[Todos] Fwd: CHARLA IFLYSIB: Martes 7/5, 11.00hs - Theory for systems with spontaneous inhomogeneities on a mesoscopic length scale

[Asistentes de Secretaria de Fisica]

-------- Mensaje original -------- 

 		ASUNTO:
 		CHARLA IFLYSIB: Martes 7/5, 11.00hs - Theory for systems with
spontaneous inhomogeneities on a mesoscopic length scale

 		FECHA:
 		2019-05-02 11:29

 		REMITENTE:
 		Charlas Iflysib <charlas.iflysib en gmail.com>

 		DESTINATARIO:
 		Charlas Iflysib <charlas-iflysib en googlegroups.com>,
academic en fcaglp.unlp.edu.ar, fcnym en museo.fcnym.unlp.edu.ar,
info en ciop.unlp.edu.ar, internet en biol.unlp.edu.ar, scyt en frlp.utn.edu.ar,
secre2 en fisica.unlp.edu.ar, secre en biol.unlp.edu.ar,
secre en mate.unlp.edu.ar, secretaria en inifta.unlp.edu.ar

LOS ESPERAMOS CON CAFÉ 15 MINUTOS ANTES DE LA CHARLA EN EL LOBBY DEL
INSTITUTO. 

Charlas del IFLYSIB

MARTES 7/5, 11:00HS. 
LUGAR: IFLYSIB (59 #789, LA PLATA) 

TÍTULO: _ __ THEORY FOR SYSTEMS WITH SPONTANEOUS INHOMOGENEITIES ON A
MESOSCOPIC LENGTH SCALE_

_ _ 
EXPOSITOR:  _ALINA CIACH_ 

Institute of Physical Chemistry, Polish Academy of Sciences 

RESUMEN:  

In the talk, I'll first present examples of different experimental
systems with inhomogeneities on a mesoscopic length scale. Next, a
generic shape of competing interactions between spherical particles
leading to self-assembly will be discussed, and self-assembled
structures obtained from simulation studies will be presented. The phase
diagrams in the systems with competing short-range attraction and
long-range repulsion, and in the amphiphilic systems show striking
similarity. I'll introduce a theory explaining the origin of this
universal behavior.  Within our theory, effects of fluctuations on the
phase equilibria can be taken into account and the discrepancy between
the mean-field (MF) and  simulation results can be corrected. It should
be noted that in simple fluids the MF approximation leads to predictions
that are qualitatively correct, while in the case of spontaneous
inhomogeneities, the topology of the phase diagram obtained in MF and in
simulations is different at high T. It means that fluctuations in
inhomogeneous systems play a more important role than in simple fluids.
If time allows, striking low -T anomalies and effects of confinement
predicted by simple model systems will be presented. 
--  

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