Impact of spin polarization on transport and thermodynamic coefficients

Abstract

This work investigates the influence of parton spin polarization on effective transport and thermodynamic coefficients in noncentral light- and heavy-ion collisions. To model this influence, I consider two sources of spin polarization: thermal vorticity, induced by angular momentum, and thermal shear, arising from local velocity gradients. Using a novel kinetic theory framework, one finds that transport and thermodynamic coefficients -- including the speed of sound squared $c_s^2$, specific shear viscosity $\eta /s$, specific bulk viscosity $\zeta /s$, and mean free path $\lambda$ -- are substantially modified by spin polarization effects. Among the two sources, thermal vorticity-induced spin polarization dominates the modifications to these coefficients. Moreover, both $c_s^2$ and $\zeta /s$ exhibit a nonmonotonic dependence on the collision energy, and the associated scaling behaviors potentially serve as indicators of the critical phenomena of quantum chromodynamics.

arXiv comment10 pages, 6 figures, publish version

References in corpus (67)

• Experimental and Theoretical Challenges in the Search for the Quark Gluon Plasma: The STAR Collaboration's Critical Assessment of the Evidence from RHIC Collisions
• Formation of dense partonic matter in relativistic nucleus-nucleus collisions at RHIC: Experimental evaluation by the PHENIX collaboration
• Quark Gluon Plasma an Color Glass Condensate at RHIC? The perspective from the BRAHMS experiment
• The PHOBOS Perspective on Discoveries at RHIC
• A Multi-Phase Transport Model for Relativistic Heavy Ion Collisions
• Computational complexity and fundamental limitations to fermionic quantum Monte Carlo simulations
• Signatures of the Tricritical Point in QCD
• Global $\Lambda$ hyperon polarization in nuclear collisions: evidence for the most vortical fluid
• Globally Polarized Quark-gluon Plasma in Non-central A+A Collisions
• First Results from Pb+Pb collisions at the LHC
• Relativistic distribution function for particles with spin at local thermodynamical equilibrium
• Creating small circular, elliptical, and triangular droplets of quark-gluon plasma
• Multi-system Bayesian constraints on the transport coefficients of QCD matter
• Small System Collectivity in Relativistic Hadron and Nuclear Collisions
• Evidence for collective multi-particle correlations in pPb collisions
• Relativistic fluid dynamics with spin
• Charged-particle nuclear modification factors in PbPb and pPb collisions at sqrt(s[NN]) = 5.02 TeV
• Polarization of $\Lambda$ ($\bar{\Lambda }$) hyperons along the beam direction in Au+Au collisions at $\sqrt{s_{{}_{NN}}}$ = 200 GeV
• Non-monotonic energy dependence of net-proton number fluctuations
• Bayesian analysis of heavy ion collisions with the heavy ion computational framework Trajectum
• Bulk and shear viscosities of matter created in relativistic heavy-ion collisions
• Phenomenological constraints on the transport properties of QCD matter with data-driven model averaging
• Relativistic hydrodynamics for spin-polarized fluids
• Evidence of spin-orbital angular momentum interactions in relativistic heavy-ion collisions
• Generating spin polarization from vorticity through nonlocal collisions
• Spin-thermal shear coupling in a relativistic fluid
• Thermal vorticity and spin polarization in heavy-ion collisions
• Pattern of Global Spin Alignment of $\varphi$ and $K^{\ast 0}$ mesons in Heavy-Ion Collisions
• Bulk viscosity, particle spectra and flow in heavy-ion collisions
• Spin Hydrodynamics and Symmetric Energy-Momentum Tensors -- A current induced by the spin vorticity --
• From Chiral Kinetic Theory To Relativistic Viscous Spin Hydrodynamics
• Estimating initial state and quark-gluon plasma medium properties using a hybrid model with nucleon substructure calibrated to $p$-Pb and Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV
• Gluodynamics and deconfinement phase transition under rotation from holography
• Dissipative Spin Dynamics in Relativistic Matter
• Gluon spectral functions and transport coefficients in Yang--Mills theory
• Spin polarization evolution in a boost invariant hydrodynamical background
• The Present and Future of QCD
• Beam Energy Dependence of Triton Production and Yield Ratio (${\mathrm{N}}_t\times {\mathrm{N}}_p/{\mathrm{N}}_d^2$) in Au+Au Collisions at RHIC
• Temperature dependence of $\eta /s$ of strongly interacting matter: effects of the equation of state and the parametric form of $(\eta /s)(T)$
• Spin polarization dynamics in the non-boost-invariant background
• Higher-Order Cumulants and Correlation Functions of Proton Multiplicity Distributions in $\sqrt{s_{\mathrm{NN}}}$ = 3 GeV Au+Au Collisions at the RHIC STAR Experiment
• Bayesian quantification of strongly-interacting matter with color glass condensate initial conditions
• Λ polarization from thermalized jet energy
• Transport coefficients in a finite volume Polyakov--Nambu--Jona-Lasinio model
• Viscosity of pure-glue QCD from the lattice
• Hybrid approach to perfect and dissipative spin hydrodynamics
• Building a testable shear viscosity across the QCD phase diagram
• Chiral phase transition inside a rotating cylinder within the Nambu--Jona-Lasinio model
• Speed of sound in QCD matter
• Impact of vorticity and viscosity on the hydrodynamic evolution of hot QCD medium
• Effects of finite volume and magnetic fields on thermodynamic properties of quark matter and fluctuations of conserved charges
• Speed of sound and liquid-gas phase transition in nuclear matter
• Impact of different extended components of mean field models on transport coefficients of quark matter and their causal aspects
• Suppression of thermal vorticity as an indicator of QCD critical point
• The shear viscosity of parton matter under anisotropic scatterings
• Spin chemical potential for relativistic particles with spin 1/2
• Effect of Coriolis force on the shear viscosity of quark matter: A nonrelativistic description
• Energy and Centrality Dependence of Chemical Freeze-out Thermodynamics parameters
• Semi-classical kinetic theory for massive spin-half fermions with leading-order spin effects
• QCD Phase Diagram and the Finite Volume Fireball: A Model Study
• System-size dependence of the viscous attenuation of anisotropic flow in p+Pb and Pb+Pb collisions at LHC energies
• Effect of finite volume on thermodynamics of quark-hadron matter
• Chiral and deconfinement thermal transitions at finite quark spin polarization in lattice QCD simulations
• Information entropy for central ${}^{197}$Au+${}^{197}$Au collisions with the ultrarelativistic quantum molecular dynamics model
• Early thermalization and shear viscosity to entropy ratio in heavy-ion collisions at energies of BES, FAIR and NICA
• Momentum transport of chiral modes in a thermal QCD medium
• Viscosity of non equilibrium hot $\&$ dense QCD drop formed at LHC