Condensed Matter Physics Seminar
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2016-12-02 (Friday)
room 1.02, Pasteura 5 at 12:15 
Piotr Nowakowski (Max Planck, Stuttgart)Critical Casimir forces between defects in the 2D Ising model
An exact solution for critical Casimir interaction between two defects ofa certain type in the two-dimensional Ising model will be presented. Closeto the critical point a scaling formula can be derived and the force stilldepends on some microscopic properties of the defects. The results will becompared with properties of the critical Casimir force in a slab geometry.
2016-11-25 (Friday)
room 1.02, Pasteura 5 at 12:15
Maxym Dudka (National Academy of Sciences of Ukraine, Lviv)Criticality of structurally disordered magnets within field-theoretical renormalization group
Usually natural materials do not possess ideal regular structure.Therefore it is important to study influence of structural disorder on thethermodynamical properties of physical systems. We are interested in aquestion: if the adding weak quenched structural disorder will change thecritical properties of three-dimensional magnets. For this purpose three-dimensional spin models with different type of randomness are considered.Their asymptopic and effective (non-asymptotic) critical characteristicsare calculated mainly by field-theoretical renormalization group approach.Obtained results demonstrate rich critical properties in the the non-asymptotic regime.
2016-10-28 (Friday)
room 1.02, Pasteura 5 at 12:15
Paweł Jakubczyk (IFT WF UW)Functional renormalization group perspective on the Berezinskii-Kosterlitz-Thouless transition
2016-10-21 (Friday)
room 1.02, Pasteura 5 at 12:15
Katarzyna Roszak (Politechnika Wrocławska)Generacja splątania kubitu z otoczeniem podczas procesów prowadzących do czystej dekoherecji fazowej
2016-10-14 (Friday)
room 1.02, Pasteura 5 at 12:15
Assa Auerbach (Technion, Hajfa)