P. Ohberg

1. Intrinsic instability of sonic white holes
   2002/11/21 by Ulf Leonhardt, U. Leonhardt, Leonhardt, U. +5 · 1 citation
   Engineering · Physics and Astronomy · #FOS: Physical sciences #Fluid Dynamics and Thin Films #Fluid Dynamics and Turbulent Flows #General Relativity and Quantum Cosmology (gr-qc) #gr-qc
2. Theory of elementary excitations in unstable Bose-Einstein condensates
   2002/11/21 by U. Leonhardt, T. Kiss, Leonhardt, U. +3 · 1 citation
   Physics and Astronomy · #FOS: Physical sciences #Soft Condensed Matter (cond-mat.soft) #cond-mat.soft