Andrii Liashyk (BIMSA, Beijing), Integrable spinning fluid

Tuesday 3 Feb 2026, 11:15 → 12:30 Europe/Stockholm

Albano 3: 6228 - Mega (22 seats) (Albano Building 3)

The one-dimensional Calogero-Moser model is a well-established integrable model describing N interacting particles in both classical and quantum frameworks.

In their seminal paper, Abanov, Bettelheim, and Wiegmann demonstrated that a collective description of this model gives rise to integrable hydrodynamics similar to the Benjamin--Ono system.
These interacting particle systems can also be extended to include integrable spin generalizations, where internal degrees of freedom are assigned to each particle.

In my talk, I discuss the hydrodynamic formulation of the spin Calogero-Moser system, which emerges as an integrable spinning fluid system, and elucidate its connection to the matrix Benjamin-Ono equation recently introduced.