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<DIV><FONT face=Arial size=2>Les recordamos el coloquio de hoy</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2><FONT face="Times New Roman"
size=3> COLOQUIOS DEL
DEPARTAMENTO DE
FÍSICA<BR>
FCEyN -
UBA<BR><BR>
Charla, café y
galletitas<BR>
En el Aula Federman, 1er piso Pabellón
I.<BR>
Ciudad
Universitaria<BR><BR>
<STRONG>HOY</STRONG> <STRONG>miercoles</STRONG> 1 de abril a las
14 hs</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>
<DIV>
<P class=MsoBodyText style="MARGIN: 0cm 0cm 0pt"><SPAN lang=IT><FONT
face="Times New Roman" size=5>Cambios de fase dinámicos en vidrios y sistemas
fuera del equilibrio<BR> </FONT></SPAN></P>
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<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=ES-AR><FONT
size=3><SPAN
style="mso-spacerun: yes"> <FONT
size=5> Juan P. Garrahan
</FONT></SPAN></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=ES-AR><FONT face=Arial
size=2><SPAN style="mso-spacerun: yes"></SPAN></FONT></SPAN> </P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=ES-AR><FONT
size=3><SPAN
style="mso-spacerun: yes"> <FONT
size=4> </FONT><FONT
size=4>University of Nottingham</FONT></SPAN></FONT></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=ES-AR><FONT
size=4><SPAN style="mso-spacerun: yes"></SPAN></FONT></SPAN> </P><SPAN
lang=ES-AR><FONT size=3><SPAN style="mso-spacerun: yes"><FONT
size=4></FONT></SPAN></FONT></SPAN></FONT></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></SPAN></SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
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size=5><SPAN><FONT face="Times New Roman"><SPAN lang=ES-AR><FONT size=3><SPAN
style="mso-spacerun: yes"><FONT size=4><FONT size=3>La "transición vítrea" es el
nombre que se le da a la transformación de <BR>un líquido a bajas temperaturas
en un sólido amorfo no cristalino. A <BR>pesar de su nombre, este proceso
no es un cambio de fase, como por <BR>ejemplo el cambio de fase en la
solidificación del agua en hielo, sino <BR>una transformación rápida pero
gradual, de origen dinámico y no <BR>termodinámico. La relevancia de la
transición vítrea va mucho más allá <BR>del problema de cómo convertir sílice
líquido (más soda y cal) en el <BR>vidrio de botellas y ventanas, ya que
ocurre en todos los líquidos <BR>moleculares, polímeros y plásticos,
suspensiones coloidales, sistemas <BR>granulares, bio-moléculas, y en problemas
de ensamble nanoscópico, y es <BR>el paradigma en sistemas de materia condensada
que salen del equilibrio. <BR> En esta charla voy a describir el problema
de la transición al vidrio <BR>y por qué es interesante e importante, y
explicaré algunas ideas <BR>recientes que sugieren una solución a este problema
basada en una <BR>mecánica estadística de las trayetorias dinámicas, y
aplicaciones de <BR>estas ideas a otros problemas fuera del
equilibrio.<BR>-------------------------------------------------------</FONT></FONT></SPAN></FONT></SPAN></FONT></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></SPAN></SPAN></FONT></DIV>
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style="mso-spacerun: yes"><FONT size=4><FONT size=3>Los
esperamos!<BR></FONT></FONT></SPAN></FONT></SPAN></FONT></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></FONT></SPAN></SPAN></SPAN></FONT></SPAN></SPAN></SPAN></FONT></DIV></FONT></BODY></HTML>