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- Centre National de la Recherche ScientifiqueFR463 papers
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47 papers · 1 filter
Decoherence assisting a measurement-driven quantum evolution process
L. Roa, G. Olivares
We study the problem of driving an unknown initial mixed quantum state onto a known pure state without using unitary transformations. This can be achieved, in an efficient manner,…
Extragalactic H_2O masers and X-ray absorbing column densities
J. S. Zhang, C. Henkel, M. Kadler +4
Having conducted a search for the 22 GHz water vapor line towards galaxies with nuclear activity, large nuclear column densities or high infrared luminosities, we present H_2O spec…
On topological properties of the Hartman--Mycielski functor
Taras Radul, Dusan Repovs
We investigate some topological properties of a normal functor introduced earlier by Radul which is some functorial compactification of the Hartman--Mycielski construction HM.…
The Space Interferometry Mission Astrometric Grid Giant-Star Survey. I. Stellar Parameters and Radial Velocity Variability
Dmitry Bizyaev, Verne V. Smith, Jose Arenas +7
We present results from a campaign of multiple epoch echelle spectroscopy of relatively faint (V = 9.5-13.5 mag) red giants observed as potential astrometric grid stars for the Spa…
Topological black holes dressed with a conformally coupled scalar field and electric charge
Cristian Martinez, Juan Pablo Staforelli, Ricardo Troncoso
Electrically charged solutions for gravity with a conformally coupled scalar field are found in four dimensions in the presence of a cosmological constant. If a quartic self-intera…
Globular cluster systems in low-luminosity early-type galaxies near the Fornax Cluster centre
Lilia P. Bassino, Tom Richtler, Boris Dirsch
We present a photometric study of the globular cluster systems of the Fornax cluster galaxies NGC 1374, NGC 1379, and NGC 1387. The data consists of images from the wide-field MOSA…