Examining the crossover from hadronic to partonic phase in QCD

Abstract

It is argued that, due to the existence of two vacua -- perturbative and physical -- in QCD, the mechanism for the crossover from hadronic to partonic phase is hard to construct. The challenge is: how to realize the transition between the two vacua during the gradual crossover of the two phases. A possible solution of this problem is proposed and a mechanism for crossover, consistent with the principle of QCD, is constructed. The essence of this mechanism is the appearance and growing up of a kind of grape-shape perturbative vacuum inside the physical one. A dynamical percolation model based on a simple dynamics for the delocalization of partons is constructed to exhibit this mechanism. The crossover from hadronic matter to sQGP as well as the transition from sQGP to wQGP in the increasing of temperature is successfully described by using this model with a temperature dependent parameter.

4 pages, 4 figures

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Cited by in corpus (23)

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• Crossover transition in bag-like models
• Fully heavy pentaquarks in quark models
• Search for doubly-heavy dibaryons in the quark-delocalization color-screening model
• $P_c$-like pentaquarks in hidden strange sector
• $ND$ and $NB$ systems in quark delocalization color screening model
• Investigating tetraquarks composed of $us\bar{d}\bar{b}$ and $ud\bar{s}\bar{b}$
• Prediction of $N\Omega$-like dibaryons with heavy quarks
• The thermal evolution of nuclear matter at zero temperature and definite baryon number density in chiral perturbation theory
• Possible existence of a dibaryon candidate $N\Delta$ ($D_{21}$)
• Dynamical development of proton cumulants and correlation functions in Au+Au collisions at $\sqrt{s_{NN}}=7.7$ GeV from a multiphase transport model
• Investigate the pentaquark resonance in the $NK$ system
• Critical properties of various sizes of cluster in the Ising percolation transition
• Study of the hidden charm pentaquarks ${\Lambda }_{c\bar{c}}$ above $4$ GeV
• The vacuum tunnelling and the crossover of deconfinement in Friedberg-Lee model
• Unitarity and the color confinement
• Exploring percolation phase transition in the three-dimensional Ising model with machine learning
• QCD phase diagram and locating critical point using RHIC low energy scan data
• The explanation of some exotic states in the $cs\bar{c}\bar{s}$ tetraquark system