Half-Skyrmions, Tensor Forces and Symmetry Energy in Cold Dense Matter

Details Half-Skyrmions, Tensor Forces and Symmetry Energy in Cold Dense Matter Half-Skyrmions, Tensor Forces and Symmetry Energy in Cold Dense Matter

2010-05-03

arxiv.org/abs/1005.0255v2

Phys.Rev.C83:025206,2011

Physics

Nuclear Physics

Nuclear Theory

8 pages, 4 figures; contents unchanged but expanded for a journal

Scientific paper

10.1103/PhysRevC.83.025206

In a previous article, the 4D half-skyrmion (or 5D dyonic salt) structure of dense baryonic matter described in crystalline configuration in the large $N_c$ limit was shown to impact nontrivially on how anti-kaons behave in compressed nuclear matter with a possible implication on an "ice-9" phenomenon of deeply bound kaonic matter and condensed kaons in compact stars. We extend the analysis to make a further prediction on the scaling properties of hadrons that have a surprising effect on the nuclear tensor forces, the symmetry energy and hence on the phase structure at high density. We treat this problem relying on certain topological structure of chiral solitons. Combined with what can be deduced from hidden local symmetry for hadrons in dense medium and the "soft" dilatonic degree of freedom associated with the trace anomaly of QCD, we uncover a novel structure of chiral symmetry in the "supersoft" symmetry energy that can influence the structure of neutron stars.

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