Pressure and Size Dependence of Roton Emission and Vortex Creation by Moving Objects in He~II in $T\to 0$ Limit: Generalized Nonlocal Gross-Pitaevskii Model

Nicolás Pablo Müller, Ladislav Skrbek, Yuri A. Sergeev +1

In the framework of generalized, nonlocal Gross-Pitaevskii (GP) model, we study numerically the pressure- and size-dependent mechanisms of roton emission and vortex nucleation by o…