Quantum information science

Quantum information science

Quantum information science concerns information science that depends on quantum effects in physics. It includes theoretical issues in computational models as well as more experimental topics in quantum physics including what can and cannot be done with quantum information. The term quantum information theory is sometimes used, but it fails to encompass experimental research in the area.

Subfields include:
* Quantum computing, which deals on the one hand with the question how and whether one can build a quantum computer and on the other hand, searching algorithms that harness its power (see quantum algorithm)
* Quantum computational complexity
* Quantum cryptography and its generalization, quantum communication
* Quantum error correction
* Quantum communication complexity
* Quantum entanglement, as seen from an information-theoretic point of view

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.


* Nielsen, M.A. and Chuang, I.L. "Quantum computation and quantum information". Cambridge University Press, 2000.

External links

* [http://www.quantiki.org Quantiki] – quantum information science portal and wiki.
* [http://www.physicscommunity.org/index.php?title=Quantum_Information_Science_Gateway Quantum Information Science Gateway] from The Physics Community
* [http://qist.ect.it ERA-Pilot QIST WP1] European roadmap on Quantum Information Processing and Communication
* [http://www.imperial.ac.uk/quantuminformation QIIC] – Quantum Information, Imperial College London.
* [http://www.qi.leeds.ac.uk/ QIP] – Quantum Information Group, University of Leeds. The quantum information group at the University of Leeds is engaged in researching a wide spectrum of aspects of quantum information. This ranges from algorithms, quantum computation, to physical implementations of information processing and fundamental issues in quantum mechanics. Also contains some basic tutorials for the lay audience.
* [http://cqist.usc.edu/ CQIST] Center for Quantum Information Science & Technology at the University of Southern California

Wikimedia Foundation. 2010.

Нужно решить контрольную?

Look at other dictionaries:

  • Quantum information — For the journal with this title, see Historical Social Research. In quantum mechanics, quantum information is physical information that is held in the state of a quantum system. The most popular unit of quantum information is the qubit, a two… …   Wikipedia

  • Michael Nielsen (quantum information theorist) — Michael A. Nielsen (born January 4 1974) is a writer living just outside Toronto, Canada. Before, he was an academic in physics. He worked at the Los Alamos National Laboratory, as the Richard Chace Tolman Prize Fellow at Caltech, was Foundation… …   Wikipedia

  • Quantum entanglement — Quantum mechanics Uncertainty principle …   Wikipedia

  • Quantum optics — is a field of research in physics, dealing with the application of quantum mechanics to phenomena involving light and its interactions with matter. History of quantum optics Light is made up of particles called photons and hence inherently is… …   Wikipedia

  • Quantum decoherence — Quantum mechanics Uncertainty principle …   Wikipedia

  • Quantum cryptography — Quantum cryptography, or quantum key distribution (QKD), uses quantum mechanics to guarantee secure communication. It enables two parties to produce a shared random bit string known only to them, which can be used as a key to encrypt and decrypt… …   Wikipedia

  • Quantum mechanics — For a generally accessible and less technical introduction to the topic, see Introduction to quantum mechanics. Quantum mechanics …   Wikipedia

  • Quantum computer — A quantum computer is a device for computation that makes direct use of distinctively quantum mechanical phenomena, such as superposition and entanglement, to perform operations on data. In a classical (or conventional) computer, information is… …   Wikipedia

  • Information theory — Not to be confused with Information science. Information theory is a branch of applied mathematics and electrical engineering involving the quantification of information. Information theory was developed by Claude E. Shannon to find fundamental… …   Wikipedia

  • Quantum teleportation — Quantum teleportation, or entanglement assisted teleportation, is a technique used to transfer information on a quantum level, usually from one particle (or series of particles) to another particle (or series of particles) in another location via …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”