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- Centre National de la Recherche ScientifiqueFR208 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR130 papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR124 papers
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30 papers · 1 filter
Schrodinger cats and their power for quantum information processing
A. Gilchrist, Kae Nemoto, W. J. Munro +4
We outline a toolbox comprised of passive optical elements, single photon detection and superpositions of coherent states (Schrodinger cat states). Such a toolbox is a powerful col…
Quantum inequalities in quantum mechanics
Simon P. Eveson, Christopher J. Fewster, Rainer Verch
We study a phenomenon occuring in various areas of quantum physics, in which an observable density (such as an energy density) which is classically pointwise nonnegative may assume…
Reevaluation of the Na(p,) reaction rate: Implications for the detection of Na gamma rays from novae
D. G. Jenkins, C. J. Lister, R. V. F. Janssens +8
Understanding the processes which create and destroy Na is important for diagnosing classical nova outbursts. Conventional Na(p,) studies are complicated by the ne…
Quantum coherence: myth or fact?
Kae Nemoto, Samuel L. Braunstein
It has recently been argued that the inability to measure the absolute phase of an electromagnetic field prohibits the representation of a laser's output as a quantum optical coher…
Quantum Search Algorithm with more Reliable Behaviour using Partial Diffusion
Ahmed Younes, Jon Rowe, Julian Miller
In this paper, we will use a quantum operator which performs the inversion about the mean operation only on a subspace of the system ({\it Partial Diffusion Operator}) to propose a…
Preparing high purity initial states for nuclear magnetic resonance quantum computing
M. S. Anwar, D. Blazina, H. Carteret +5
Here we demonstrate how para-hydrogen can be used to prepare a two-spin system in an almost pure state which is suitable for implementing nuclear magnetic resonance (NMR) quantum c…