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• W3102969765 endingPage "103791" @default.
• W3102969765 startingPage "103791" @default.
• W3102969765 abstract "We construct a generalized EFT approach to dense compact-star matter that exploits the CCP for hadron-quark continuity at high density, hidden topology and hidden symmetries of QCD. No Landau-Ginzburg-Wilsonian-type phase transition is involved. The microscopic DoF of QCD possibly intervening at high baryonic density are traded in for fractionalized topological objects. Essential in the description are symmetries invisible in QCD in the matter-free vacuum: Scale symmetry, flavor local symmetry and parity-doubling. The partial emergence of scale symmetry is signaled by a dilatonic scalar in a pseudo-conformal structure. Flavor gauge symmetry manifests with the $rho$ meson mass going toward a Wilsonian RGFP identified with the VMFP at which the gauge boson mass goes to zero. Parity doubling is to take place as the quasi-nucleon mass converges to the chiral invariant $m_0$. The theory accounts satisfactorily for all known properties of normal nuclear matter and makes certain predictions that are drastically different from what's available in the literature. In particular, it provides a topological mechanism, argued to be robust, for the cross-over from soft-to-hard EoS that predicts the star properties in overall agreement with the presently available data, including the maximum star mass $M_{max}sim 2.3 M_odot$ and the recent LIGO/Virgo GW data. What is most glaringly different from all other approaches known, however, is the prediction for the rapid convergence to a sound velocity of star $v_s^2approx 1/3$ at a density $ngsim 3 n_0$, far from the asymptotic density $gsim 50n_0$ expected in pQCD. We interpret this to signal the onset of albeit approximate conformal symmetry in dense compact-star matter. The model developed here could bring out a new paradigm in nuclear/hadron physics, exploiting ideas in condensed matter physics, nuclear and particle physics and astrophysics." @default.
• W3102969765 created "2020-11-23" @default.
• W3102969765 creator A5070609280 @default.
• W3102969765 creator A5083834709 @default.
• W3102969765 date "2020-07-01" @default.
• W3102969765 modified "2023-10-05" @default.
• W3102969765 title "Towards the hadron–quark continuity via a topology change in compact stars" @default.
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