Quantum Properties - RPIQuantumComputing/QuantumCircuits GitHub Wiki

Discretization - Energy is discrete in atoms and molecules. This means that only some values of energy are allowed. These allowed values of energy are also called energy levels. Discretization allows quantum objects to be used for computing. Their energy levels can be used as 0 and 1.

Superposition - Quantum objects can be in a combination of multiple possible states. For example, in an atom, electrons are in a superposition of many possible positions.

Interference - The possible states of quantum objects can add up or cancel out. Ex: noise cancelling headphones, which produce sound waves that cancel out external noise through interference.

Entanglement - Two quantum objects are entangled if the state of one object depends on the state of another. If you know the state of one quantum object, you know the state of the other. Entanglement is unaffected by distance. Entangled quantum particles remain entangled even if they are separated by millions of miles.

Measurement - The results of measurements on quantum objects can be random. Phenomena like superposition, interference, and entanglement and the reason and make it extremely difficult to predict the exact outcome of the measurement. In addition, the state of the quantum object being measured can change as a result of the measurement.