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What is Phase in Quantum Computing?

Probability amplitudes and phase As mentioned in What is Quantum Interference?, until the system is measured, each state in the superposition of a quantum system has an associated probability amplitude. In the case of electron Read more…

What is Quantum Interference?

If quantum particles sometimes behave as waves (see the double slit experiment for more details) it’s fair to expect wave-like phenomena play a role in quantum physics and, hence, in quantum computing. (Quantum) Interference is Read more…

What is Quantum Superposition?

With Entanglement, Quantum Superposition is one of the cornerstones of quantum computing. It forms the basis of all quantum algorithms and is the main reason quantum computers can outperform classical computers on certain problems. In Read more…