Quantum correlations Bell's theorem 1 Bells 1 Causal inferences 1 Causal modeling 1 Causal network 1 Cavity QED 1 Cavity Quantum Electrodynamics 1 Cavity-qed 1 Computation theory 1 Computational tools 1 Electrodynamics 1 Emission spectroscopy 1 Emission spectrums 1 Entanglement gap 1 Entanglement swapping 1 Extended Hubbard model 1 Gage invariance 1 Gages 1 Gauge invariance 1 Ground state 1 Ground state properties 1 Half-filling 1 Hubbard model 1 Key models 1 Master equations 1 Nonclassicality 1 Observable variables 1 One-dimensional 1 Open systems 1