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Description of  Many-Particle Entanglement, Einstein-Podolsky-Rosen Steering and Bell Correlations in Bose-Einstein Condensates (Quantum Science and Technology)

This book presents theoretical methods and experimental results on the study of multipartite quantum correlations in spin-squeezed BoseEinstein condensates. Nonclassical correlations in many-body systems are particularly interesting for both fundamental research and practical applications. For their investigation, ultracold atomic ensembles offer an ideal platform, due to their high controllability and long coherence times. In particular, we introduce criteria for detecting and characterizing multipartite entanglement, EinsteinPodolskyRosen steering, and Bell correlations. Moreover, we present the experimental observation of such correlations in systems of about 600 atoms.