Journal
PHYSICAL REVIEW D
Volume 104, Issue 10, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.104.L101301
Keywords
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Funding
- Brazilian agency Conselho Nacional de Desenvolvimento Cientifico e Tecnologico [309767/2017-2]
- Brazilian agency Fundacao de Amparo a Pesquisa do Estado de Sao Paulo [2013/10559-5]
- CONICET [PIP17-700]
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The research investigates the surface tension and curvature energy of quark matter drops in the MIT bag model with vector interactions, implementing finite size corrections to the density of states using the multiple reflection expansion (MRE) formalism. It is found that the surface tension and curvature energy are strongly enhanced by new terms from vector interactions, potentially impacting the potential hadron-quark mixed phase speculated to exist at neutron star interiors.
We investigate the surface tension a-and the curvature energy y of quark matter drops in the MIT bag model with vector interactions. Finite size corrections to the density of states are implemented by using the multiple reflection expansion (MRE) formalism. We find that a-and y are strongly enhanced by new terms arising from vector interactions. With respect to the noninteracting case they are increased by a large factor, which can be as high as similar to 10 when the vector coupling constant g varies within the range used in the literature. This behavior may have major consequences for the hadron-quark mixed phase speculated to exist at neutron star (NS) interiors, which may be totally suppressed or have its extension substantially reduced.
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