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SUMMARY:Relativistic fluid dynamics of spin-polarized systems of particles
DTSTART;VALUE=DATE-TIME:20180801T162000Z
DTEND;VALUE=DATE-TIME:20180801T164000Z
DTSTAMP;VALUE=DATE-TIME:20191120T003353Z
UID:indico-contribution-3045165@indico.cern.ch
DESCRIPTION:Speakers: Radoslaw Ryblewski (Institute of Nuclear Physics PAN
)\nA new framework for relativistic fluid dynamics of particles with spin
1/2 is presented. It is based on the conservation laws for baryon number\,
energy and momentum\, and angular momentum. The conservation laws lead to
hydrodynamic equations for the charge density\, local temperature\, and f
luid velocity\, as well as for the spin polarization tensor. The resulting
set of differential equations extends the standard framework of perfect-f
luid hydrodynamics\, with a conserved entropy current\, in a minimal way.\
n\nIn addition\, the properties of the relativistic spin density matrices
for spin-1/2 particles\, which have been used recently in works on the pol
arization of Lambda hyperons\, are discussed. Their relations to the Pauli
-LubaĆski four-vector and different forms of the spin tensor are elucidat
ed. Some numerical results in full 3+1D space-time coordinates are present
ed.\n\nThe proposed framework forms a basis for hydrodynamic interpretatio
n of polarization measurements of Lambda hyperons in heavy-ion collisions.
\n\nBased on the recent works by:\n[1] W. Florkowski\, B. Friman\, A.Jaisw
al\, E. Speranza\, arXiv:1705.00587\, Phys.Rev. C97 (2018) no.4\, 041901\n
[2] W. Florkowski\, B. Friman\, A.Jaiswal\, R.Ryblewski\, E. Speranza\, ar
Xiv:1712.07676\, submitted to PRD\,\n[3] W. Florkowski\, B. Friman\, A.Jai
swal\, R.Ryblewski\, E. Speranza\, forthcoming\n\nhttps://indico.cern.ch/e
vent/648004/contributions/3045165/
LOCATION:Arts Bldg. Hall F
URL:https://indico.cern.ch/event/648004/contributions/3045165/
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