Technology: general issues 98 Quantum optics 95 Quantum theory 90 Research & information: general 81 Physics 71 Nuclear physics 59 article 52 Quantum entanglement 48 Quantum chemistry 40 Qubits 40 Semiconductor quantum dots 38 Quantum computers 34 TK Electrical engineering. Electronics Nuclear engineering 34 History of engineering and technology 33 Chemistry 32 Photons 32 Nanocrystals 31 Particle and high-energy physics 28 Quantum physics (quantum mechanics and quantum field theory) 28 Ground state 26 Topology 25 Performance 24 Hamiltonians 23 human 23 QC Physics 22 Research and information: general 22 Quantum Computing 20 Quantum communication 20 chemistry 20 Article 18