Quantum Optics and Information Laboratory. If a quantum system were perfectly isolated, it would maintain coherence perfectly, but it would be impossible to test the entire system. a {\displaystyle 0 Learn about our mission, values and commitments. a Learn about the wide range of support services available for international students. In a group project at the end of the minor you will work on applications in quantum technology, concerning software or hardware. At this point, quantum computers showed promise of being much faster than classical computers for certain specific problems. {\displaystyle H_{r}(A)={1 \over 1-r}log_{2}\sum _{i=1}^{n}P^{r}(a_{i})}, for If it is not perfectly isolated, for example during a measurement, coherence is shared with the environment and appears to be lost with time; this process is called quantum decoherence. Another way of thinking about it is by looking at the uncertainty of a system prior to measurement. There is a worldwide research effort exploring the consequences of quantum mechanics for information and computation. . r {\displaystyle P(a_{1}),P(a_{2}),...,P(a_{n})} 2 1 ( , it is given by Simply register or update your details. The same is true if they both measure any other pair of complementary (orthogonal) polarizations. Take your career to the next level, or in a new direction. . Classical computers encode information in bits which are usually represented by their logic symbols ‘0’ and ‘1’. i a i g   i . P 1: Quantum Behavior", https://ieeexplore.ieee.org/document/4066943, https://core.ac.uk/download/pdf/85241401.pdf, http://www.mathnet.ru/php/archive.phtml?wshow=paper&jrnid=ppi&paperid=903&option_lang=eng, http://www.mathnet.ru/php/archive.phtml?wshow=paper&jrnid=ppi&paperid=1507&option_lang=eng, "Quantum cryptography: Public key distribution and coin tossing", "Quantum theory, the Church–Turing principle and the universal quantum computer", https://ieeexplore.ieee.org/document/658762, https://ieeexplore.ieee.org/document/6773067, "The mathematical theory of communication", "Quantum Information Theory: Mathematical Foundation", "Quantum cryptography using any two nonorthogonal states", Gregg Jaeger's book on Quantum Information, Lectures at the Institut Henri Poincaré (slides and videos), "Quantum Computation and Quantum Information", "Introduction to Quantum Information Science", Three-stage quantum cryptography protocol, Entanglement-Assisted Quantum Error Correction, https://en.wikipedia.org/w/index.php?title=Quantum_information&oldid=990548855, Articles lacking in-text citations from November 2011, Creative Commons Attribution-ShareAlike License.

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