Generating tensor polarization from shear stress
Jul 3, 202216 pages
Published in:
- Phys.Rev.Res. 5 (2023) 1, 013187
- Published: Mar 17, 2023
e-Print:
- 2207.01111 [nucl-th]
DOI:
- 10.1103/PhysRevResearch.5.013187 (publication)
Citations per year
Abstract: (APS)
We derive an expression for the tensor polarization of a system of massive spin-1 particles in a hydrodynamic framework. Starting from quantum kinetic theory based on the Wigner-function formalism, we employ a modified method of moments which also takes into account all spin degrees of freedom. It is shown that the tensor polarization of an uncharged fluid is determined by the shear-stress tensor. In order to quantify this novel polarization effect, we provide a formula which can be used for numerical calculations of vector-meson spin alignment in relativistic heavy-ion collisions.Note:
- 16 pages, 1 figure, Version accepted for publication in Physical Review Research
- polarization: tensor
- heavy ion: scattering
- polarization: effect
- spin: alignment
- spin: 1
- numerical calculations
- kinetic
- vector meson
- hydrodynamics
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