Quantum systems consisting of many particles can enter highly intricate states with strong so-called multiparticle entanglement. A new-found theoretical relation now allows extracting it with standard tools available in scattering experiments. Credit: IQOQI/Ritsch
New Protocol to detect Entanglement of Many-Particle Quantum states has been developed. These systems could help us not only to improve our understanding of matter but to develop measurement techniques beyond current existing technologies. Entanglement is a consequence of the probabilistic rules of quantum mechanics and seems to permit a peculiar instantaneous connection between particles over long distances that defies the laws of our macroscopic world – a phenomenon that Einstein referred to as “spooky action at a distance.”
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