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* MSS Seminar@Kyoto #18 [#c610b9d1]
** Date [#h6322276]
- April 5, 2011Tue14:0016:00

** Place [#l1d090ce]
- Kyoto University, Katsura Campus A2 ***([[access map:http://www.kyoto-u.ac.jp/en/access/campus/katsura.htm]])

*** Lecturer: [#r584b505]
Dr. Mykola Tasinkevych (Max Planck Institut, Germany)

*** Title: [#nd69b4c5]
Nematic colloids: fine structure of  boojums and effective pair interactions between spherical colloidal particles with tangential
anchoring

*** Abstract: [#u1ca5214]
I will present results of theoretical calculations for nematic
configurations around a single and a pair of spherical
colloidal particles. Inducing tangential anchoring on the nematic
director. Effects of temperature, particle size,
and anchoring strength on the structure of the core of a boojum will be discussed. For two particles nematic distortions induce effective interactions. The interactions are analyzed as a function of the anchoring strength.
Finally, I will make a connection with experiments of Lavrentovich on
similar system.