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Glozman, L.Ya.; Sazonov, V.K.; Wagenbrunn, R.F.

doi:10.5506/aphyspolbsupp.5.717

Cited by 1 publication

(2 citation statements)

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“…This regime is somewhat lower in T than that examined in, e.g., Refs. [37,39,40], making it likely that percolation dynamics is relevant in proto-neutron stars (a similar regime to that examined in Refs. [75,76]) rather than lower energy colliders [42][43][44][45].…”

Section: The Confinement Phase Transition In N C -ρ B -E Spacementioning

confidence: 83%

“…There is, however, a newly conjectured regime where the percolation picture might be viable: It is the proposed "quarkyonic matter" at low temperature (below the deconfinement temperature T c ) and moderate density (one baryon per baryonic size, μ Q = μ B /N c QCD ) [35][36][37][38][39][40][41], which is confined (the excitations at the Fermi surface are baryonic) but "quarklike," in that pressure and perhaps also entropy density feel the quarks below the Fermi surface and consequently scale as N 1 c , as opposed to N 0 c . Unlike in Refs.…”

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confidence: 99%

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Quarkyonic percolation and deconfinement at finite density and number of colors

Lottini

Torrieri

2013

Phys. Rev. C

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We examine the interplay between the percolation and the deconfinement phase transitions of Yang-Mills matter at finite temperature, quark chemical potential μ Q , and number of colors N c . We find that, whereas the critical N c for percolation goes down with density, the critical N c for confinement generally goes up. Because of this, Yang-Mills matter falls into two qualitatively different regimes: the "low-N c limit," where percolation does not occur because matter deconfines before it percolates, and the "high-N c limit," where there are three distinct phases-confined, deconfined, and confined but percolating matter-characterizing Yang-Mills matter at finite temperature and density. The latter can be thought of as the recently conjectured "quarkyonic phase." We attempt an estimate of the critical N c to see if the percolating phase can occur in our world. We find that, while percolation will not occur at normal nuclear density as in the large-N c limit, a sliver of the phase diagram in N c , energy density and baryonic density where percolation occurs while confinement persists is possible. We conclude by speculating on the phenomenological properties of such percolating "quarkyonic" matter and suggesting avenues by which to study it quantitatively and to look for it in experiment.

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