Does the spin tensor play any role in non-gravitational physics?

In view of the recent polarization measurements in ultra-relativistic heavy ion collisions, we discuss the possibility of a physical meaning of the spin angular momentum in quantum field theory and relativistic hydrodynamics.

Automated summary

The discussion focuses on the recent polarization measurements in ultra-relativistic heavy ion collisions and explores the potential physical meaning of spin angular momentum in quantum field theory and relativistic hydrodynamics.