3.7k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- RIKENJP222 papers
- The University of TokyoJP99 papers
- RIKEN Nishina CenterJP75 papers
- Kyoto UniversityJP66 papers
- Yukawa Institute for Theoretical PhysicsJP37 papers
- Kavli Institute for the Physics and Mathematics of the UniverseJP28 papers
- High Energy Accelerator Research OrganizationJP25 papers
- Tohoku UniversityJP24 papers
- The University of OsakaJP22 papers
- Nihon UniversityJP21 papers
- Tokyo Institute of TechnologyJP21 papers
- Keio UniversityJP19 papers
54 papers · 1 filter
Universality of dual mass-scaled fundamental modes in two-fluid neutron stars with mirror dark matter
Hajime Sotani, Ankit Kumar
Universal relations provide a particularly useful way to extract physical information from neutron star observables in the presence of various uncertainties by reducing the depende…
Three-Dimensional Simulations of Type Ia Supernova Remnants I: Effects of a Main-Sequence Companion Star
Jingxiao Luo, Gilles Ferrand, Zhengwei Liu +2
Type Ia supernovae (SNe Ia) serve as one of cosmic standard candles, but their exact progenitor channel is still an open question. SNe Ia commonly come from binary star evolution.…
Probing the Diversity of Type Ia Supernova Remnants in 3-D Hydrodynamic Simulations with X-ray Spectral Synthesis
Yusei Fujimaru, Shiu-Hang Lee, Gilles Ferrand +7
Type Ia supernovae (SNe), thermonuclear explosions of white dwarfs in binary systems, are widely used as standard candles owing to the empirical width-luminosity relation of their…
Universal relations between the quasinormal modes of neutron stars and magnetic tidal deformability
Hajime Sotani
Tidal deformabilities are one of the observable quantities characterizing neutron stars, which are strongly associated with the stellar compactness, the ratio of the stellar mass t…
Universal relation involving fundamental modes in two-fluid dark matter admixed neutron stars
Hajime Sotani, Ankit Kumar
We systematically investigate the fundamental oscillation frequencies of dark matter admixed neutron stars, focusing on models with self-interacting fermionic dark matter that coup…
Measuring the initial mass of 44Ti in SN 1987A through the 44Sc emission line
Roberta Giuffrida, Marco Miceli, Emanuele Greco +7
Context. Deriving the mass and large-scale asymmetries of radioactive isotopes offers valuable insights into the complex phases of a supernova explosion. Important examples are $^{…
Dense Matter in Neutron Stars with eXTP
Ang Li, Anna L. Watts, Guobao Zhang +82
In this White Paper, we present the potential of the enhanced X-ray Timing and Polarimetry (eXTP) mission to constrain the equation of state of dense matter in neutron stars, explo…
The maximum mass and rotational kinetic energy of rapidly rotating neutron stars
Shao-Peng Tang, Yong-Jia Huang, Yi-Zhong Fan
Rapid uniformly-rotating neutron stars are expected to be formed for instance in the collapse of some massive stars, the accretion of compact object binaries, and double neutron st…
Multi-Messenger and Cosmological Constraints on Dark Matter through Two-Fluid Neutron Star Modeling
Ankit Kumar, Sudhakantha Girmohanta, Hajime Sotani
In this study, we investigate the impact of dark matter (DM) on neutron stars (NSs) using a two-fluid formalism that treats nuclear matter (NM) and DM as gravitationally coupled co…
Exploring Neutrino Mass Orderings through Supernova Neutrino Detection
Maria Manuela Saez
Core-collapse supernovae (SNe) are one of the most powerful cosmic sources of neutrinos, with energies of several MeV. The emission of neutrinos and antineutrinos of all flavors ca…
Mass and radius of the most massive neutron star: The probe of the equation of state and perturbative QCD
Shao-Peng Tang, Ming-Zhe Han, Yong-Jia Huang +2
Recently, an association of GW190425 and FRB 20190425A had been claimed and a highly magnetized neutron star (NS) remnant was speculated. Given the -h delay of the occurr…
Investigating Time Evolution of Thermal Emission from the Putative Neutron Star in SN 1987A for 50+ Years
Akira Dohi, Emanuele Greco, Shigehiro Nagataki +4
Observations collected with the Atacama Large Millimeter/submillimeter Array (ALMA) and analysis of broadband X-ray spectra have recently suggested the presence of a central compac…
Interpretation of Radio Afterglows in the framework of the Standard Fireball and Energy Injection models
Delina Levine, Maria Dainotti, Nissim Fraija +3
Gamma-Ray Bursts (GRBs) are panchromatic, highly energetic transients whose energy emission mechanism is still debated. One of the possible explanations is the standard fireball mo…
The closure relations in optical afterglow of Gamma-Ray Bursts
M. G. Dainotti, D. Levine, D. Warren +2
Gamma-ray bursts (GRBs) are extremely high-energy events that can be observed at very high redshift. In addition to gamma rays, they can emit in X-ray, optical, and sometimes radio…
Plausible presence of new state in neutron stars with masses above
Ming-Zhe Han, Yong-Jia Huang, Shao-Peng Tang +1
We investigate the neutron star (NS) equation of state (EOS) by incorporating multi-messenger data of GW170817, PSR J0030+0451, PSR J0740+6620, and state-of-the-art theoretical pro…
Synchrotron Self-Compton Afterglow Closure Relations and Fermi-LAT Detected Gamma-Ray Bursts
N. Fraija, M. G. Dainotti, S. Ugale +2
The Fermi Large Area Telescope (Fermi-LAT) Collaboration reported the Second Gamma-ray Burst Catalog (2FLGC), which comprises a subset of 29 bursts with photon energies above 10 Ge…
Evaluations of uncertainties in simulations of propagation of ultrahigh-energy cosmic-ray nuclei derived from microscopic nuclear models
E. Kido, T. Inakura, M. Kimura +5
Photodisintegration is a main energy loss process for ultrahigh-energy cosmic-ray (UHECR) nuclei in intergalactic space. Therefore, it is crucial to understand systematic uncertain…
R-process viable outflows are suppressed in global alpha-viscosity models of collapsar disks
Oliver Just, Miguel A. Aloy, Martin Obergaulinger +1
Collapsar disks have been proposed to be rich factories of heavy elements, but the major question of whether their outflows are neutron-rich, and could therefore represent signific…
Additional evidence for a pulsar wind nebula in the heart of SN 1987A from multi-epoch X-ray data and MHD modeling
Emanuele Greco, Marco Miceli, Salvatore Orlando +9
Since the day of its explosion, supernova (SN) 1987A has been closely monitored to study its evolution and to detect its central compact relic. In fact, the formation of a neutron…
Merger and post-merger of binary neutron stars with a quark-hadron crossover equation of state
Yong-Jia Huang, Luca Baiotti, Toru Kojo +6
Fully general-relativistic binary-neutron-star (BNS) merger simulations with quark-hadron crossover (QHC) equations of state (EOSs) are studied for the first time. In contrast to E…
The double detonation of a double degenerate system, from Type Ia supernova explosion to its supernova remnant
Gilles Ferrand, Ataru Tanikawa, Donald C. Warren +3
Type Ia supernovae (SNe) are believed to be caused by the thermonuclear explosion of a white dwarf (WD), but the nature of the progenitor system(s) is still unclear. Recent theoret…
Examining Two-Dimensional Luminosity-time Correlations for Gamma Ray Burst Radio Afterglows with VLA and ALMA
Delina Levine, Maria Dainotti, Kevin J. Zvonarek +4
Gamma-ray burst (GRB) afterglow emission can be observed from sub-TeV to radio wavelengths, though only 6.6\% of observed GRBs present radio afterglows. We examine GRB radio light…
A semi-analytic afterglow with thermal electrons and synchrotron self-Compton emission
Donald C. Warren, Maria Dainotti, Maxim V. Barkov +3
We extend previous work on gamma-ray burst (GRB) afterglows involving hot thermal electrons at the base of a shock-accelerated tail. Using a physically-motivated electron distribut…
Closure relations during the plateau emission of Swift GRBs and the fundamental plane
M. G. Dainotti, A. Ł. Lenart, N. Fraija +5
The Neil Gehrels Swift observatory observe Gamma-Ray bursts (GRBs) plateaus in X-rays. We test the reliability of the closure relations through the fireball model when dealing with…