=?iso-8859-2?Q?OPOMNIK:_IJS_KOLOKVIJ=2C_sreda=2C_4._12._2013; _ob_13._uri; ?= prof. dr. Slobodan Žumer

Barbara Hrovatin barbara.hrovatin at ijs.si
Tue Dec 3 09:43:52 CET 2013


Vabimo vas na 5. predavanje iz sklopa "Kolokviji na IJS" v letu 2013/14, ki
bo v sredo, 4. decembra 2013, ob 13. uri v Veliki predavalnici Instituta
>Jožef Stefan<  na Jamovi cesti 39 v Ljubljani. Napovednik predavanja
najdete tudi na naslovu http://www.ijs.si/ijsw/Koledar_prireditev, posnetke
preteklih predavanj pa na http://videolectures.net/kolokviji_ijs. 

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

prof. dr. Slobodan Žumer

Fakulteta za matematiko in fiziko, Univerza v Ljubljani,

Institut Jožef Stefan,

Center odličnosti NAMASTE, Ljubljana, Slovenija

 

Topološka mehka snov

 

Topološka mehka snov je specifična snov, pri kateri stabilni ali
metastabilni defekti v orientacijski urejenosti odločilno vplivajo na njeno
strukturo. Stabilizacijo topoloških defektov,  kot so zavozlana
orientacijska polja, omogoča ravnotežje med nasprotujočimi učinki ograditve,
zunanjih polj ali kiralnosti.  Primeri so tekoče kristalne faze v
kompleksnih geometrijah, koloidih in kompozitih. Karakterizira jih izrazito
velika odzivnost na zunanje vplive, zmožnost samourejanja in enostavno
prilagajanje fizikalnih lastnosti za njihovo potencialno uporabo v fotoniki,
optiki in senzoriki. V okviru predavanja bomo predstavili topološko mehko
snov in opisali naše novejše dosežke, ki lepo ilustrirajo tudi pomen
sinergije eksperimentalnih, numeričnih in teorijskih pristopov.

Predavanje bo v angleščini.

Lepo vabljeni!

 

 

*****

 

 

We invite you to the 5th Institute colloquium in the academic year 2013/14.
The colloquium will be held on December 4, 2013 at 1 PM in the main
Institute lecture hall, Jamova 39, Ljubljana. To read the abstract click
http://www.ijs.si/ijsw/Koledar_prireditev. Past colloquia are posted on
http://videolectures.net/kolokviji_ijs.

 

********************************************

prof. dr. Slobodan Žumer

Faculty of Mathematics and Physics, University of Ljubljana,

Jožef Stefan Institute,

Center of Excellence NAMASTE, Ljubljana, Slovenia

 

Topological soft matter

 

Topological soft matter is a specific matter where stable or metastable
defects in orientational molecular ordering crucially determine its
structure.  The stabilization of complex topological defects including
knotted ordering fields is realized by a balance of conflicting effects like
confinement, external fields, and/or intrinsic chirality. Typical examples
are liquid crystalline phases in complex geometries, colloids, and
composites. They are characterized by high susceptibility to external
stimuli, easy directed assembly, robust structures, and simple tuning of
physical properties that make them potentially useful for applications in
optics, photonics, plasmonics, sensorics, and related technologies. In the
talk we will introduce topological soft matter and present some of our
recent achievements resulting from the synergy of experimental, numerical
and theoretical approaches.

 

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