Potsdam University Potsdam Quantum Optics Group

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Institut für Physik
Karl-Liebknecht-Str. 24/25
14476 Potsdam-Golm
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 Wintersemester 1999/2000
   Quantum Coherence, Correlation and Information

Lectures WS 1999/2000 / Martin Wilkens

Day, time, room:
Wednesday, 15:15-16:45, seminar room 316 (physics building)

We review recent developments in the foundation and application of the quantum theory of entangled systems. Subjects include

  • Schrödinger's Cat Paradox,
  • Einstein-Podolsky-Rosen (EPR) Paradox,
  • Bell's Inequalities,
  • Greenberger-Horne-Zeilinger (GHZ) entangled states,
  • Quantum Cryptography, -Communication, -Computation, and Quantum Games.


  1. Information and communication theory
  2. The qubit
  3. Two qubits:
    • no cloning theorem
    • EPR states
    • Bell inequalities
    • GHZ states
  • Quantum Information Processing:
    • Q cryptography
    • dense coding
    • Q teleportation
    • the Deutsch decision problem
    • Shor's algorithm for efficient factorizing of large numbers
    • Physical implementations, limitations
    • Literature:
      W. T. Grandy Jr., ``Resource Letter on Information Theory in Physics. I.'' Am. J. Phys. 65 (1997) 446;
      A. Steane, ``Quantum Computing,'' Rep. Prog. Phys. 61 (1998) 117-173 [e-print quant-ph/9708022 at xxx.lanl.gov].

      Webmaster@europa.quantum.physik.uni-potsdam.de, 19 july 1999.

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