[PDF] Top 20 Quantum information theory: classical communication over quantum channels

... In summary, if the unique average output ensemble state is a product state, and in addition if one or more of the optimal output signalling states in any optimal output ensemble is a pro[r] ... See full document

... thread, quantum entanglement [1] runs through the foundations and breakthrough applications of quantum information ...and classical communication (LOCC) and therefore represents a more ... See full document

... of communication theory, these results identify three basic and inequivalent resources: noiseless classical channels, noiseless quantum channels and maximally entangled ...of ... See full document

... Quantum channels, mathematically described by com- pletely positive, trace-preserving maps, play an impor- tant role in quantum information theory because they are the most general ... See full document

... of quantum information theory is to try to determine the channel capacity of noisy quantum ...Bob information over many uses of a noisy quantum communication ... See full document

... Logical information theory is the quantitative version of the logic of partitions just as logical probability theory is the quantitative version of the dual Boolean logic of ...of information ... See full document

... DOI: 10.4236/jqis.2018.82005 68 Journal of Quantum Information Science Figure 5. Example of a perfect gate signal (in blue), its QSA-FIT (in green), and its |FFT| (in red). One and a half cycle of a perfect ... See full document

... approximate quantum state sharing (AQSS) scheme in which participants use two parallel approximate private quantum channels ...famous quantum secret sharing protocols [9] [10] in broad ... See full document

... of quantum information and computation [1– 5] is one of the fastest growing ...how quantum information is transmitted is necessary not only for the development of a future quantum ... See full document

... of information about something and could be therefore also considered a kind of information ...the classical theory of communication has produced two misunderstandings (or two ... See full document

... of the signal states. Bob’s problem is to decide upon an optimal detection strategy. His choice of strategy will depend on the way in which the information he receives is to be used. In mathematical terms, Bob ... See full document

... dominantly classical, while the microscopic rates governing particle motion are of quantum-mechanical ...the classical limit of the Keldysh quantum nonequilibrium field theory, the ... See full document

... In quantum optics, the Heisenberg picture, where optical fields are treated as conjugate positions and mo- menta of quantized harmonic oscillators, is often preferred, as it is easy to substitute the optical ... See full document

... about Quantum Information Theory continue actively in many research ...on quantum systems compared to classical ...scale quantum computers are widely studied e.g. quantum ... See full document

... compare classical and quantum communication in the setting of two physical encoding methods using bosonic ...The classical case is where Alice creates two correlated bits and transfers one to ... See full document

... the quantum?” via quantum information theory according to Bub, one must explain both why the world is quantum rather than classical and why the world is quantum rather ... See full document

...    percent is in astonishing agreement with cosmological measurements which put the hypo- thetical dark energy including dark matter at   1 1 22        100  95.5 percent of the total theoretical value. In ... See full document

... decoherence theory goes fur- ther than most sources toward recovering both the kinematical and dynamical fea- tures of classicality in a unified ...the quantum state, it does not by itself explain why only ... See full document

... in quantum mechanics is very different from that in classical physics, and there are some points of view that are contrary to intuition and ...reality, quantum mechan- ics believes the behavior of ... See full document

... significant quantum correlations may be encoded in “ soft ” degrees of freedom, associated with vanishing energy in a particle description and a diffeomorphism in a geometric description, but nevertheless carrying ... See full document