Chiral phase transition in a rotating sphere

Zhang, Zheng; Shi, Chao; Luo, X.; Zong, Hong-Shi

doi:10.1103/physrevd.101.074036

Cited by 14 publications

(7 citation statements)

References 26 publications

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“…boundary conditions implementing more realistic physical constraints, such as considering a sphere or a rotating cylinder instead of cubic box, are also worth investigation [69][70][71]. These studies could deepen our understanding of chirally imbalanced hot and dense QCD matter produced in HICs.…”

Section: Jhep06(2020)122mentioning

confidence: 99%

Chiral transition and the chiral charge density of the hot and dense QCD matter.

Shi

Jia

et al. 2020

J. High Energ. Phys.

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We study the chirally imbalanced hot and dense strongly interacting matter by means of the Dyson-Schwinger equations (DSEs). The chiral phase diagram is studied in the presence of chiral chemical potential µ 5. The chiral quark condensate ψ ψ is obtained with the Cornwall-Jackiw-Tomboulis (CJT) effective action in concert with the Rainbow truncation. Catalysis effect of dynamical chiral symmetry breaking (DCSB) by µ 5 is observed. We examine with two popular gluon models and consistency is found within the DSE approach, as well as in comparison with lattice QCD. The critical end point (CEP) location (µ E , T E) shifts toward larger T E but constant µ E as µ 5 increases. A technique is then introduced to compute the chiral charge density n 5 from the fully dressed quark propagator. We find the n 5 generally increases with temperature T , quark number chemical potential µ and µ 5. Since the chiral magnetic effect (CME) is typically investigated with peripheral collisions, we also investigate the finite size effect on n 5 and find an increase in n 5 with smaller system size.

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Section: Jhep06(2020)122mentioning

confidence: 99%

Chiral transition and the chiral charge density of the hot and dense QCD matter.

Shi

Jia

et al. 2020

J. High Energ. Phys.

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“…Calculating thermal expectation values has some practical meaning for the study of rapidly rotating matter. For example, in noncentral heavy-ion collisions, the strong interacting matter can carry large angular momentum [23], which can influence the phase transition of the matter [24,25]. The fermion condensate can be used as an order parameter to characterize the chiral phase transition for strong interacting matter [26].…”

Section: Discussionmentioning

confidence: 99%

Rotating fermions inside a spherical boundary

Zhang,

Shi,

Luo

et al. 2020

Preprint

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We apply the cannonical quantization procedure to the Dirac field inside a spherical boundary with rotating coordinates. The rotating quantum states with two kinds of boundary conditions, namely, spectral and MIT boundary conditions, are defined. To avoid faster-than-light, we require the speed on the surface to be less than the speed of light. For this situation, the definition of vacuum is unique and identical with the Minkowski vacuum. Finally, we calculate the thermal expectation value of the fermion condensate in a thermal equilibrium rotating fermion field and find it depends on the boundary condition.

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“…Therefore, to describe holographically hyperon polarization at NICA energies we have to deal with 5d deformed metrics with rotation. To date, only one parametric deformed Kerr-AdS solution is known (a solution with one rotational parameter) [76][77][78][79]. In fact from the side of experimental data, it is not obvious that two parameters should be introduced to describe rotated QGP produced in HIC.…”

Section: Jhep04(2021)169mentioning

confidence: 99%

Holographic drag force in 5d Kerr-AdS black hole

Aref’eva

Golubtsova

Gourgoulhon

2021

J. High Energ. Phys.

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We consider the 5d Kerr-AdS black hole as a gravity dual to rotating quark-gluon plasma. In the holographic prescription we calculate the drag force acting on a heavy quark. According to the holographic approach a heavy quark can be considered through the string in the gravity dual. We study the dynamics of the string for the Kerr-AdS backgrounds with one non-zero rotational parameter and two non-zero rotational parameters that are equal in magnitude. For the case of one non-zero rotational parameter we find good agreement with the prediction from the 4d case considered by arXiv:1012.3800.

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Chiral phase transition in a rotating sphere

Cited by 14 publications

References 26 publications

Chiral transition and the chiral charge density of the hot and dense QCD matter.

Chiral transition and the chiral charge density of the hot and dense QCD matter.

Rotating fermions inside a spherical boundary

Holographic drag force in 5d Kerr-AdS black hole

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