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- Centre National de la Recherche ScientifiqueFR305 papers
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8 papers · 2 filters
How Einstein and/or Schrödinger should have discovered Bell's Theorem in 1936
Sania Jevtic, Terry Rudolph
We show how one can be led from considerations of quantum steering to Bell's theorem. We begin with Einstein's demonstration that, assuming local realism, quantum states must be in…
Hierarchies of multipartite entanglement for continuous-variable states
Antonio A. Valido, Federico Levi, Florian Mintert
We derive a hierarchy of separability criteria for multi-mode continuous variable systems. They permit to study in a unified way the k-partite entanglement of broad classes of Gaus…
Joint estimation of phase and phase diffusion for quantum metrology
Mihai D. Vidrighin, Gaia Donati, Marco G. Genoni +6
Phase estimation, at the heart of many quantum metrology and communication schemes, can be strongly affected by noise, whose amplitude may not be known, or might be subject to drif…
Experimental Realization of a One-way Quantum Computer Algorithm Solving Simon's Problem
M. S. Tame, B. A. Bell, C. Di Franco +2
We report an experimental demonstration of a one-way implementation of a quantum algorithm solving Simon's Problem - a black box period-finding problem which has an exponential gap…
Near-deterministic creation of universal cluster states with probabilistic Bell measurements and 3-qubit resource states
Hussain Zaidi, Chris Dawson, Peter van Loock +1
We develop a scheme for generating a universal qubit cluster state using probabilistic Bell measurements without the need for feed-forward or long-time quantum memories. Borrowing…
Quantum coherence, time-translation symmetry and thermodynamics
Matteo Lostaglio, Kamil Korzekwa, David Jennings +1
The first law of thermodynamics imposes not just a constraint on the energy-content of systems in extreme quantum regimes, but also symmetry-constraints related to the thermodynami…