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pro vyhledávání: '"Pope, D. P."'
Akademický článek
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Autor:
Wheatley, T. A., Berry, D. W., Yonezawa, H., Nakane, D., Arao, H., Pope, D. T., Ralph, T. C., Wiseman, H. M., Furusawa, A., Huntington, E. H.
Publikováno v:
Phys Rev Lett, 104, 093601, 2010
Quantum parameter estimation has many applications, from gravitational wave detection to quantum key distribution. We present the first experimental demonstration of the time-symmetric technique of quantum smoothing. We consider both adaptive and non
Externí odkaz:
http://arxiv.org/abs/0912.1162
Akademický článek
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Publikováno v:
Phys. Rev. A 74, 062313 (2006)
This paper concentrates on a particular example of a constraint imposed by superselection rules (SSRs): that which applies when the parties (Alice and Bob) cannot distinguish among certain quantum objects they have. This arises naturally in the conte
Externí odkaz:
http://arxiv.org/abs/quant-ph/0608056
Publikováno v:
Phys. Rev. A 72, 022330 (2005)
We consider the scenario where a company C manufactures in bulk pure entangled pairs of particles, each pair intended for a distinct pair of distant customers. Unfortunately, its delivery service is inept - the probability that any given customer pai
Externí odkaz:
http://arxiv.org/abs/quant-ph/0504112
We consider the task of estimating the randomly fluctuating phase of a continuous-wave beam of light. Using the theory of quantum parameter estimation, we show that this can be done more accurately when feedback is used (adaptive phase estimation) th
Externí odkaz:
http://arxiv.org/abs/quant-ph/0405066
Autor:
Pope, D. T., Milburn, G. J.
Publikováno v:
Phys. Rev. A 69, 052102 (2004)
Following on from previous work [J. A. Larsson, Phys. Rev. A 67, 022108 (2003)], Bell inequalities based on correlations between binary digits are considered for a particular entangled state involving 2N trapped ions. These inequalities involve apply
Externí odkaz:
http://arxiv.org/abs/quant-ph/0403091
Publikováno v:
J. Opt. B: Quantum Semiclass. Opt. 6, s506 (2004)
A which-way measurement destroys the twin-slit interference pattern. Bohr argued that distinguishing between two slits a distance s apart gives the particle a random momentum transfer \wp of order h/s. This was accepted for more than 60 years, until
Externí odkaz:
http://arxiv.org/abs/quant-ph/0310081
Autor:
Pope, D. T., Milburn, G. J.
Publikováno v:
Phys. Rev. A 67, 052107 (2003)
We investigate multipartite entanglement in relation to the theoretical process of quantum state exchange. In particular, we consider such entanglement for a certain pure state involving two groups of N trapped atoms. The state, which can be produced
Externí odkaz:
http://arxiv.org/abs/quant-ph/0208098
Autor:
Clifton, Rob, Pope, D. T.
Publikováno v:
Phys. Lett. A, 292 (2001) 1
By exhibiting a violation of a novel form of the Bell-CHSH inequality, Zukowski has recently established that the quantum correlations exploited in the standard perfect teleportation protocol cannot be recovered by any local hidden variables model. A
Externí odkaz:
http://arxiv.org/abs/quant-ph/0103075