Prof. Dr. Otfried Gühne

Nonlocality for graph states

Experimental observation of an entire family of four-photon entangled states

Mermin inequalities for perfect correlations

Low energy properties of even-legged d-dimensional quantum spin systems: A variational approach

Quantum computation with trapped ions

Generalized Ardehali-Bell inequalities for graph states

Multiparticle entanglement under the influence of decoherence

Optimal Spin squeezing inequalities detect bound entanglement in Spin models

Experimental entanglement of six photons in graph states

Toolbox for entanglement detection and fidelity estimation

Covariance matrices and the separability problem

Parameter estimation for mixed states from a single copy