5 papers
Cooling of Hybrid Stars with a 2SC+ Phase
Tsuneo Noda, Akira Dohi, Nobutoshi Yasutake +3
Recently, Fujimoto, Fukushima & Weise (2019) have proposed a new colour-superconductive state, 2SC+ phase, which can be smoothly connected to the low-density baryon superflui…
Magnetized Coulomb crystals in neutron star crusts
Cheng-Jun Xia, Toshiki Maruyama, Nobutoshi Yasutake +1
We investigate the properties of magnetized Coulomb crystals in neutron star crusts using a fully three-dimensional geometry with periodic boundary conditions. The electron density…
Chiral Symmetry in Dense Matter with Meson Condensation
Takumi Muto, Toshiki Maruyama, Toshitaka Tatsumi
Kaon condensation in hyperon-mixed matter [(+) phase], which may be realized in neutron stars, is discussed on the basis of chiral symmetry. With the use of the effective chi…
Axial-Vector and Tensor Spin Polarization and Chiral Restoration in Quark Matter
Tomoyuki Maruyama, Toshitaka Tatsumi
We study spontaneous spin-polarizations of quark matter with flavour symmetry at zero temperature in the NJL model. In a relativistic framework, there are two types of the…
Elastic properties of nuclear pasta in neutron-star crusts
Cheng-Jun Xia, Toshiki Maruyama, Nobutoshi Yasutake +2
Based on the relativistic mean field (RMF) model with Thomas-Fermi approximation, we investigate the elastic properties of neutron star matter. The elastic constants are estimated…