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Experimental characterization of continuous-variable entanglement (17 pages)

Warwick P. Bowen, Roman Schnabel

Physical Review AJan 1, 20042 citations

A variational master equation approach to quantum dot Rabi rotations

Dara P. S. McCutcheon, Nikesh S. Dattani, Erik M. Gauger +2 more

Dara P. S. McCutcheon, 2, ∗ Nikesh S. Dattani, Erik M. Gauger, Brendon W. Lovett, 3 and Ahsan Nazir 1, † Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK London Centre for Nanotechnology, University College London Department of Materials, Oxford University, Oxford OX1 3PH, UK School of Engineering and Physical Sciences, Heriot Watt University, Edinburgh EH14 4AS, UK Blackett Laboratory, Imperial College London, London SW7 2AZ, UK (Dated: May 31, 2011)Dara P. S. McCutcheon, 2, ∗ Nikesh S. Dattani, Erik M. Gauger, Brendon W. Lovett, 3 and Ahsan Nazir 1, † Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, UK London Centre for Nanotechnology, University College London Department of Materials, Oxford University, Oxford OX1 3PH, UK School of Engineering and Physical Sciences, Heriot Watt University, Edinburgh EH14 4AS, UK Blackett Laboratory, Imperial College London, London SW7 2AZ, UK (Dated: May 31, 2011)

May 30, 20110 citations

Dependence of Continuous Variable Entanglement Enhancement on Experimental Parameters

贾晓军 Jia Xiaojun, 段志园 Duan Zhiyuan, 闫智辉 Yan Zhihui

Acta Optica SinicaJan 1, 20131 citation

Coherent Directed Transport of Neutral Atoms in Unmodulated Optical Lattices

Morteza Rafiee, Abolfazl Bayat

Department of Physics and Astronomy, University College London, Gower St., London WC1E 6BT, United Kingdom(Dated: May 11, 2011)We introduce a fully coherent way for directed transport of neutral atoms in optical lattices by regularlyperforming phase shifts on the lattice potential during the free evolution of the system. This paves the way forrealizing quantum gates and entanglement generation by bringing two individual atoms in the proximity of eachother and let them interact. The speed of our protocol is truly determined by the tunneling amplitudes of theatoms and thus is much faster than the speed of the dynamics resulted from superexchange interaction in spinchains or renormalized tunnelings in AC-driven quantum rachets. We also introduce an entanglement witnesswhich allows for experimentally detecting entanglement through local rotations and measurements. Our schemeis robust against possible imperfections and perhaps its main advantage is its simplicity which does not needsophisticated cooling mechanism and all its requirements have been already achieved in recent experiments.Department of Physics and Astronomy, University College London, Gower St., London WC1E 6BT, United Kingdom(Dated: May 11, 2011)We introduce a fully coherent way for directed transport of neutral atoms in optical lattices by regularlyperforming phase shifts on the lattice potential during the free evolution of the system. This paves the way forrealizing quantum gates and entanglement generation by bringing two individual atoms in the proximity of eachother and let them interact. The speed of our protocol is truly determined by the tunneling amplitudes of theatoms and thus is much faster than the speed of the dynamics resulted from superexchange interaction in spinchains or renormalized tunnelings in AC-driven quantum rachets. We also introduce an entanglement witnesswhich allows for experimentally detecting entanglement through local rotations and measurements. Our schemeis robust against possible imperfections and perhaps its main advantage is its simplicity which does not needsophisticated cooling mechanism and all its requirements have been already achieved in recent experiments.

arXiv:1105.1809May 9, 20110 citations

Unloading the dice: Minimising biases in Full Configuration Interaction Quantum Monte Carlo

W. A. Vigor, James S. Spencer, Michael J. Bearpark +1 more

X iv :1 40 7. 17 53 v1 [ ph ys ic s. ch em -p h] 7 J ul 2 01 4 Unloading the dice: Minimising biases in Full Configuration Interaction Quantum Monte Carlo W. A. Vigor, J. S. Spencer, 3 M. J. Bearpark, and A. J. W. Thom 4 Department of Chemistry, Imperial College London, Exhibition Road, London, SW7 2AZ, United Kingdom Department of Physics, Imperial College London, Exhibition Road, London, SW7 2AZ, United Kingdom Department of Materials, Imperial College London, Exhibition Road, London, SW7 2AZ, United Kingdom University Chemical Laboratory, Lensfield Road, Cambridge, CB2 1EW, United KingdomX iv :1 40 7. 17 53 v1 [ ph ys ic s. ch em -p h] 7 J ul 2 01 4 Unloading the dice: Minimising biases in Full Configuration Interaction Quantum Monte Carlo W. A. Vigor, J. S. Spencer, 3 M. J. Bearpark, and A. J. W. Thom 4 Department of Chemistry, Imperial College London, Exhibition Road, London, SW7 2AZ, United Kingdom Department of Physics, Imperial College London, Exhibition Road, London, SW7 2AZ, United Kingdom Department of Materials, Imperial College London, Exhibition Road, London, SW7 2AZ, United Kingdom University Chemical Laboratory, Lensfield Road, Cambridge, CB2 1EW, United Kingdom

Jul 7, 20140 citations

Quantum entanglement and quantum information in biological systems (DNA)

Ivan Hubač, M. Švec, Stephen S. Wilson

Dec 1, 20172 citations

The relevance of continuous variable entanglement in DNA

Abstract

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Abstract

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