12 Facts About Quantum information

Quantum information is the information of the state of a quantum system.

Quantum information refers to both the technical definition in terms of Von Neumann entropy and the general computational term.

Quantum information mechanics was formulated by Schrodinger using wave mechanics and Heisenberg using matrix mechanics.

Quantum information showed that error correcting codes could be used to protect information being sent.

Quantum information theory followed a similar trajectory, Ben Schumacher in 1995 made an analogue to Shannon's noiseless coding theorem using the qubit.

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Classical information is measured using Shannon entropy, while the quantum mechanical analogue is Von Neumann entropy.

Quantum information mechanics is the study of how microscopic physical systems change dynamically in nature.

Regardless of the physical implementation, the limits and features of qubits implied by quantum information theory hold as all these systems are mathematically described by the same apparatus of density matrices over the complex numbers.

Classical Quantum information is based on the concepts of Quantum information laid out by Claude Shannon.

Shannon entropy is the quantification of the Quantum information gained by measuring the value of a random variable.

Quantum information theory is largely an extension of classical information theory to quantum systems.

Classical information is produced when measurements of quantum systems are made.