2.4k citations
- Donostia International Physics CenterES12 papers
- IkerbasqueES11 papers
- Ludwig-Maximilians-Universität MünchenDE6 papers
- Centre National de la Recherche ScientifiqueFR5 papers
- Hungarian Academy of SciencesHU5 papers
- Institute for Solid State Physics and OpticsHU5 papers
- Universidad de ZaragozaES5 papers
- Austrian Academy of SciencesAT4 papers
- European Theoretical Spectroscopy FacilityBE4 papers
- Freie Universität BerlinDE4 papers
- Industrial University of SantanderCO4 papers
- Institute for Quantum Optics and Quantum Information InnsbruckAT4 papers
10 papers · 1 filter
Practical methods for witnessing genuine multi-qubit entanglement in the vicinity of symmetric states
Geza Toth, Witlef Wieczorek, Roland Krischek +3
We present general numerical methods to construct witness operators for entanglement detection and estimation of the fidelity. Our methods are applied to detecting entanglement in…
Experimental entanglement of a six-photon symmetric Dicke state
Witlef Wieczorek, Roland Krischek, Nikolai Kiesel +3
We report on the experimental observation and characterization of a six-photon entangled Dicke state. We obtain a fidelity as high as 0.6540.024 and prove genuine six-photon e…
Perfect function transfer and interference effects in interacting boson lattices
Lian-Ao Wu, Adam Miranowicz, XiangBin Wang +2
We show how to perfectly transfer, without state initialization and remote collaboration, arbitrary functions in interacting boson lattices. We describe a possible implementation o…
Preparation of atomic Fock states by trap reduction
M. Pons, A. del Campo, J. G. Muga +1
We describe the preparation of atom-number states with strongly interacting bosons in one dimension, or spin-polarized fermions. The procedure is based on a combination of weakenin…
Entanglement and permutational symmetry
Geza Toth, Otfried Gühne
We study the separability of permutationally symmetric quantum states. We show that for bipartite symmetric systems most of the relevant entanglement criteria coincide. However, we…
Generation of Total Angular Momentum Eigenstates in Remote Qubits
A. Maser, U. Schilling, T. Bastin +3
We propose a scheme enabling the universal coupling of angular momentum of remote noninteracting qubits using linear optical tools only. Our system consists of single-photo…