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Murg, V.; Cirac, J. I.: Adiabatic time evolution in spin systems. Physical Review A 69 (4), 042320 (2004)

Acin, A.; Cirac, J. I.; Masanes, L.: Multipartite bound information exists and can be activated. Physical Review Letters 92 (10), 107903 (2004)

Cirac, J. I.; Zoller, P.: New frontiers in quantum information with atoms and ions. Physics Today 57 (3), pp. 38 - 44 (2004)

Schuch, N.; Verstraete, F.; Cirac, J. I.: Nonlocal resources in the presence of superselection rules. Physical Review Letters 92 (8), 087904 (2004)

Verstraete, F.; Martín-Delgado, M. A.; Cirac, J. I.: Diverging entanglement length in gapped quantum spin systems. Physical Review Letters 92 (8), 087201 (2004)

Wolf, M. M.; Verstraete, F.; Cirac, J. I.: Entanglement frustration for Gaussian states on symmetric graphs. Physical Review Letters 92 (8), 087903 (2004)

Verstraete, F.; Popp, M.; Cirac, J. I.: Entanglement versus correlations in spin systems. Physical Review Letters 92 (2), 027901 (2004)

Garcia-Ripoll, J. J.; Cirac, J. I.; Zoller, P.; Kollath, C.; Schollwock, U.; von Delft, J.: Variational ansatz for the superfluid Mott-insulator transition in optical lattices. Optics Express 12 (1), pp. 42 - 54 (2004)

Kraus, B.; Cirac, J. I.: Discrete entanglement distribution with squeezed light. Physical Review Letters 92 (1), 013602 (2004)

Tóth, G.; Simon, C.; Cirac, J. I.: Entanglement detection based on interference and particle counting. Physical Review A 68 (6), 062310 (2003)

Garcia-Ripoll, J. J.; Zoller, P.; Cirac, J. I.: Speed Optimized Two-Qubit Gates with Laser Coherent Control Techniques for Ion Trap Quantum Computing. Physical Review Letters 91 (15), 157901 (2003)

Rabl, P.; Daley, A. J.; Fedichev, P. O.; Cirac, J. I.; Zoller, P.: Defect-Suppressed Atomic Crystals in an Optical Lattice. Physical Review Letters 91 (11), 110403 (2003)

Giedke, G.; Wolf, M. M.; Krüger, O.; Werner, R. E.; Cirac, J. I.: Entanglement of Formation for Symmetric Gaussian States. Physical Review Letters 91 (10), 107901 (2003)

Cubitt, T. S.; Verstraete, F.; Dür, W.; Cirac, J. I.: Separable states can be used to distribute entanglement. Physical Review Letters 91 (3), 037902 (2003)

García-Ripoll, J. J.; Cirac, J. I.: Quantum computation with cold bosonic atoms in an optical lattice. Philosophical Transactions of the Royal Society of London Series A-Mathematical Physical and Engineering Sciences 361 (1808), pp. 1537 - 1548 (2003)

Cirac, J. I.; Zoller, P.: How to manipulate cold atoms. Science 301 (5630), pp. 176 - 177 (2003)

Verstraete, F.; Cirac, J. I.: Quantum nonlocality in the presence of superselection rules and data hiding protocols. Physical Review Letters 91 (1), 010404 (2003)

Paredes, B.; Zoller, P.; Cirac, J. I.: Fractional quantum Hall regime of a gas of ultracold atoms. Solid State Communications 127 (2), pp. 155 - 162 (2003)

García-Ripoll, J. J.; Cirac, J. I.: Spin dynamics for bosons in an optical lattice. New Journal of Physics 5, 76, pp. 76.1 - 76.13 (2003)

Giedke, G.; Eisert, J.; Cirac, J. I.; Plenio, M. B.: Entanglement transformations of pure Gaussian states. Quantum Information & Computation 3 (3), pp. 211 - 223 (2003)