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5 papers · 1 filter
A practical scheme for constructing the minimum weight states of the su(n)-Lipkin model in arbitrary fermion number
Y. Tsue, C. Providencia, J. da Providencia +1
With the aim of performing an argument supplement to the previous paper by the present authors, in this paper, a practical scheme for constructing the minimum weight states of the…
Neutron-skin thickness determines the surface tension of a compressible nuclear droplet
W. Horiuchi, S. Ebata, K. Iida
We systematically investigate the neutron-skin thickness of neutron-rich nuclei within a compressible droplet model, which includes several parameters characterizing the surface te…
Probing crustal structures from neutron star compactness
Hajime Sotani, Kei Iida, Kazuhiro Oyamatsu
With various sets of the parameters that characterize the equation of state (EOS) of nuclear matter, we systematically examine the thickness of a neutron star crust and of the past…
Quark spin polarization and spontaneous magnetization in high density quark matter
Y. Tsue, J. da Providencia, C. Providencia +3
By using the Nambu-Jona-Lasinio model with a tensor-type four-point interaction between quarks, it is shown that there exists a possibility of a spin polarized phase in quark matte…
A note on the Lipkin model in arbitrary fermion number
Y. Tsue, C. Providencia, J. da Providencia +1
A possible form of the Lipkin model obeying the su(6)-algebra is presented. It is a natural generalization from the idea for the su(4)-algebra recently proposed by the present auth…