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VERSION:2.0
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SUMMARY:Relativistic Navier-Stokes: recent developments
DTSTART:20241024T143000Z
DTEND:20241024T160000Z
DTSTAMP:20260429T144153Z
UID:3833b510-7d01-4e8d-bbc0-6cfcbedb7cc9
SEQUENCE:2
CREATED:20241021T103718Z
DESCRIPTION:The Navier-Stokes equations are ubiquitous in the physical des
 cription of our universe\, but their relativistic counterpart\, as origina
 lly formulated many decades ago\, suffer severe issues. In recent years\, 
 a well-behaved version of relativistic Navier-Stokes has been proposed\, s
 atisfying good properties of well-posedness and causality. Alternative for
 mulations\, like the widely used Muller-Israel-Stewart (MIS) theories that
  successfully describe the quark-gluon plasma\, are known to present limit
 ations. Moreover\, weak processes in neutron star mergers are believed to 
 give rise to an effective viscosity\, for which MIS descriptions find simi
 lar limitations. We present recent developments in numerical evolutions of
  the relativistic Navier-Stokes equations\, pointing to the description of
  these systems\, as a promising approach for which these limitations are a
 bsent.
LAST-MODIFIED:20241021T103830Z
LOCATION:Sala de seminários do DF  (2-8.3)\, 2º piso do Pavilhão de Fí
 sica
URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/relativistic-navier-stokes
 -recent-developments/
X-ALT-DESC;FMTTYPE=text/html:<p data-block-key="hht3y">The Navier-Stokes e
 quations are ubiquitous in the physical description of our universe\, but 
 their relativistic counterpart\, as originally formulated many decades ago
 \, suffer severe issues. In recent years\, a well-behaved version of relat
 ivistic Navier-Stokes has been proposed\, satisfying good properties of we
 ll-posedness and causality.<br/><br/> Alternative formulations\, like the 
 widely used Muller-Israel-Stewart (MIS) theories that successfully describ
 e the quark-gluon plasma\, are known to present limitations. Moreover\, we
 ak processes in neutron star mergers are believed to give rise to an effec
 tive viscosity\, for which MIS descriptions find similar limitations.<br/>
 <br/> We present recent developments in numerical evolutions of the relati
 vistic Navier-Stokes equations\, pointing to the description of these syst
 ems\, as a promising approach for which these limitations are absent.</p>
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