Oral presentation

Session Information

Location: Science and Cultural Center - FORTH
Day: 3. Friday 18th
Time: 11:30-11:50
Chairperson: to be announced…

Presentation Details

Presentation Type: Oral presentation
Title: A new topological glance at Anderson's phase slippage mechanism
Abstract: I shall present combined experimental and theoretical investigations of the formation and decay kinetics of quantum vortices in a two-dimensional superfluid. I will discuss the relevance of the concept of point vortex in describing superfluid dynamics. Fundamental topological conservation laws require that the formation and annihilation of vortices also involve critical points of the velocity field, namely nodes and saddles. Identifying the simplest bifurcations underlying these processes recently enabled a direct experimental visualisation of Anderson phase slip events. I will present an effective kinetic model that aligns with experimental observations in the turbulent regime, and predicts new dynamical features of the BKT transition.

Presenter

Mr Nicolas Pavloff
Paris-Saclay University | France

Authors

1. Pavloff, Nicolas | LPTMS, Paris-Saclay University, France