Most recent
| Title | Author(s) | Info |
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quantalk.org/09-08-003
Can quantum mechanics help distributed computing?
We present a brief survey of results where quantum information processing is useful to solve distributed computation tasks. We describe problems that are impossible to solve using classical resources ...  Discussion started by: Simon Benjamin
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Anne Broadbent, Alain Tapp |
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4 last post 15:23 24/11/09 recent posts |
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In this paper we derive the Cerf-Adami inequalities from purely thermodynamic considerations without reference to Markov chains and demonstrate that they can be interpreted as a corollary of the secon... Discussion started by: (anonymous)
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Ian T. Durham |
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10 last post 17:51 16/08/08 recent posts |
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Some MIT researchers [Phys. Rev. A 75, 042327 (2007)] have recently claimed that their implementation of the Slutsky-Brandt attack [Phys. Rev. A 57, 2383 (1998); Phys. Rev. A 71, 042312 (2005)] to the... Discussion started by: Julia Petschinka
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I.M. Herbauts, S. Bettelli, H. Huebel, M. Peev |
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1 last post 10:23 19/03/08 recent posts |
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We study the symmetric-side-channel-assisted private capacity of a quantum channel, for which we provide a single-letter formula. This capacity is additive, convex, and, for degradable channels, equal... Discussion started by: (anonymous)
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Graeme Smith |
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1 last post 05:39 13/02/08 recent posts |
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We consider the problem of discriminating two different quantum states in the setting of asymptotically many copies, and determine the optimal strategy that minimizes the total probability of error. T... Discussion started by: Damian Abasto
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K. M. R. Audenaert, J. Calsamiglia, Ll. Masanes, R. Munoz-Tapia...
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1 last post 17:51 30/01/08 recent posts |
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In this paper, we consider the problem of Mutually Unbiased Bases in prime dimension d. It is known to provide exactly d+1 mutually unbiased bases. We revisit this problem using a class of circulant d... Discussion started by: Michel Planat
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M. Combescure |
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1 last post 10:57 26/01/08 recent posts |
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The manifold of coupling constants parametrizing a quantum Hamiltonian is equipped with a natural Riemannian metric with an operational distinguishability content. We argue that the singularities of t... Discussion started by: (anonymous)
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Paolo Zanardi, Paolo Giorda, Marco Cozzini |
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1 last post 13:58 18/01/08 recent posts |
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Determining the ultimate classical information carrying capacity of electromagnetic waves requires quantum-mechanical analysis to properly account for the bosonic nature of these waves. Recent work ha... Discussion started by: Mark Wilde
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Saikat Guha, Jeffrey H. Shapiro, Baris E. Erkmen |
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1 last post 01:36 15/01/08 recent posts |