Condensed Matter/Biological Physics Seminar: Prof. Alfredo Alexander-Katz, Massachusetts Institute of Technology  Add To Calendar

  • Date(s): Thursday, 11/17 2:00 PM to Thursday, 11/17 3:00 PM
  • Speaker: Prof. Alfredo Alexander-Katz
  • Host: Ursula Perez-Salas
  • Campus Address: 2214 SES (Science and Engineering South)

Title: Active Matter

Abstract: Life as we know it takes energy from the environment to drive out-of-equilbrium processes to maintain vital functions such as replication, transport, and locomotion, to name a few. In this talk I will introduce the colloidal active system that we have engineered and show how such a system can in fact deliver insights into complex natural behavior. In particular, I will show two different systems that are related to by the mode of activity, but that correspond to different coupling regimes. In the first part I will present our work on tribotactic walkers that are able to achieve chemotaxis by coupling friction and binding. This pertains to the single active particle regime. In the second part, however, I will expand onto the emergent long range interactions between such active particles in crowded environment due to the activity of the particle only. To finalize I will present an outlook in the area of out-of-equilbriium crystals and their properties. 

Cm-Bio 11-17 Alexander-Katz