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astro-ph.HE2025
Magnetic-type Love number differentiating quark stars from neutron stars
Kenji Fukushima, Josuke Minamiguchi, Tomoya Uji
The quark star (QS) is a hypothetical and yet undiscovered stellar object, and its existence would mark a paradigm shift in research on nuclear and quark matter. Although compactne…
hep-ph2025★ 3 cited
Pseudogauge ambiguity in the distributions of energy density, pressure, and shear force inside the nucleon
Kenji Fukushima, Tomoya Uji
We study the spatial distributions of pressure, energy density, and shear forces inside the nucleon within the two-flavor Skyrme model including vector mesons. This framework has t…