| Issue |
EPJ Web Conf.
Volume 171, 2018
17th International Conference on Strangeness in Quark Matter (SQM 2017)
|
|
|---|---|---|
| Article Number | 07003 | |
| Number of page(s) | 6 | |
| Section | Global Hyperon Polarisation and Vorticity | |
| DOI | https://doi.org/10.1051/epjconf/201817107003 | |
| Published online | 02 February 2018 | |
https://doi.org/10.1051/epjconf/201817107003
Vorticity and Λ polarization in baryon rich matter
1
Institute of Applied Physics, Academy of Sciences of Moldova, MD-2028 Kishinev, Moldova
2
Joint Institute for Nuclear Research, 141980 Dubna, Russia
3
National Research Nuclear University (MEPhI), 115409 Moscow, Russia
4
Alikhanov Institute for Theoretical and Experimental Physics (ITEP) B. Cheremushkinskaya ul. 25, RU-117218 Moscow, Russia
5
School of Biomedicine, Far Eastern Federal University, Vladivostok, 690950, Russia
* e-mail: teryaev@jinr.ru
Published online: 2 February 2018
The polarization of Λ hyperons due to axial chiral vortical effect is discussed. The effect is proportional to (strange) chemical potential and is pronounced at lower energies in baryon-rich matter. The polarization of ¯ has the same sihn and larger magnitude. The emergence of vortical structures is observed in kinetic QGSM models. The hydrodynamical helicity separation receives the contribution of longitudinal velocity and vorticity implying the quadrupole structure of the latter. The transition from the quark vortical effects to baryons in confined phase may be achieved by exploring the axial charge. At the hadronic level the polarization corresponds to the cores of quantized vortices in pionic superfluid. The chiral vortical effects may be also studied in the frmework of Wigner function establishing the relation to the thermodynamical approach to polarization.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.