Former and actual PhD students:

Benjamin Ricaud (thesis defended in 2007), Troels Ronnøw (thesis defended in 2011), Mikkel Haggren Brynildsen (thesis defended in 2014), Jonas Have (thesis defended in 2018),
Benjamin Buus Støttrup (thesis defended in 2022) and Kasper Studsgaard Sørensen (thesis defended in 2022)

Here is a short list of collaborators doing the same type of research in quantum mechanics:

Pierre Duclos (1948-2010), Jean-Marie Barbaroux , Claude-Alain Pillet (France),

Ira Herbst (USA),

Stefan Teufel (Germany),

Giovanna Marcelli, Massimo Moscolari, Domenico Monaco , Gianluca Panati (Italy),

Thomas Garm Pedersen, Erik Skibsted (Denmark),

Gheorghe Nenciu, Radu Purice, Valeriu Moldoveanu (Romania).

At last, but not least, three friends working on inverse problems:

Kim Knudsen, Henrik Garde (Denmark), and Samuli Siltanen (Finland).