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Quantum teleportation is the transfer of quantum states from one location to another without these states having to physically travel from one location to another. Quantum teleportation of information is achieved using entanglement, since a pair of entangled qubits can be shared between two separate locations. Entanglement on its own is not teleportation. To complete the teleport, the information to be ‘transmitted’ is entangled with one half of the entangled pair, yielding a second qubit. Two qubits are sent to the other location such that the other half of the qubit pair along with the transmitted qubit allow for the recovery of the information, i.e., teleporting the information without it being physically sent.

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