Hydrodynamical properties of baryon rich thermal plasma with flavour quarks

IF 4.8 2区 物理与天体物理 Q2 PHYSICS, PARTICLES & FIELDS The European Physical Journal C Pub Date : 2025-03-27 DOI:10.1140/epjc/s10052-025-14039-7
Rishi Pokhrel, Tanay K. Dey
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Abstract

In this work, we holographically study the hydrodynamical properties of \(\mathcal {N} = 4\) strongly coupled Super Yang–Mills baryon rich thermal plasma with large number of flavour quarks. Specifically, we study the drag force acting on the moving heavy probe quark and corresponding energy loss. We also study the jet quenching parameter, screening length and binding energy of the quark–antiquark pair. Due to the presence of finite baryon density and flavour quarks the drag force, energy loss, jet quenching parameter and binding energy of the quark–antiquark pair are enhanced for the increase in temperature. However, the screening length of the quark–antiquark pair is reduced, leading to the thermal plasma phase being achieved at a lower temperature, which is consistent with the thermal phase diagram of the quark–gluon plasma. We observed that the perpendicular orientation of quark–antiquark pair with respect to the direction of motion deconfined early compare to the parallel orientation once temperature raises.

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含风味夸克的富重子热等离子体的流体动力学性质
本文研究了含有大量风味夸克的\(\mathcal {N} = 4\)强耦合超级Yang-Mills重子热等离子体的流体力学性质。具体来说,我们研究了作用在运动的重探测夸克上的阻力和相应的能量损失。我们还研究了夸克-反夸克对的喷射淬火参数、筛选长度和结合能。由于有限重子密度和风味夸克的存在,夸克-反夸克对的阻力、能量损失、喷射淬火参数和结合能随着温度的升高而增大。然而,夸克-反夸克对的筛选长度减少,导致热等离子体相在较低的温度下实现,这与夸克-胶子等离子体的热相图一致。我们观察到,夸克-反夸克对的垂直方向相对于早期定义的运动方向,与温度升高后的平行方向相比。
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来源期刊
The European Physical Journal C
The European Physical Journal C 物理-物理:粒子与场物理
CiteScore
8.10
自引率
15.90%
发文量
1008
审稿时长
2-4 weeks
期刊介绍: Experimental Physics I: Accelerator Based High-Energy Physics Hadron and lepton collider physics Lepton-nucleon scattering High-energy nuclear reactions Standard model precision tests Search for new physics beyond the standard model Heavy flavour physics Neutrino properties Particle detector developments Computational methods and analysis tools Experimental Physics II: Astroparticle Physics Dark matter searches High-energy cosmic rays Double beta decay Long baseline neutrino experiments Neutrino astronomy Axions and other weakly interacting light particles Gravitational waves and observational cosmology Particle detector developments Computational methods and analysis tools Theoretical Physics I: Phenomenology of the Standard Model and Beyond Electroweak interactions Quantum chromo dynamics Heavy quark physics and quark flavour mixing Neutrino physics Phenomenology of astro- and cosmoparticle physics Meson spectroscopy and non-perturbative QCD Low-energy effective field theories Lattice field theory High temperature QCD and heavy ion physics Phenomenology of supersymmetric extensions of the SM Phenomenology of non-supersymmetric extensions of the SM Model building and alternative models of electroweak symmetry breaking Flavour physics beyond the SM Computational algorithms and tools...etc.
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