Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Kieling, K."'
Publikováno v:
Phys. Rev. Lett. 106, 010403 (2011)
We establish a method of directly measuring and estimating non-classicality - operationally defined in terms of the distinguishability of a given state from one with a positive Wigner function. It allows to certify non-classicality, based on possibly
Externí odkaz:
http://arxiv.org/abs/1005.1665
Publikováno v:
Phys. Rev. A 82, 042336 (2010)
We discuss the potential and limitations of Gaussian cluster states for measurement-based quantum computing. Using a framework of Gaussian projected entangled pair states (GPEPS), we show that no matter what Gaussian local measurements are performed
Externí odkaz:
http://arxiv.org/abs/1004.0081
Publikováno v:
New J. Phys. 12, 013003 (2010)
As primitives for entanglement generation, controlled phase gates take a central role in quantum computing. Especially in ideas realizing instances of quantum computation in linear optical gate arrays a closer look can be rewarding. In such architect
Externí odkaz:
http://arxiv.org/abs/0909.2057
Autor:
Kieling, K., Eisert, J.
Publikováno v:
Quantum and Semi-classical Percolation and Breakdown in Disordered Solids, pages 287-319 (Springer, Berlin, 2009)
This article is a draft of a book chapter of the book entitled "Quantum Percolation and Breakdown", to appear 2008.
Comment: Invited book chapter, "Quantum Percolation and Breakdown", Lecture Notes in Physics (Springer, Heidelberg, 2008). Also c
Comment: Invited book chapter, "Quantum Percolation and Breakdown", Lecture Notes in Physics (Springer, Heidelberg, 2008). Also c
Externí odkaz:
http://arxiv.org/abs/0712.1836
Publikováno v:
New J. Phys. 9, 200 (2007)
Several physical architectures allow for measurement-based quantum computing using sequential preparation of cluster states by means of probabilistic quantum gates. In such an approach, the order in which partial resources are combined to form the fi
Externí odkaz:
http://arxiv.org/abs/quant-ph/0703045
Publikováno v:
Phys. Rev. A 76, 063808 (2007)
We introduce schemes for linear-optical quantum state generation. A quantum state generator is a device that prepares a desired quantum state using product inputs from photon sources, linear-optical networks, and postselection using photon counters.
Externí odkaz:
http://arxiv.org/abs/quant-ph/0612154
Publikováno v:
Phys. Rev. Lett. 99, 130501 (2007)
We apply a notion of static renormalization to the preparation of entangled states for quantum computing, exploiting ideas from percolation theory. Such a strategy yields a novel way to cope with the randomness of non-deterministic quantum gates. Thi
Externí odkaz:
http://arxiv.org/abs/quant-ph/0611140
Publikováno v:
Phys. Rev. A 74, 042343 (2006)
We establish bounds to the necessary resource consumption when building up cluster states for one-way computing using probabilistic gates. Emphasis is put on state preparation with linear optical gates, as the probabilistic character is unavoidable h
Externí odkaz:
http://arxiv.org/abs/quant-ph/0605014
Publikováno v:
J. Opt. Soc. Am. B 24(2), 184 (2007).
We address the question of how many maximally entangled photon pairs are needed in order to build up cluster states for quantum computing using the toolbox of linear optics. As the needed gates in dual-rail encoding are necessarily probabilistic with
Externí odkaz:
http://arxiv.org/abs/quant-ph/0601190
Akademický článek
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