Date : February 15, 2022, 14:00 CET
Xu-Guang Huang (Fudan University)
Link: https://zoom.us/j/98260147834?pwd=VW5BQStqUGUrUFFzWG1jL2tuWXJoZz09
Title: Spin hydrodynamics and Lambda polarization in heavy-ion collisions
Abstract:
Recent experimental success of detecting the spin polarization of Lambda hyperons in heavy-ion collisions enables us to extract the novel properties of fluid vorticity and spin transport of quark gluon plasma (QGP). In this talk, I will first give an overview of the recent progresses of the spin polarization phenomenology in heavy-ion collisions and some puzzles in interpreting the current experimental data. These puzzles strongly suggest a new dynamical framework to describe the collective spin dynamics of QGP — the spin hydrodynamics. Then I will talk about how the spin hydrodynamics can be constructed, how the transport coefficient in it can be calculated in perturbative regime, and how it can be applied to heavy-ion collisions.
