- Leandro Aolita, Universidade Federal do Rio de Janeiro, 16 June-10 December 2006.
- Adriano Aragao, Universidade Federal do Rio de Janeiro, 16 June-20 December 2006.
- Thomas Brumme, TU Bergakademie Freiberg, 17 July-15 September 2006.
- Marius Iacomi, Universita di Palermo, November 2002.
- Rafal Demkowicz-Dobrzanski, Polish Academy of Sciences Warsaw,
18-29 August 2003.
-
Ignacio Garcia-Mata , Laboratorio TANDAR, Departamento de Fisica, Comision Nacional de Energia Atomica, Buenos Aires, 13 November 2004-2nd January 2005.
- Alexander Kohler, Universität Konstanz, 4 September-8 October 2004.
- Fabrizio Lillo, Universita di Palermo, June-July 2000.
- Artur Lozinski, Instytut Fizyki imienia Mariana Smoluchowskiego,
Uniwersytet Jagiellonski, Krakow, June and November 2002.
- Malena Osorio Hor-Meyll, Universidade Federal do Rio de Janeiro, 20 June-20 September 2007.
- Stefan Palzer, Universität Freiburg, 18 August-30
September 2003.
- Simeon Sauer, Universität Jena, July 2007.
-
Maximilian Schultz , FU Berlin, 23 July-14 September 2001.
- Waltraut Wustmann, TU Dresden, 25 August-30 September 2003.