Philippe JEAN-PIERRE

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2003
• Auteurs : Gilles DusserreSophie SauvagnarguesAurélia Bony-DandrieuxJérôme TixierSébastien Rault DoumaxPierre-Alain AyralJean-Philippe DimbourKarin HaldDaas Jabbour
• Organismes : Laboratoire de Génie de l'Environnement Industriel Laboratoire de Génie de l'Environnement Industriel Laboratoire de Génie de l'Environnement Industriel Laboratoire de Génie de l'Environnement Industriel Laboratoire de Génie de l'Environnement Industriel
• Publié dans Réalités industrielles. Annales des mines le 29/10/2020

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Fichiers liés : Contribution_a_laide_a_la_decision_en_situation_d.pdf

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2003
• Auteurs : Jean‐sébastien LauretChristophe VoisinGuillaume CassaboisClaude DelalandePhilippe RoussignolOliver JostLaurence Goux-Capes
• Organismes : Laboratoire Pierre Aigrain Motorola Labs Laboratoire Pierre Aigrain Laboratoire Pierre Aigrain Laboratoire Pierre Aigrain Laboratoire Pierre Aigrain Technische Universität Dresden = Dresden University of Technology Motorola Labs Laboratoire d'Electronique Moléculaire
• Publié dans Physical Review Letters le 02/11/2020

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Résumé : Time-resolved carrier dynamics in single wall carbon nanotubes is investigated by means of two-color pump-probe experiments. The recombination dynamics is monitored by probing the transient photo-bleaching observed on the first interband transition of the semi-conducting tubes. The carrier dynamics takes place on a one picosecond time scale which is one order of magnitude slower than in graphite. Transient photo-induced absorption is observed with exactly the same dynamics for non-resonant probe conditions and is interpreted as a global red shift of the $\pi-$plasmon resonance. We show that the opening of the band gap in semi-conducting carbon nanotubes determines the non-linear response dynamics over the whole visible and near-infrared spectrum.

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Fichiers liés : Voisin.pdf

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• Type de publi. : Communication dans un congrès
• Date de publi. : 01/01/2003
• Auteurs : Christophe RoosPhilippe CrenJean DalibardDavid Guéry-Odelin
• Organismes : Laboratoire Kastler Brossel Laboratoire Kastler Brossel Laboratoire Kastler Brossel Laboratoire Kastler Brossel

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Résumé : We present an intense source of $^{87}$Rb atoms that has been set up to produce a continuous, slow and cold beam in a magnetic guide. It consists of a two-dimensional magneto-optical trap whose cooling laser power is provided by a master-oscillator tapered-amplifier system. This trap produces an atomic beam with a flux of over $10^{10}$ atoms/s and a mean velocity of 40 m/s. The beam is recaptured by a second trap whose purpose consists in reducing the beam's velocity, in further cooling the atoms and injecting them into the magnetic guide. The article focusses on the first stage of the process described above.

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2003
• Auteurs : Jean-Philippe Uzan
• Organismes : Institut d'Astrophysique de Paris Laboratoire de Physique Théorique d'Orsay [Orsay]
• Publié dans Reviews of Modern Physics le 02/11/2020

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Résumé : This article describes the various experimental bounds on the variation of the fundamental constants of nature. After a discussion on the role of fundamental constants, of their definition and link with metrology, the various constraints on the variation of the fine structure constant, the gravitational, weak and strong interactions couplings and the electron to proton mass ratio are reviewed. This review aims (1) to provide the basics of each measurement, (2) to show as clearly as possible why it constrains a given constant and (3) to point out the underlying hypotheses. Such an investigation is of importance to compare the different results, particularly in view of understanding the recent claims of the detections of a variation of the fine structure constant and of the electron to proton mass ratio in quasar absorption spectra. The theoretical models leading to the prediction of such variation are also reviewed, including Kaluza-Klein theories, string theories and other alternative theories and cosmological implications of these results are discussed. The links with the tests of general relativity are emphasized.

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2003
• Auteurs : Thierry PellarinWigneron J.-P.Jean-Christophe CalvetMichael BergerHervé DouvillePaolo FerrazzoliYann H. KerrErnesto Lopez-BaezaJouni PulliainenLester P. SimmondsPhilippe Waldteufel
• Organismes : Centre national de recherches météorologiques Unité de bioclimatologie Centre national de recherches météorologiques European Space Research and Technology Centre Centre national de recherches météorologiques Università degli Studi di Roma Tor Vergata [Roma, Italia] = University of Rome Tor Vergata [Rome, Italy] = Université de Rome Tor Vergata [Rome, Italie] Centre d'études spatiales de la biosphère Universitat de València = University of Valencia = Universidade de Valencia TKK Helsinki University of Technology University of Reading Institut Pierre-Simon-Laplace
• Publié dans IEEE Transactions on Geoscience and Remote Sensing le 31/10/2020

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Résumé : This letter presents a synthetic L-band (1.4 GHz) multiangular brightness temperature dataset over land surfaces that was simulated at a half-degree resolution and at the global scale. The microwave emission of various land-covers (herbaceous and woody vegetation, frozen and unfrozen bare soil, snow, etc.) was computed using a simple model [L-band Microwave Emission of the Biosphere (L-MEB)] based on radiative transfer equations. The soil and vegetation characteristics needed to initialize the L-MEB model were derived from existing land-cover maps. Continuous simulations from a land-surface scheme for 1987 and 1988 provided time series of the main variables driving the L-MEB model: soil temperature at the surface and at depth, surface soil moisture, proportion of frozen surface soil moisture, and snow cover characteristics. The obtained global maps constitute a useful dataset for a first evaluation of the sensitivity of future satellite-based L-band radiometry data to soil moisture.

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2003
• Auteurs : Philippe BourdeauJean CorneloupPascal Mao
• Organismes : Pacte, Laboratoire de sciences sociales Pacte, Laboratoire de sciences sociales Pacte, Laboratoire de sciences sociales
• Publié dans Revue Européenne de Management du sport le 25/10/2020

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• Type de publi. : Communication dans un congrès
• Date de publi. : 01/01/2003
• Auteurs : Pascal MédéricJ. LozadaViviane PasquiFrédéric PlumetP. RumeauPhilippe BidaudJean-Claude Guinot
• Organismes : Laboratoire d'Ingénierie des Matériaux de Bretagne Département Intelligence Ambiante et Systèmes Interactifs Institut des Systèmes Intelligents et Robotique Assistance aux Gestes et Applications THErapeutiques Institut des Systèmes Intelligents et de Robotique Pôle Gériatrie [CHU Toulouse] Centre Hospitalier Universitaire de Toulouse Institut des Systèmes Intelligents et de Robotique Institut des Systèmes Intelligents et Robotique

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2003
• Auteurs : Philippe ThébaultJean-Charles AugereauHervé Beust
• Organismes : Laboratoire d'études spatiales et d'instrumentation en astrophysique Pôle Planétologie du LESIA
• Publié dans Astronomy & Astrophysics - A&A le 28/10/2020

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• Type de publi. : Chapître d'ouvrage
• Date de publi. : 01/01/2003
• Auteurs : Philippe Tétart
• Organismes : Centre d'histoire de Sciences Po (Sciences Po)

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• Type de publi. : Article dans une revue
• Date de publi. : 01/01/2003
• Auteurs : Stéphane KochSolange Bresson-HadniJean-Philippe MiguetJean-Pierre CrumbachMichel GilletGeorge-André MantionBruno HeydDominique-Angèle VuittonAnne MinelloSabine KurtzSt??phane KochGeorge-Andr?? MantionDominique-Ang??le Vuitton
• Organismes : Service d'Hépatologie [CHRU Besançon] Service d'Hépato-Gastro-Entérologie (CHU de Dijon)
• Publié dans Transplantation le 25/10/2020

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Résumé : Alveolar echinococcosis (AE) of the liver is a rare and severe parasitic disease. It behaves like a slow-growing liver cancer, and liver transplantation (LT) has been proposed in advanced cases since 1985. The aim of this retrospective study was to collect all AE transplant cases in Europe, analyze the results, and specify the usefulness of LT for this unusual indication.

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