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  Chiral and Deconfining Phase Transitions from Holographic QCD Study

Fang, Z., He, S., & Li, D. (2016). Chiral and Deconfining Phase Transitions from Holographic QCD Study. Nuclear Physics B, 907, 187-207. doi:10.1016/j.nuclphysb.2016.04.003.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0029-60AC-E Version Permalink: http://hdl.handle.net/21.11116/0000-0001-17D2-8
Genre: Journal Article

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1512.04062.pdf (Preprint), 706KB
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 Creators:
Fang, Zhen, Author
He, Song1, Author              
Li, Danning, Author
Affiliations:
1Canonical and Covariant Dynamics of Quantum Gravity, AEI Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:102878              

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Free keywords: High Energy Physics - Phenomenology, hep-ph
 Abstract: A first attempt to accommodate the chiral and deconfining phase transitions of QCD in the bottom-up holographic framework is given. We constrain the relation between dilaton field $\phi$ and metric warp factor $A_e$ and get several reasonable models in the Einstein-Dilaton system. Using the potential reconstruction approach, we solve the corresponding gravity background. Then we fit the background-related parameters by comparing the equation of state with the two-flavor lattice QCD results. After that we study the temperature dependent behavior of Polyakov loop and chiral condensate under those background solutions. We find that the results are in good agreement with the two-flavor lattice results. All the studies about the equation of state, the Polyakov loop and the chiral condensate signal crossover behavior of the phase transitions, which is consistent with the current understanding on the QCD phase transitions with physical quark mass. Furthermore, the extracted transition temperatures are comparable with the two-flavor lattice QCD results.

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 Dates: 2015-12-132016
 Publication Status: Published in print
 Pages: 25 pages, 16 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1512.04062
URI: http://arxiv.org/abs/1512.04062
DOI: 10.1016/j.nuclphysb.2016.04.003
 Degree: -

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Title: Nuclear Physics B
Source Genre: Journal
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Publ. Info: Amsterdam : North-Holland
Pages: - Volume / Issue: 907 Sequence Number: - Start / End Page: 187 - 207 Identifier: ISSN: 0550-3213
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/954925564667