"This is a highly exaggerated example, but on quantum scales, that's basically what is happening. Now lets build a circuit that simulates engtanglement. This simple circuit is called Bell State. This is the\"Hello World\"of quantum computing." ...
First we show that for a qubit coupled to one oscillator, Landau-Zener transitions can be used for single-photon generation and for the controllable creation of qubit-oscillator entanglement, with state-of-the-art circuit QED as a promising realization. Second, for a qubit coupled to two ...
In 1924, Bell Labs physicistWalter A. Shewhartproposed the control chart as a method to determine when a process was in a state of statistical control. Shewhart's methods were the basis for statistical process control (SPC): the use of statistically based tools and techniques to manage and im...
Self-testing statements are the most accurate form of certifications for quantum systems. Self-testing schemes allow us to infer the underlying physics of a quantum experiment, i.e., the state and the measurements (up to local isometry), without any characterization of the internal workings of t...
In particular, the quantum prover holds a qubit whose state depends on the cryptographic secret in the same way that the state of one CHSH player’s qubit depends on the secret measurement basis of the other player. An alternative interpretation, from the perspective of Bell’s theorem, is ...
State preservation by repetitive error detection in a superconducting quantum circuit Quantum computing becomes viable when a quantum state can be protected from environment-induced error. If quantum bits (qubits) are sufficiently reliable, ... J,Kelly,R,Barends,A G,Fowler,... - 《Nature》 被引...
Based on the Bell theorem, it has been believed that a theoretical computation of the Bell correlation requires explicit use of an entangled state. Such a physical superposition of light waves occurs in the downconverter light sources used in Bell experiments. However, a physical separation of the...
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We next propose an experimental scheme to generate a high-dimensional position-entangled two-photon state aided by a combination of a multiple-slit and a 4 f system, and describe a method to test Bell’s inequality using correlated diffraction. Finally, we discuss in detail consequences of such...
‘Bell’s inequality in time’, which should be violated by a quantum TLS. Our TLS is a superconducting quantum circuit in which Rabi oscillations are continuously driven while it is continuously and weakly measured. The time correlations present at the detector output agree with quantum-...