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Effects of Intense Magnetic Fields, High Temperature and Density on QCD-Related Phenomena
High Energy Physics - Phenomenology · Submitted 24 Mar 2021
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim In the intense magnetic fields and high-gluon density, the gluon fusion and gluon splitting channels are proposed as new photon production sources to better explain the experimental data in the so-called "photon puzzle".
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The abstract, sentence by sentence
The effects of high-temperature, dense systems, and strong magnetic fields on Quantum Chromodynamics related phenomena are studied in different perspectives: in the high-temperature and densities, the QCD-phase diagram from the Linear Sigma Model point of view is computed. In particular, the CEP location and transition lines for chiral restoration were found. In the intense magnetic fields and high-gluon density, the gluon fusion and gluon splitting channels are proposed as new photon production sources to better explain the experimental data in the so-called "photon puzzle". Finally, the thermal and magnetic screening properties for gluons encoded into the polarization tensor were addressed in terms of the Debye mass.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | The effects of high-temperature, dense systems, and strong magnetic fields on Quantum Chromodynamics related phenomena are studied in different perspectives: in the high-temperature and densities, the QCD-phase diagram from the Linear Sigma Model point of view is computed. | contribution 0.97 | 0.88 | 0.09 | asserted 0.99 |
| s1 | In particular, the CEP location and transition lines for chiral restoration were found. | result 1.00 | 0.90 | 0.19 | asserted 1.00 |
| s2 | In the intense magnetic fields and high-gluon density, the gluon fusion and gluon splitting channels are proposed as new photon production sources to better explain the experimental data in the so-called "photon puzzle". | contribution 0.96 | 0.68 | 0.21 | hedged possibility 0.49 |
| s3 | Finally, the thermal and magnetic screening properties for gluons encoded into the polarization tensor were addressed in terms of the Debye mass. | contribution 0.96 | 0.78 | 0.11 | asserted 0.96 |
What was examined, and what was not
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The paper
Original abstract
The effects of high-temperature, dense systems, and strong magnetic fields on Quantum Chromodynamics related phenomena are studied in different perspectives: in the high-temperature and densities, the QCD-phase diagram from the Linear Sigma Model point of view is computed. In particular, the CEP location and transition lines for chiral restoration were found. In the intense magnetic fields and high-gluon density, the gluon fusion and gluon splitting channels are proposed as new photon production sources to better explain the experimental data in the so-called "photon puzzle". Finally, the thermal and magnetic screening properties for gluons encoded into the polarization tensor were addressed in terms of the Debye mass.
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References
How the literature uses it
3 arXiv papers cite this in 7 sentences
Papers citing it · 3 sentences without a confident label
Uses its data or values 2 papers
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In peripheral heavy-ion collisions, the magnetic field fluctuations along the transverse plane are approximately $|e δB| ∼m_π^2/4$, where $m_π$ is the pion mass [ref] .
QED Fermions in a noisy magnetic field background: The effective action approach · Introduction · 0.96
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In peripheral heavy-ion collisions, the magnetic field fluctuations along the transverse plane are approximately $|e δB| ∼m_π^2/4$, where $m_π$ is the pion mass [ref] .
Strongly interacting matter in extreme magnetic fields · Introduction · 0.89
Compares with it 1 paper
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Nevertheless, Fig. [ref] shows the CEP's location computed from Eq. [ref] in a low-temperature approximation [ref] (filled black symbols), LQCD calculations (poinst with error bars), other phenomenological models (white-empty symbols), and the computed from Eq. ([ref]) without super-statistics (six-point orange star).
Volume effects on the QCD critical end point from thermal fluctuations within the super statistics framework · Equilibrium effective potential of linear sigma model coupled to quarks · 0.89
What it cites · 102 sentences without a confident label
Uses the method or tool of 1 paper
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The latter formalism is used by Kharzeev et al. by writing the Lienard-Wiechert potentials as function of $Y$ as follows [ref] :
The effects of topological charge change in heavy ion collisions: "Event by event P and CP violation" · Magnetic Fields in a Relativistic Heavy-Ion Collision · 0.94
Uses data or values from 5 papers
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Then, the value of the critical temperature at $μ=0$ is taken to be $T_c≃170$ MeV [ref] .
Thermodynamics of two-flavor lattice QCD with an improved Wilson quark action at non-zero temperature and density · Locating the CEP and Computing the Pressure · 0.99
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where the parameter $a≈1/2$ is obtained from experimental data [ref] , the contribution of the participants to the magnetic field is
Systematic Studies of the Centrality and sqrt(s_NN) Dependence of dE_T/deta and dN_ch/deta in Heavy Ion Collisions at Mid-rapidity · Magnetic Fields in a Relativistic Heavy-Ion Collision · 0.99
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To find it, from the theoretical point of view, lattice calculations have been extended to finite chemical potential by Taylor expansions or Fourier expansion of the grand canonical partition function, locating the CEP in the region $(μ^CEP/T_c,T^CEP/T_c)∼(1-1.4,0.9-0.95)$ [ref] .
QCD thermodynamics on the lattice · Generalities of the QCD Phase Diagram · 0.81
Compares with 9 papers
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Figure [ref] shows the difference between PHENIX data [ref] and the hydrodynamical calculation of Ref. [ref] compared to invariant yield produced by the processes $gg→γ$ and $g→gγ$ considering the contribution to the magnetic field strength produced by the spectators and spectators+participants in Au-Au collisions at $√( s_NN )=200$ GeV for (a)the 0-20% and (b) the 20-40% centrality classes.
1805.04066 · Comparison with PHENIX data · 0.92
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Figure [ref] shows the difference between PHENIX data [ref] and the hydrodynamical calculation of Ref. [ref] compared to invariant yield produced by the processes $gg→γ$ and $g→gγ$ considering the contribution to the magnetic field strength produced by the spectators and spectators+participants in Au-Au collisions at $√( s_NN )=200$ GeV for (a)the 0-20% and (b) the 20-40% centrality classes.
1405.3940 · Comparison with PHENIX data · 0.92
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Both hydrodynamical predictions are compared with the ALICE and CMS experimental data [ref] .
Measurement of higher-order harmonic azimuthal anisotropy in PbPb collisions at a nucleon-nucleon center-of-mass energy of 2.76 TeV · Relativistic Hydrodynamics and Elliptic Flow · 0.93
Cites as background 17 papers
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This analysis yields the basic concepts of the so-called Color Glass Condensate (CGC) as a state of the high-energy hadronic matter, which can be summarized as follows[A detailed description from the theoretical and experimental perspectives can be found at the cited references throughout the current section and complemented with Refs. [ref] .
Pomeron Loops in High Energy QCD · Gluon Distribution Functions · 0.97
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This analysis yields the basic concepts of the so-called Color Glass Condensate (CGC) as a state of the high-energy hadronic matter, which can be summarized as follows[A detailed description from the theoretical and experimental perspectives can be found at the cited references throughout the current section and complemented with Refs. [ref] .
The Color Glass Condensate · Gluon Distribution Functions · 0.97
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This analysis yields the basic concepts of the so-called Color Glass Condensate (CGC) as a state of the high-energy hadronic matter, which can be summarized as follows[A detailed description from the theoretical and experimental perspectives can be found at the cited references throughout the current section and complemented with Refs. [ref] .
Small x physics and RHIC data · Gluon Distribution Functions · 0.97
Discussion
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