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- Centre National de la Recherche ScientifiqueFR528 papers
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11 papers · 2 filters
A Quantum Random Number Generator Certified by Value Indefiniteness
Alastair A. Abbott, Cristian S. Calude, Karl Svozil
In this paper we propose a quantum random number generator (QRNG) which utilizes an entangled photon pair in a Bell singlet state, and is certified explicitly by value indefinitene…
Single spontaneous photon as a coherent beamsplitter for an atomic matterwave
Jiří Tomkovič, Michael Schreiber, Joachim Welte +3
In spontaneous emission an atom in an excited state undergoes a transition to the ground state and emits a single photon. Associated with the emission is a change of the atomic mom…
Mach-Zehnder interferometry with interacting trapped Bose-Einstein condensates
Julian Grond, Ulrich Hohenester, Joerg Schmiedmayer +1
We theoretically analyze a Mach-Zehnder interferometer with trapped condensates, and find that it is surprisingly stable against the nonlinearity induced by inter-particle interact…
Einstein-Podolsky-Rosen Correlations of Ultracold Atomic Gases
Nir Bar-Gill, Christian Gross, Gershon Kurizki +2
Einstein, Podolsky & Rosen (EPR) pointed out that correlations induced between quantum objects will persist after these objects have ceased to interact. Consequently, their joint c…
Fast cavity-enhanced atom detection with low noise and high fidelity
J. Goldwin, M. Trupke, J. Kenner +2
Cavity quantum electrodynamics describes the fundamental interactions between light and matter, and how they can be controlled by shaping the local environment. For example, optica…
Quantum Interference between a Single-Photon Fock State and a Coherent State
Armin Windhager, Martin Suda, Christoph Pacher +2
We derive analytical expressions for the single mode quantum field state at the individual output ports of a beam splitter when a single-photon Fock state and a coherent state are…