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Nature Nanotechnology 4, 145–146 (1 March 2009) | doi:10.1038/nnano.2009.21
Molecular magnets: Chemistry brings qubits together
Abstract
Two or more quantum objects can be linked together or 'entangled' so that it is no longer possible to describe the objects individually. This entanglement leads to correlations between the observable properties of the system — such as the spins of electrons or the polarizations of photons — that are stronger than any correlations allowed by classical physics, and is important in quantum computation and communication.
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