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DTSTAMP:20260815T093229Z
LAST-MODIFIED:20201204T151343Z
DTSTART:20201209T190000Z
DTEND:20201209T200000Z
UID:event2382@bu.edu
URL:http://physics.bu.edu/internal/events/show/2382
SUMMARY:(Non equilibrium) Thermodynamics of the classical Neumann model
DESCRIPTION:Featuring Damien Barbier\, ENS Cachan\n\nPart of the Biophysics
	/Condensed Matter Seminar Series.\n\nWe study a classical integrable (Neuma
	nn) model describing the motion of a\nparticle on the sphere\, subject to h
	armonic forces. We tackle the problem\nin the infinite dimensional limit by
	 introducing a soft version in which\nthe spherical constraint is imposed o
	nly on average over initial\nconditions. We show that the Generalized Gibbs
	 Ensemble captures the\nlong-time averages of the soft model. We reveal the
	 full dynamic phase\ndiagram with extended\, quasi-condensed\, coordinate-\
	, and coordinate and\nmomentum-condensed phases. The scaling properties of 
	the fluctuations\nallow us to establish in which cases the strict and soft 
	spherical\nconstraints are equivalent\, confirming the validity of the GGE 
	hypothesis\nfor the Neumann model on a large portion of the dynamic phase d
	iagram.\nhttps://bostonu.zoom.us/j/97175119145?pwd=N1c1SkVYT0x1RjJJbGFsVTIx
	dzJYQT09
LOCATION: \, \, 
STATUS:CONFIRMED
CLASS:PUBLIC
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