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Quantum information is the study of the informational content of quantum states. The most common object of study is the "qubit", the information in a two-state quantum system such as spin-1/2 or photon polarization.

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To put it simply, a quantum gas (or quantum fluid) is a system made of indistinguishable particles, as opposed to a classical gas where you assume that you can differentiate one component from other ( …
answered May 30 '18 by Mat