiji Asano +1
The nonlinear dynamics of outflows driven by magnetic explosion on the surface of a compact star is investigated through special relativistic magnetohydrodynamic simulations. We ad…