Helicity polarization in relativistic heavy ion collisions

Abstract

We discuss the helicity polarization which can be locally induced from both vorticity and helicity charge in non-central heavy ion collisions. Helicity charge redistribution can be generated in viscous fluid and contributes to azimuthal asymmetry of the polarization along global angular momentum or beam momentum. We also discuss on detecting the initial net helicity charge from topological charge fluctuation or initial color longitudinal field by the helicity polarization correlation of two hyperons and the helicity alignment of vector mesons in central heavy ion collisions.

arXiv comment5 pages, no figures, some typos corrected, more references added, averaged spin alignment with elliptic flow added

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Cited by in corpus (11)

• Pattern of Global Spin Alignment of $\varphi$ and $K^{\ast 0}$ mesons in Heavy-Ion Collisions
• Spin alignment of vector mesons in heavy-ion collisions
• Foundations and Applications of Quantum Kinetic Theory
• Local and global polarization of $\Lambda$ hyperons across RHIC-BES energies: the roles of spin hall effect, initial condition and baryon diffusion
• Spin Polarization Formula for Dirac Fermions at Local Equilibrium
• Quantum kinetic theory for dynamical spin polarization from QED-type interaction
• Spin polarization dynamics in the non-boost-invariant background
• Impact of globally spin-aligned vector mesons on the search for the chiral magnetic effect in heavy-ion collisions
• Rescattering effect on the measurement of K* spin alignment in heavy-ion collisions
• Polarization in heavy ion collisions: a theoretical review
• Anomalous spin polarization from turbulent color fields