The researchers of the Department have participated in joint physical researches at different universities and laboratories: * University of Massachusetts (Amherst, USA)
* Janis Research Company 
* Royal Holloway University of London (Great Britain) * Case Western Reserve University, Cleavelend (USA) * Leiden University (the Netherlands)
* Physical Institute of Bayreuth University (Germany) * University of California, San Diego (USA)
* University of Florida, Gainesville (USA) * University of Tokyo (Japan)
* University of Konstanz (Germany)
* Eindhoven University of Technology (the Netherlands)
* Kyushu University, Fukuoka (Japan)
* University of Delaware, Newark (USA)
* Tohoku University, Sendai (Japan)
* University of Antwerp (Belgium)
* Federal University of Sao Carlos (Brazil)
* The Physikalisch-Technische Bundesanstalt (PTB), Berlin (Germany) 
* Shafarik University, Koshice (Slovakia)
| 
