SFB 925 Highlights (2015)1 December 2015|SFB 925 HighlightsUnderstanding superfluidity via laser stirringPhoto: Vijay Singh, Centre for Optical Quantum Technologies, Project C9Superfluids have the surprising property that obstacles can move freely in them without experiencing friction. In contrast, when pulling a stick...1 November 2015|SFB 925 HighlightsCollectively Moving ElectronsPhoto: Stephan Klumpp, Deutsches Elektronen-Synchrotron DESY, Project A3The simultaneous excitation of more than two particles with one photon is a very faint, but possible, process according to the laws of quantum...1 October 2015|SFB 925 HighlightsDirect Observation of Chiral OrderPhoto: Thorge Kock, Institute of Laser Physics, Project C2The effect of quantum degeneracies can yield dramatic consequences in quantum many body systems, since tiny energy scales can decide, which quantum...1 June 2015|SFB 925 HighlightsNonlinear photoionization reveals hidden properties of collective excitationPhoto: Antonia Karamatskou, I. Institute of Theoretical Physics, Project A5Combining photoionization with photoelectron spectroscopy has proven to be a successful tool for the investigation of electron dynamics and many-body...