Interfaced and confined Active Nematics

Sala 3.2.13, Ciências ULisboa

Por Francesc Sagués (Department of Materials Science and Physical Chemistry, Universitat de Barcelona, Spain).

Active Nematics (ANs), made of micrtotubules and kinesin motors  are an exquisite example of active colloidal matter at the crossroads of Physics and Biology. In the seminar I will consider three different aspects: (i) In the first part I will address its most characteristic turbulent state in terms of the spectrum of kinetic energy, and describe a way to regularize such chaotically flowing regime. (ii) In the second part, I will comment on particular aspects of confined ANs, and introduce the concept of an active boundary layer. (iiI) Finally, I will end the presentation with the most recent variants of the system we are working with that permit to expand the range of potentialities of the system.

CFTC - Centro de Física Teórica e Computacional