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7 papers · 2 filters
Berry's phase and chiral anomalies
Kazuo Fujikawa, Koichiro Umetsu
The basic materials of Berry's phase and chiral anomalies are presented to appreciate the phenomena related to those notions. As for Berry's phase, a general survey of the subject…
Neutron star mass formula with nuclear saturation parameters for asymmetric nuclear matter
Hajime Sotani, Shinsuke Ota
Low-mass neutron stars are directly associated with the nuclear saturation parameters because their central density is definitely low. We have already found a suitable combination…
A local-density-approximation description of high-momentum tails in isospin asymmetric nuclei
Xiao-Hua Fan, Zu-Xing Yang, Peng Yin +4
We adapt the local density approximation to add the high-momentum tails (HMTs) to finite nuclei's Slater-determinant momentum distributions. The HMTs are extracted by the extended…
Effects of finite sizes of atomic nuclei on shear modulus and torsional oscillations in neutron stars
Hajime Sotani, Hajime Togashi, Masatoshi Takano
The shear modulus of neutron star matter is one of the important properties for determining torsional oscillations in neutron stars. We take into account the effects of finite size…
Neutron star mass formula with nuclear saturation parameters
Hajime Sotani, Hajime Togashi
We derive the empirical formulas for the neutron star mass and gravitational redshift as a function of the central density and specific combination of the nuclear saturation parame…
New constraints on the neutron-star mass and radius relation from terrestrial nuclear experiments
Hajime Sotani, Nobuya Nishimura, Tomoya Naito
The determination of the equation of state (EOS) for nuclear matter has been one of the biggest problems in nuclear astrophysics, because the EOS is essential for determining the p…