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SUMMARY:Towards a non-equilibrium thermodynamics: the role of large fluctu
 ations - Giovanni Jona-Lasinio (Università degli Studi di Roma La Sapienz
 a\; Università degli Studi di Roma La Sapienza)
DTSTART:20181102T110000Z
DTEND:20181102T123000Z
UID:TALK113596@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:In non-equilibrium there is an enormous variety of phenomena s
 o we cannot&nbsp\; hope to formulate a unique theory having a generality c
 omparable to&nbsp\; classical thermodynamics. We have to restrict to subcl
 asses of problems. Diffusion is a phenomenon almost ubiquitous and in rece
 nt years&nbsp\; considerable progress in its understanding has been obtain
 ed. One&nbsp\; difficulty is to define suitable thermodynamic functionals 
 in far from&nbsp\; equilibrium situations. Large fluctuations have offered
  a way out as large&nbsp\; deviation rates provide genuine thermodynamic f
 unctionals whose singularities describe new phase transitions some of whic
 h can take place&nbsp\; only out of equilibrium.
LOCATION:Seminar Room 2\, Newton Institute
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