|Thursday 28 September 2023|
|Events for day: Wednesday 28 June 2023|
| 11:00 - 12:00 Wednesday Weekly Seminar - meeting |
Wild Phenomenology in Confining Dark Sectors
PARTICLES AND ACCELERATORS
Confining dark sectors are among well-motivated models of dark matter. In this talk, I will point out a few intriguing dynamics in such sectors with drastic effects on their phenomenology. In particular, I will point out how a first order confinement phase transition affects dark matter relic abundance and opens up hitherto unexplored parameter space. I will also briefly advertise an on-going work on signals of such confining dark sectors in direct detection experiments.
Seminar Room, School of Par ...
14:00 - 15:00 Weekly Seminar
Crucial differences between active nematic material in two and three dimensions
Theories of active nematic materials have been successful in describing the behavior of living systems in two dimensions. This includes collective migration, creation and self-propulsion of defects, and flow transitions in the presence of confining walls.
The major focus to date has been on the behavior of active material in two dimensions. However, recent experiments have made it possible to study the dynamics of living cells and bacterial colonies in three dimensions. In this talk, I will discuss some of the crucial differences between active nematic materials in two and three dimensions.
I will start with an introduct ...
15:30 - 17:00 Geometry and Topology Weekly Seminar
Harmonic Maps in the Singular Setting
In this talk, I will start with some basic facts on harmonic maps in the smooth setting. I will then touch upon various definitions of harmonic maps with singular targets or domains or both and will discuss some recent and new results in this direction.
You can find a short scientific biography of the speaker here:
Venue: Niavaran, Lecture Hall 1 ...