Vector interactions enlarge anisotropic surface tension of quark matter in magnetic fields, cause transverse tension to rise with B in strong fields, require moderate B for bubble formation, and slightly reduce stability.
Mass formulas and thermodynamic treatment in the mass-density-dependent model of strange quark matter
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abstract
The previous treatments for strange quark matter in the quark mass-density-dependent model have unreasonable vacuum limits. We provide a method to obtain the quark mass parametrizations and give a self-consistent thermodynamic treatment which includes the MIT bag model as an extreme. In this treatment, strange quark matter in bulk still has the possibility of absolute stability. However, the lower density behavior of the sound velocity is opposite to previous findings.
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2026 1verdicts
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Anisotropic surface tension and stability of quark matter modified by the vector interaction
Vector interactions enlarge anisotropic surface tension of quark matter in magnetic fields, cause transverse tension to rise with B in strong fields, require moderate B for bubble formation, and slightly reduce stability.