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UID:0-927@lptms.universite-paris-saclay.fr
DTSTART;TZID=Europe/Paris:20240130T110000
DTEND;TZID=Europe/Paris:20240130T120000
DTSTAMP:20240125T142204Z
URL:https://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lpt
 ms-joel-mabillard-ulb-bruxelles/
SUMMARY:Séminaire du LPTMS : Joël Mabillard (Université libre de Bruxell
 es) - Salle des séminaires du FAST et du LPTMS\, bâtiment Pascal n°530 
 - 30 Jan 24 11:00
DESCRIPTION:Dissipative hydrodynamics of systems with broken symmetriesJoë
 l Mabillard (ULB Bruxelles) In phases of condensed matter with broken con
 tinuous symmetries\, as well as in fluids\, transport processes generate i
 rreversibility at the macroscale. To be complete\, the hydrodynamic equati
 ons must include these dissipative effects. A fundamental question is to d
 educe all of them from the microscopic Hamiltonian dynamics of the particl
 es with the methods of non-equilibrium statistical mechanics. In this pres
 entation\, a first-principle derivation based on a local-equilibrium appro
 ach is introduced. As an example of application\, the crystalline solid is
  considered. The breaking of the three-dimensional continuous group of spa
 tial translations implies the existence of three slow modes in addition to
  the five slow modes arising from the fundamental conservation laws of mas
 s\, energy\, and linear momentum. Finally\, based on the results of the lo
 cal-equilibrium approach\, the equilibrium and nonequilibrium properties r
 elevant to the hydrodynamics of the perfect hard-sphere crystal are obtain
 ed with molecular dynamics simulations.
CATEGORIES:seminars
LOCATION:Salle des séminaires du FAST et du LPTMS\, bâtiment Pascal n°53
 0\, rue André Riviere\, Orsay\, 91405\, France
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=rue André Riviere\, Orsay\
 , 91405\, France;X-APPLE-RADIUS=100;X-TITLE=Salle des séminaires du FAST 
 et du LPTMS\, bâtiment Pascal n°530:geo:0,0
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