Main Page | See live article | Alphabetical index A field which is concerned with what we can and cannot do with quantum information. Subfields include: Quantum computing Quantum computational complexity Quantum cryptography Quantum error correction Quantum communication complexity Quantum teleportation is one well-known quantum information processing operation which reliably transfers an unknown quantum state from one point to another distant point, destroying the original state in the process. Reference: Nielsen, M.A. and Chuang, I.L. Quantum computation and quantum information. Cambridge University Press, 2000. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.