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SUMMARY:[NT/RIKEN seminar] Relativistic Navier-Stokes equations
DTSTART;VALUE=DATE-TIME:20210108T140000Z
DTEND;VALUE=DATE-TIME:20210108T160000Z
DTSTAMP;VALUE=DATE-TIME:20220128T084327Z
UID:indico-event-10080@indico.bnl.gov
DESCRIPTION:It has been widely believed that the relativistic Navier-Stoke
s equations violate the basic physical requirements of equilibrium stabili
ty and causality\, and therefore can not be used for practical simulations
of relativistic fluids. In this talk\, I will discuss why this belief is
unfounded. There is not one\, but infinitely many Navier-Stokes equations
because there are infinitely many conventions that can be used to define w
hat one means by "fluid temperature"\, "fluid velocity" etc. out of equili
brium. The early works on relativistic hydrodynamics (Eckart\, Landau-Lifs
hitz) have indeed adopted conventions that lead to unphysical predictions.
On the other hand\, when one adopts physically sensible conventions\, the
resulting relativistic Navier-Stokes equations are both stable and causal
.\n\nhttps://indico.bnl.gov/event/10080/
LOCATION:
URL:https://indico.bnl.gov/event/10080/
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