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Alexey V. Gorshkov, Tommaso Calarco, Mikhail D. Lukin, and Anders S. SÃ¸rensen Physics Department, Harvard University, Cambridge, Massachusetts 02138, USA Institut fÃ¼r Quanteninformationsverarbeitung,â€¦ (More)

The creation and manipulation of manyâ€“particle entangled states offers new perspectives for the investigation of fundamental questions of quantum mechanics, and is the basis of applications such asâ€¦ (More)

- Tommaso Caneva, Max Murphy, +4 authors Giuseppe E. Santoro
- Physical review letters
- 2009

Optimal control theory is a promising candidate for a drastic improvement of the performance of quantum information tasks. We explore its ultimate limit in paradigmatic cases, and demonstrate that itâ€¦ (More)

- Ronny Schmidt, Antonio Negretti, Joachim Ankerhold, Tommaso Calarco, JÃ¼rgen T. Stockburger
- Physical review letters
- 2011

We investigate the optimal control of open quantum systems, in particular, the mutual influence of driving and dissipation. A stochastic approach to open-system control is developed, using aâ€¦ (More)

- E. Andersson, Tommaso Calarco, Ron Folman, Mauritz Andersson, BjÃ¶rn Hessmo, JÃ¶rg Schmiedmayer
- Physical review letters
- 2002

Atoms can be trapped and guided with electromagnetic fields, using nanofabricated structures. We describe the fundamental features of an interferometer for guided matter waves, built of two combinedâ€¦ (More)

The evolution of a two-level system subjected to stimulated transitions which is undergoing a sequence of measurements of the level occupation probability is evaluated. Its time correlation functionâ€¦ (More)

â€“ The possibility of observing violations of temporal Bell inequalities, originally proposed by Leggett and Garg as a mean of testing the quantum mechanical delocalization of suitably chosenâ€¦ (More)

We propose a two-qubit collisional phase gate that can be implemented with available atom chip technology, and present a detailed theoretical analysis of its performance. The gate is based on earlierâ€¦ (More)

- Peter Zoller, Th. Beth, +36 authors Anton Zeilinger
- 2005

Version 1.7, April 2010 Roadmap committee members R. Blatt (Innsbruck) J. Kempe (Orsay) A. Sergienko (Boston) H. Briegel (Innsbruck) L. Kouwenhoven (Delft) D. Suter (Dortmund) D. Bruss (DÃ¼sseldorf)â€¦ (More)

- Antonio Negretti, Philipp Treutlein, Tommaso Calarco
- Quantum Information Processing
- 2011

We review quantum information processing with cold neutral particles, that is, atoms or polar molecules. First, we analyze the best suited degrees of freedom of these particles for storing quantumâ€¦ (More)