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Elsevier Science BV |
Documentos disponibles de esta editorial (389)
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Arganda, E. ; Arqueros Martínez, Fernando ; García Pinto, Diego ; Minaya Flores, Ignacio Andrés ; Ortiz Ramis, Montserrat ; Rosado Vélez, Jaime | Elsevier Science BV | 2012-04Atmospheric conditions at the site of a cosmic ray observatory must be known for reconstructing observed extensive air showers. The Global Data Assimilation System (GDAS) is a global atmospheric model predicated on meteorological measurements an[...]![]()
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Vegas Azcárate, Ignacio ; Antoranz Canales, Pedro ; Miranda Pantoja, José Miguel ; Franco Peláez, Francisco Javier | Elsevier Science BV | 2017-01-01A variable width pulse generator featuring more than 4-V peak amplitude and less than 10-ns FWHM is described. In this design the width of the pulses is controlled by means of the control signal slope. Thus, a variable transition time control ci[...]![]()
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Two types of bisphenol monomers, Bisphenol A (BPA) and Tetramethyl Bisphenol A (TMBPA), with different concentrations of bisphenol aqueous solution (0.5% to 2.%w/v) and various interfacial polymerisation times (10 s, 30 s and 60 s) in the fixed [...]![]()
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A system of an array of side-coupled quantum dots attached to a quantum wire is studied theoretically. Transport through the quantum wire is investigated by means of a noninteracting Anderson tunneling Hamiltonian. Analytical expressions of the [...]![]()
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Carrasco, J. A. ; Nebreda Manjón, Jenifer ; Peláez Sagredo, José Ramón | Elsevier Science BV | 2015-10-07We apply a recently developed dispersive formalism to calculate the Regge trajectories of the f_2(1270), f´_ 2(1525) and K^?(892) mesons. Trajectories are calculated, not fitted to a family of resonances. Assuming that these resonances can be tr[...]![]()
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The intrinsic helix conformation of the DNA strands is known to be the key ingredient of control of the electric current through the molecule by the perpendicular (gate) electric field. We show theoretically that Bloch oscillations in periodic s[...]![]()
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We study the beta functions of the quartic and Yukawa couplings of General Relativity and Unimodular Gravity coupled to the ??4 and Yukawa theories with masses. We show that the General Relativity corrections to those beta functions as obtained [...]![]()
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This overview demonstrates the potential of historical documents from Ecuador, Peru, Bolivia, Chile and Argentina, for developing continuous and precise reconstructions of past climatic variations in South America, during past centuries. We prov[...]![]()
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Iglesias Freire, O. ; Jaafar, M. ; Pérez García, Lucas ; Abril, Abril, de ; Vázquez, M. ; Asenjo, A. | Elsevier Science BV | 2014-04The proximity effect in the collective behavior of arrays of magnetic nanostripes is currently a subject of intensive research. The imperative of reducing the size and distances between elements in order to achieve higher storage capacity, faste[...]![]()
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Torcal Milla, Francisco José ; Sánchez Brea, Luis Miguel ; Bernabeu Martínez, Eusebio | Elsevier Science BV | 2008-12-01Steel tape gratings are used in different metrology applications. As the period of these gratings was large (around 100?m,), its analytical study has been performed, up to date, using a geometrical approach. Nowadays, steel tape gratings can be [...]![]()
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Carmona, J. M. ; Cruz, A. ; Fernández Pérez, Luis Antonio ; Jiménez, S. ; Martín Mayor, Víctor ; Muñoz Sudupe, Antonio ; Pech, J. ; Ruiz Lorenzo, J. J. ; Tarancón, A. ; Téllez, P. | Elsevier Science BV | 2003-05-08It is shown that a bosonic formulation of the double-exchange model, one of the classical models for magnetism, generates dynamically a gauge-invariant phase in a finite region of the phase diagram. We use analytical methods, Monte Carlo simulat[...]![]()
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We summarise results on the infrared behaviour of Landau gauge QCD from the Green's functions approach and lattice calculations. Approximate, nonperturbative solutions for the ghost, gluon and quark propagators as well as first results for the q[...]![]()
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Manzanares Ituarte, Ana ; Calvo Padilla, María Luisa ; Chevalier dl Río, Margarita ; Lakshminarayanan, Vasudevan | Elsevier Science BV | 1998-12We discuss a formalism to characterize degraded edge images formed in a diffraction limited system (with circular pupil of unit radius) under conditions of incoherent illumination. We introduce a novel definition of degraded edges and consider t[...]![]()
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Barragán García, Vicenta María ; Ruiz Bauzá, Carlos ; Imaña Pascual, José Luis | Elsevier Science BV | 2002-03-01The influence of an alternating (AC) sinusoidal perturbation, of known frequency and small amplitude, superimposed to the usual applied continuous (DC) signal in a desalination electrodialysis process has been studied. The experiments were carri[...]![]()
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Melle Hernández, Sonia ; Gómez Calderón, Óscar ; Carreño Sánchez, Fernando ; Cabrera Granado, Eduardo ; Antón Revilla, Miguel Ángel ; Jarabo Lallana, Sebastián | Elsevier Science BV | 2007-11-01The effect of ion density on slow light propagation enabled by coherent population oscillations has been experimentally investigated for highly doped erbium fibers at room temperature. We found that fractional delay increases with ion density. A[...]