Zobrazeno 1 - 10
of 160
pro vyhledávání: '"Markham, D. A."'
Autor:
Eisert, J., Hangleiter, D., Walk, N., Roth, I., Markham, D., Parekh, R., Chabaud, U., Kashefi, E.
Publikováno v:
Nature Reviews Physics 2, 382-390 (2020)
Concomitant with the rapid development of quantum technologies, challenging demands arise concerning the certification and characterization of devices. The promises of the field can only be achieved if stringent levels of precision of components can
Externí odkaz:
http://arxiv.org/abs/1910.06343
Autor:
Cavaillès, A., Jeannic, H. Le, Raskop, J., Guccione, G., Markham, D., Diamanti, E., Shaw, M. D., Verma, V. B., Nam, S. W., Laurat, J.
Publikováno v:
Phys. Rev. Lett. 121, 170403 (2018)
Einstein-Podolsky-Rosen steering is known to be a key resource for one-sided device-independent quantum information protocols. Here we demonstrate steering using hybrid entanglement between continuous- and discrete-variable optical qubits. To this en
Externí odkaz:
http://arxiv.org/abs/1811.00036
Autor:
McCutcheon, W., Pappa, A., Bell, B. A., McMillan, A., Chailloux, A., Lawson, T., Mafu, M., Markham, D., Diamanti, E., Kerenidis, I., Rarity, J. G., Tame, M. S.
Publikováno v:
Nature Communications 7, 13251 (2016)
Multipartite entangled states are a fundamental resource for a wide range of quantum information processing tasks. In particular, in quantum networks it is essential for the parties involved to be able to verify if entanglement is present before they
Externí odkaz:
http://arxiv.org/abs/1611.04772
Autor:
Douce, T., Markham, D., Kashefi, E., Diamanti, E., Coudreau, T., Milman, P., van Loock, P., Ferrini, G.
Publikováno v:
Phys. Rev. Lett. 118, 070503 (2017)
Instantaneous quantum computing is a sub-universal quantum complexity class, whose circuits have proven to be hard to simulate classically in the Discrete-Variable (DV) realm. We extend this proof to the Continuous-Variable (CV) domain by using squee
Externí odkaz:
http://arxiv.org/abs/1607.07605
Autor:
Bell, B. A., Markham, D., Herrera-Martí, D. A., Marin, A., Wadsworth, W. J., Rarity, J. G., Tame, M. S.
Publikováno v:
Nature Communications 5, 5480 (2014)
Distributed quantum communication and quantum computing offer many new opportunities for quantum information processing. Here networks based on highly nonlocal quantum resources with complex entanglement structures have been proposed for distributing
Externí odkaz:
http://arxiv.org/abs/1411.5827
Publikováno v:
Phys. Rev. A 91, 022101 (2015)
The observation of the non-local properties of multipartite entangled states is of great importance for quantum information protocols. Such properties, however, are fragile and may not be observed in the presence of decoherence exhibited by practical
Externí odkaz:
http://arxiv.org/abs/1411.4489
Publikováno v:
Nature Communications 5, 3658 (2014)
Scalable quantum computing and communication requires the protection of quantum information from the detrimental effects of decoherence and noise. Previous work tackling this problem has relied on the original circuit model for quantum computing. How
Externí odkaz:
http://arxiv.org/abs/1404.5498
Publikováno v:
Phys. Rev. A 77, 042111 (2008)
We analyse the problem of finding sets of quantum states that can be deterministically discriminated. From a geometric point of view this problem is equivalent to that of embedding a simplex of points whose distances are maximal with respect to the B
Externí odkaz:
http://arxiv.org/abs/0711.4286
Publikováno v:
Phys. Rev. A 77, 012104 (2008)
We study various distance-like entanglement measures of multipartite states under certain symmetries. Using group averaging techniques we provide conditions under which the relative entropy of entanglement, the geometric measure of entanglement and t
Externí odkaz:
http://arxiv.org/abs/0710.1056
Publikováno v:
Phys. Rev. Lett. 96 (2006),040501
We show that entanglement guarantees difficulty in the discrimination of orthogonal multipartite states locally. The number of pure states that can be discriminated by local operations and classical communication is bounded by the total dimension ove
Externí odkaz:
http://arxiv.org/abs/quant-ph/0506170