Search Results - "YASUTAKE, Nobutoshi"

A Lagrangian construction of rotating star models by Ogata, Misa, Okawa, Hirotada, Fujisawa, Kotaro, Yasutake, Nobutoshi, Yamamoto, Yu, Yamada, Shoichi

“…ABSTRACT We present a new formulation for numerically obtaining axisymmetric equilibrium structures of rotating stars in two spatial dimensions. With a view to…”
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Elastic properties of nuclear pasta in a fully three-dimensional geometry by Xia, Cheng-Jun, Maruyama, Toshiki, Yasutake, Nobutoshi, Tatsumi, Toshitaka, Zhang, Ying-Xun

“…Realistic estimations on the elastic properties of neutron star matter are carried out with a large strain (ε≲0.5) in the framework of relativistic-mean-field…”
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A novel formulation by Lagrangian variational principle for rotational equilibria: towards multidimensional stellar evolutions by Yasutake, Nobutoshi, Fujisawa, Kotaro, Yamada, Shoichi

“…Abstract We have developed a new formulation to obtain self-gravitating, axisymmetric configurations in permanent rotation. The formulation is based on the…”
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Cooling of neutron stars with quark-hadron continuity by Noda, Tsuneo, Yasutake, Nobutoshi, Hashimoto, Masa-aki, Maruyama, Toshiki, Tatsumi, Toshitaka

“…Neutron stars are high-density objects formed by the gravitational collapse of massive stars, and the whole star can be likened to a giant nucleus. The…”
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Finite-size effects at the hadron-quark transition and heavy hybrid stars by Yasutake, Nobutoshi, Łastowiecki, Rafał, Benić, Sanjin, Blaschke, David, Maruyama, Toshiki, Tatsumi, Toshitaka

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Signatures of hadron-quark mixed phase in gravitational waves by Sotani, Hajime, Yasutake, Nobutoshi, Maruyama, Toshiki, Tatsumi, Toshitaka

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Asymmetric Neutrino Reaction in Magnetized Proto-Neutron Stars in Fully Relativistic Approach by Maruyama, Tomoyuki, Kajino, Toshitaka, Yasutake, Nobutoshi, Cheoun, Myung-Ki, Ryu, Chung-Yeol

“…We calculate asymmetric neutrino absorption and scattering cross sections on hot and dense magnetized neutron-star matter including hyperons in fully…”
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Equation of State of Structured Matter at Finite Temperature by Maruyama, Toshiki, Yasutake, Nobutoshi, Tatsumi, Toshitaka

“…We investigate the properties of nuclear matter at the first-order phase transitions such as liquid-gas phase transition and hadron-quark phase transition. As…”
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A novel Lagrangian formulation to construct relativistic rotating stars: towards its application to their evolution calculations by Okawa, Hirotada, Fujisawa, Kotaro, Yasutake, Nobutoshi, Ogata, Misa, Yamamoto, Yu, Yamada, Shoichi

“…ABSTRACT We present a new formulation to construct numerically equilibrium configurations of rotating stars in general relativity. Having in mind the…”
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Rotational equilibria by Lagrangian variational principle: towards multidimensional stellar evolutions by Yasutake, Nobutoshi, Fujisawa, Kotaro, Yamada, Shoichi

“…We have developed a new formulation to obtain self-gravitating, axisymmetric configurations in permanent rotation. The formulation is based on the Lagrangian…”
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The W4 method: A new multi-dimensional root-finding scheme for nonlinear systems of equations by Okawa, Hirotada, Fujisawa, Kotaro, Yamamoto, Yu, Hirai, Ryosuke, Yasutake, Nobutoshi, Nagakura, Hiroki, Yamada, Shoichi

“…We propose a new class of method for solving nonlinear systems of equations, which, among other things, has four nice features: (i) it is inspired by the…”
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Rapid spin deceleration of magnetized protoneutron stars via asymmetric neutrino emission by Maruyama, Tomoyuki, Hidaka, Jun, Kajino, Toshitaka, Yasutake, Nobutoshi, Kuroda, Takami, Takiwaki, Tomoya, Cheoun, Myung-Ki, Ryu, Chung-Yeol, Mathews, Grant J.

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The W4 method: A new multi-dimensional root-finding scheme for nonlinear systems of equations by Okawa, Hirotada, Fujisawa, Kotaro, Yamamoto, Yu, Hirai, Ryosuke, Yasutake, Nobutoshi, Nagakura, Hiroki, Yamada, Shoichi

“…We propose a new class of method for solving nonlinear systems of equations, which, among other things, has four nice features: (i) it is inspired by the…”
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COOLING OF COMPACT STARS WITH COLOR SUPERCONDUCTING PHASE IN QUARK-HADRON MIXED PHASE by Noda, Tsuneo, Hashimoto, Masa-aki, Yasutake, Nobutoshi, Maruyama, Toshiki, Tatsumi, Toshitaka, Fujimoto, Masayuki

“…We present a new scenario for the cooling of compact stars considering the central source of Cassiopeia A (Cas A). The Cas A observation shows that the central…”
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Possible evolutionary transition from rapidly rotating neutron stars to strange stars due to spin-down by YASUTAKE, Nobutoshi, HASHIMOTO, Masa-Aki, ERIGUCHI, Yoshiharu

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Amorphous state in the mixed phase of hadron-quark phase transition in protoneutron stars by Yasutake, Nobutoshi, Maruyama, Toshiki, Tatsumi, Toshitaka

“…We study the hadron-quark mixed phase in protoneutron stars, where neutrinos are trapped and lepton number becomes a conserved quantity besides the baryon…”
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Relativistic hybrid stars with super-strong toroidal magnetic fields: an evolutionary track with QCD phase transition by Yasutake, Nobutoshi, Kiuchi, Kenta, Kotake, Kei

“…We investigate the structures of hybrid stars, which feature a quark core surrounded by a hadronic matter mantle, with super-strong toroidal magnetic fields in…”
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An investigation into surface temperature distributions of high-magnetic-field pulsars by Yasutake, Nobutoshi, Kotake, Kei, Kutsuna, Masamichi, Shigeyama, Toshikazu

“…Bearing in mind the application to high-magnetic-field (high-B) radio pulsars, we investigate two-dimensional (2D) thermal evolutions of neutron stars (NSs)…”
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Crossover equation of state based on color-molecular-dynamics by Yasutake, Nobutoshi, Maruyama, Toshiki

“…The equation of State for dense matter is studied with color molecular dynamics, in which hadron matter and quark matter are automatically distinguished only…”
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Relativistic mean-field treatment of pulsar kicks from neutrino propagation in magnetized proto-neutron stars by Maruyama, Tomoyuki, Yasutake, Nobutoshi, Cheoun, Myung-Ki, Hidaka, Jun, Kajino, Toshitaka, Mathews, Grant J., Ryu, Chung-Yeol

“…We make a perturbative calculation of neutrino scattering and absorption in hot and dense hyperonic neutron-star matter in the presence of a strong magnetic…”
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