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Elsevier Science BV |
Documentos disponibles de esta editorial (389)
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Ruiz Ruiz, Fernando ; Dhamanea, Sagar ; Chen, Wen-Hsiang ; Kourentzic, Katerina ; Benavides, Jorge ; Rito Palomares, Marco ; Willson, Richard C. | Elsevier Science BV | 2014-01-10We previously showed that the affinity and capacity of ion exchange adsorbents of a given total charge density are improved by immobilization of the charges in pre-ordered clusters, rather than individually in random locations. This previous wor[...]![]()
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The understanding of stellar structure represents the crossroads of our theories of the nuclear force and the gravitational interaction under the most extreme conditions observably accessible. It provides a powerful probe of the strong field reg[...]![]()
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This paper presents an approach to the local stereovision matching problem using edge segments as features with four attributes. In this paper we design a Support Vector Machine classifier for solving the stereovision matching problem. We obtain[...]![]()
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Rojas, Karina ; Gómez, Daniel ; Montero, Javier ; Rodríguez, Juan Tinguaro | Elsevier Science BV | 2013-10-01In this paper we analyze the notion of family of aggregation operators (FAO), also refereed to as extended aggregation functions (EAF), i.e., a set of aggregation operators defined in the unit interval which aggregate several input values into a[...]![]()
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It is shown that any sigma model coupled to gravity with a target space having closed geodesics admits singular cosmic string solutions with event horizons. We also prove that if one makes the general assumption of boost symmetric sources, non-s[...]![]()
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This article presents a number of technical tools and results that may be instrumental to discern the nature of the Higgs particle. In scenarios where an additional strongly interacting sector is present in the electroweak theory, resulting in a[...]![]()
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Ruiz León, Domingo ; Mompean, Federico ; Prado Gonja, Jesús ; Marco, José F. ; García Hernandez, Mar ; Schmid, Rainer | Elsevier Science BV | 2018-12The transparent semiconductor Zn?SnO? with cubic spinel structure and the isostructural Zn?Ti?O have been magnetically doped with Co^(2++) ZnCoSnO? and ZnCoTiO? exhibit ferrimagnetism below TN ? 13 K and TN ? 17 K. Ferrimagnetic moments are evid[...]![]()
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Rodríguez-Rodríguez, Mar ; Tello, Daniel ; Yélamos, Belén ; GómezGutiérrez, Julián ; Pacheco, Beatriz ; Ortega, Sara ; Serrano, Alicia G. ; Peterson, Darrell L. ; Gavilanes, Francisco | Elsevier Science BV | 2009-01We describe the structural and antigenic properties of a soluble form of hepatitis C virus E2 envelope protein ectodomain ending at residue 661 (E2661) which is obtained in large quantities in a baculovirus/insect cell system. The protein is sec[...]![]()
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Systems are modeled in Reliability Theory by means of Structure Functions, which show how the system state of performance depends on the state of all its components. In this paper we consider that the space of states allowed for both the system [...]![]()
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Pervaporation is applied for acetone, acetonitrile and ethanol removal from water solutions. The separation of binary acetone-water, acetonitrile-water and ethanol-water mixtures was initially carried out. The effects of feed concentration and f[...]![]()
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The effect of Cl doping on the luminescence properties of CdTe is investigated by cathodoluminescence microscopy. Cl enhances the 1.4 eV emission and retards the appearance of the tellurium vacancy related emission band. The behaviour under anne[...]![]()
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Cruz, A. ; Íñiguez, D. ; Fernández Pérez, Luis Antonio ; Muñoz Sudupe, Antonio ; Tarancón, A. | Elsevier Science BV | 1998-01-01The order of the Coulomb-Higgs transition in the U (1) -Higgs model with unfrozen modulus of the scalar field is studied. Large lattices (up to 24^4 in one case) and high statistics are used. We fix ? = 1.15 and explore specially a region of ?[...]![]()
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Arganda, E. ; Arqueros Martínez, Fernando ; Blanco Ramos, Francisco ; García Pinto, Diego ; Monasor, M. ; Ortiz Ramis, Montserrat ; Ros, G. ; Rosado Vélez, Jaime ; Vázquez Peñas, José Ramón | Elsevier Science BV | 2010-03The air fluorescence detector of the Pierre Auger Observatory is designed to perforin calorimetric measurements of extensive air showers created by Cosmic rays of above 10(18) eV. To correct these measurements for the effects introduced by atmos[...]![]()
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Delgado, Carmen L. ; Núñez, Elena ; Yélamos, Belén ; Gómez-Gutiérrez, Julián ; Peterson, Darrell L. ; Gavilanes, Francisco | Elsevier Science BV | 2015-04In a previous study, it was shown that purified preS domains of hepatitis B virus (HBV) could interact with acidic phospholipid vesicles and induce aggregation, lipid mixing and leakage of internal contents which could be indicative of their inv[...]![]()
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Llanes Estrada, Felipe José ; Fischer, Christian S. ; Alkofer, Reinhard ; Cassing, Wolfgang ; Watson, Peter | Elsevier Science BV | 2006-03We summarise recent results on the properties of gluons, quarks and light mesons from the Green's functions approach to QCD. We discuss a self-consistent, infrared power law solution for the Schwinger-Dyson equations of the 1PI Greens functions [...]![]()
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Oset, E. ; Hosaka, A ; Nacher, J. C. ; Oka, M. ; Oller, J. A. ; Parreño, A. ; Peláez Sagredo, José Ramón ; Ramos, A. ; Toki, H. | Elsevier Science BV | 2000-01-31We report on recent progress on the chiral unitary approach, which is shown to have a much larger convergence radius than ordinary chiral perturbation theory, allowing one to reproduce data for meson meson interaction up to 1.2 GeV and meson bar[...]![]()
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Cheben, Pavel ; Calvo Padilla, María Luisa ; Belenguer Dávila, Tomás ; Núñez Peral, Armonía | Elsevier Science BV | 1998-03-01A novel method of substrate mode hologram (SMH) design and fabrication is presented. The coupling between a homogeneous plane wave and an arbitrary free propagating wave is achieved via a total internally reflected (TIR) wave. The input slanted [...]![]()
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Paris, J.L. ; Torre, Paz de la ; Cabañas Criado, Victoria ; Manzano García, Miguel ; Flores, Ana I. ; Vallet Regí, María | Elsevier Science BV | 2018-11-07A Trojan-horse strategy for cancer therapy employing tumor-tropic mesenchymal stem cells transfected with a non-viral nanovector is here presented. In this sense, ultrasound-responsive mesoporous silica nanoparticles were coated with a polycatio[...]![]()
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A low-energy analysis of macroscopic superstrings is presented and various analogies between these superstrings and solitons in supersymmetric theories are discussed. These include the existence of exact multi-string solutions of the low-energy [...]![]()
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We explicitly construct a solution of eight-dimensional gauged supergravity representing D6-branes wrapped on six-cycles inside Calabi–Yau fourfolds. The solution preserves two supercharges and asymptotically is a cone with the coset space SU(2)[...]![]()
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We prove that three-dimensional N=1 supersymmetric Yang Mills-Chern-Simons theory is finite to all loops. This leaves open the possibility that different regularization methods give different finite effective actions. We show that for this model[...]![]()
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Response surface methodology and desirability function approach have been applied for modeling and multi-response optimization of sweeping gas membrane distillation process used for concentration of sucrose aqueous solutions. Response surface mo[...]![]()
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Barragán García, Vicenta María ; García Villaluenga, Juan Pedro ; Godino Gómez, María Paz ; Izquierdo Gil, María Amparo ; Ruiz Bauzá, Carlos ; Seoane Rodríguez, Benjamín | Elsevier Science BV | 2008-12-01Electro-osmosis experiments through three cation-exchange membranes with different morphology and similar electric properties have been performed using methanol-water solutions under different experimental conditions. The influence on the electr[...]![]()
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Quiroga Mellado, Juan Antonio ; Villa, J. ; Gómez Pedrero, José Antonio | Elsevier Science BV | 2002-04-01An alternative method for temporal evaluation of fringe patterns is proposed. The method is based on the application of a synchronous detection system for processing the temporal irradiance fluctuations generated when the sensitivity of the opti[...]![]()
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Izquierdo-Barba, Isabel ; Santos-Ruiz, L ; Becerra, J ; Feito Castellano, María José ; Fernandez-Villa, D ; Serrano, M.C ; Diaz-Gúemes, I ; Fernandez-Tome, B ; Enciso, S ; Sanchez-Margallo, F.M ; Monopoli, D ; Alfonso, H ; Portolés Pérez, María Teresa ; Arcos Navarrete, Daniel ; Vallet Regí, María | Elsevier Science BV | 2018-11-13The osteogenic and angiogenic responses to metal macroporous scaffolds coated with silicon substituted hydroxyapatite (SiHA) and decorated with vascular endothelial growth factor (VEGF) have been evaluated in vitro and in vivo. Ti6Al4V-ELI scaff[...]![]()
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Díaz-Guerra Viejo, Carlos ; Umek, Paloma ; Gloter, Alexandre ; Piqueras de Noriega, Javier | Elsevier Science BV | 2010-05-13We report on the synthesis of Cr^(3+)-doped sodium titanate nanotubes and nanoribbons by a hydrothermal method. The presence of dopant ions in these nanostructures was confirmed by high angle annular dark field scanning transmission electron mic[...]![]()
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Presa Muñoz del Toro, Patricia de la ; Multigner, M. ; Morales, M. P. ; Rueda, T. ; Fernandez Pinel, E. ; Hernando Grande, Antonio | Elsevier Science BV | 2007-09In this work, the structural and magnetic properties of the gold- coated FePt nanoparticles synthesized from high- temperature solution phase are presented. The amount of gold was optimized to obtain most of the FePt particles coated. The partic[...]![]()
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Piquero Sanz, Gemma María ; Ramírez Sánchez, Victoria ; Santarsiero, Massimo | Elsevier Science BV | 2010-11-15Partially coherent beams, whose transverse polarization pattern remains invariant upon paraxial propagation, are synthesized and characterized. Synthesis is performed by imposing a spiral-like polarization profile to a rotationally symmetric par[...]![]()
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Piquero Sanz, Gemma María ; Gori, Franco ; Romanini, P. ; Santarsiero, Massimo ; Borghi, Riccardo ; Mondello, A. | Elsevier Science BV | 2002-07-01An experimental procedure for the synthesis of a class of partially polarized Gaussian Schell-model sources is proposed. The experimental set-up is based on Mach-Zenhder interferometer. This kind of sources give rise to not only a coherence degr[...]![]()
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Sánchez Brea, Luis Miguel ; Torcal Milla, Francisco José ; Bernabeu Martínez, Eusebio | Elsevier Science BV | 2007-10-01Metallic gratings can be found in applications such as optical metrology. Due to their fabrication process, the surface presents a certain roughness. In this work, the effect of roughness on Talbot effect has been analyzed when the grating is il[...]![]()
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We have studied the efficiency of research in the EU by a percentile-based citation approach that analyzes the distribution of country papers among the world papers. Going up in the citation scale, the frequency of papers from efficient countrie[...]![]()
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Quiroga Mellado, Juan Antonio ; Gómez Pedrero, José Antonio ; Terrón López, M. José ; Servín Guirado, Manuel | Elsevier Science BV | 2005-09-15There are many phase measuring experimental setups in which the rate of temporal phase variation cannot be easily determined. In the case of phase stepping techniques, asynchronous phase measuring techniques were developed to solve this problem.[...]![]()
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Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nieto, Daniel | Elsevier Science BV | 2008-05-15The MAGIC telescope has been designed for the observation of Cherenkov light generated in Extensive Air Showers initiated by cosmic particles. However, its 17m diameter mirror and optical design makes the telescope suitable for direct optical ob[...]![]()
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Cruz, A. ; Íñiguez, D. ; Tarancón, A. ; Fernández Pérez, Luis Antonio ; Muñoz Sudupe, Antonio | Elsevier Science BV | 1995-04We find a first order Coulomb-Higgs phase transition at moderately large values of the coupling ?, and no evidence for a change of order at any finite value of it.![]()
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We consider electromagnetic field quantization in an expanding universe We find that the covariant (Gupta Bleuler) method exhibits certain difficulties when trying to impose the quantum Lorenz condition on cosmological scales. We thus explore th[...]![]()
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In this paper we analyze the lexicographical solution for fuzzy TU games, we study its properties and obtain a characterization. The lexicographical solution was introduced by Sakawa and Nishizaki (Fuzzy Sets and Systems 61 (1994) 265-275) as a [...]![]()
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In this work we derive the version of the Equivalence Theorem that applies when the symmetry breaking sector of the Standard Model is described by a general chiral lagrangian. The demonstration is valid for renormalized fields for any value of t[...]![]()
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Curtis, Stefania De ; Dominici, Daniele ; Peláez Sagredo, José Ramón | Elsevier Science BV | 2003-02-20We present an equivalence theorem for the longitudinal components of the gauge bosons in a compactified five-dimensional extension of the Standard Model, whose spontaneous symmetry breaking is driven either by one Higgs in the bulk or by one on [...]![]()
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Arganda, E. ; Arqueros Martínez, Fernando ; Blanco Ramos, Francisco ; García Pinto, Diego ; Ortiz Ramis, Montserrat ; Rosado Vélez, Jaime ; Vázquez Peñas, José Ramón | Elsevier Science BV | 2011-01The Pierre Auger Observatory is a detector for ultra-high energy cosmic rays. It consists of a surface array to measure secondary particles at ground level and a fluorescence detector to measure the development of air showers in the atmosphere a[...]![]()
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Arganda, E. ; Arqueros Martínez, Fernando ; Blanco Ramos, Francisco ; García Pinto, Diego ; Monasor, M. ; Ortiz Ramis, Montserrat ; Ros, G. ; Rosado Vélez, Jaime ; Vázquez Peñas, José Ramón | Elsevier Science BV | 2010-08-11The Pierre Auger Observatory is a hybrid detector for ultra-high energy cosmic rays. It combines a surface array to measure secondary particles at ground level together with a fluorescence detector to measure the development of air showers in th[...]![]()
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Monasor, M. ; Vázquez Peñas, José Ramón ; García Pinto, Diego ; Arqueros Martínez, Fernando | Elsevier Science BV | 2011-01An accurate knowledge of the fluorescence yield and its dependence on atmospheric properties such as pressure, temperature or humidity is essential to obtain a reliable measurement of the primary energy of cosmic rays in experiments using the fl[...]![]()
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Trigo, Ricardo M. ; Gouveia, Célia M. ; Barriopedro Cepero, David | Elsevier Science BV | 2010-08-15The historical region of Fertile Crescent (FC) was recently hit by an intense and prolonged drought episode during the two hydrological years spanning between 2007 and 2009. Here, we characterize the temporal and spatial extents of this extreme [...]![]()
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We report on our present work, where by means of the Inverse Amplitude Method we unitarize the elastic pion nucleon scattering amplitudes of Heavy Barion Chiral Perturbation Theory at O(q(3)). We reproduce the scattering up to the inelastic thre[...]![]()
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Arganda, E. ; Arqueros Martínez, Fernando ; Blanco Ramos, Francisco ; García Pinto, Diego | Elsevier Science BV | 2011-12In this paper we introduce the concept of Lateral Trigger Probability (LTP) function, i.e., the probability for an Extensive Air Shower (EAS) to trigger an individual detector of a ground based array as a function of distance to the shower axis,[...]![]()
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We consider queuing systems where customers are not allowed to queue; instead of that they make repeated attempts, or retrials, in order to enter service after some time. The performance of telephone systems and communication networks modelled a[...]![]()
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Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Satalecka, Konstanzja ; Scapin, Valeria ; otros, ... | Elsevier Science BV | 2016-01The MAGIC telescopes are two Imaging Atmospheric Cherenkov Telescopes (IACTs) located on the Canary island of La Palma. The telescopes are designed to measure Cherenkov light from air showers initiated by gamma rays in the energy regime from aro[...]![]()
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We study the maximumn umber of infected individuals observed during an epidemic for a Susceptible–Infected–Susceptible (SIS) model which corresponds to a birth–death process with an absorbing state. We develop computational schemes for the corre[...]![]()
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We study the maximumn umber of infected individuals observed during an epidemic for a Susceptible–Infected–Susceptible (SIS) model which corresponds to a birth–death process with an absorbing state. We develop computational schemes for the corre[...]![]()
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Motivated by practical issues, a new stochastic order for random variables is introduced by comparing all their percentile residual life functions until a certain instant. Some interpretations of these stochastic orders are given, and various pr[...]![]()
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We consider a biparametric family of BRS invariant regularization methods of SU (N) Chem-Simons theory (the parameters defining the family taking arbitrary values in R2) and show that the one-loop shift k --> k + sign(k) N of the Chern-Simons p[...]![]()
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Vacuum membrane distillation (VMD) has been studied as a separation process to remove volatile organic compounds from aqueous streams. A vapour pressure difference across a microporous hydrophobic membrane is the driving force for the mass trans[...]![]()
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The covariant functional Schrödinger formalism is used to study thermal equilibrium for a scalar field in Robertson Walker spacetimes. It is found that thermal equilibrium can be maintained for field masses, coupling constants and geometries sat[...]![]()
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The temperature evolution of the chiral condensates in a gas made of pions, kaons and etas is studied within the framework of SU(2) and SU(3) Chiral Perturbation Theory. We describe the temperature dependence of the quark condensates by using th[...]![]()
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Mártil de la Plaza, Ignacio ; González Díaz, Germán ; Olea Ariza, Javier | Elsevier Science BV | 2010-11Ti implantation in Si with very high doses has been performed. Subsequent Pulsed Laser Melting (PLM) annealing produces good crystalline lattice with electrical transport properties that are well explained by the Intermediate Band (IB) theory. T[...]![]()
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García Villaluenga, Juan Pedro ; Seoane Rodríguez, Benjamín ; Barragán García, Vicenta María ; Ruiz Bauzá, Carlos | Elsevier Science BV | 2006-04-05Mass transport of mixtures of water and methanol through a Nation membrane as a function of the temperature difference between the two sides of the membrane was measured under different experimental conditions. The results show that the composit[...]![]()
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A three-branch all-fibre optic interferometer (3B-FOI) based on a Mach-Zehnder configuration is proposed. We have studied the feasibility of using it to measure two phase perturbations. Results are presented which show the linearity of the detec[...]![]()
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We report on a theoretical study of the electronic structure of quasiperiodic, quasi-one-dimensional systems where fully three-dimensional interaction potentials are taken into account. In our approach, the actual physical potential acting upon [...]![]()
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We present a topological mechanism of discretization, which gives for the fundamental electric charge the value q(0) = root (h) over bar c = 5.29 x 10(-19) C, about 3.3 times the electron charge. Its basis is the following recently proved proper[...]![]()
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García Hernansanz, Rodrigo ; García Hemme, Eric ; Montero Álvarez, Daniel ; Olea Ariza, Javier ; Prado Millán, Álvaro del ; Mártil de la Plaza, Ignacio ; Voz Sánchez, Cristobal ; Gerling, Luis ; Puigdollers, Joaquin ; Alcubilla, R. | Elsevier Science BV | 2018-10Heterojunction solar cells based on molybdenum sub-oxide (MoOx) deposited on n-type crystalline silicon have been fabricated. The hole selective character of MoOx is explained by its high workfunction, which causes a strong band bending in the S[...]![]()
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Barragán García, Vicenta María ; Ruiz Bauzá, Carlos ; García Villaluenga, Juan Pedro ; Seoane Rodríguez, Benjamín | Elsevier Science BV | 2004-05The mass flow originated when two methanol–water solutions of different methanol concentrations are separated by a membrane has been studied for two Nafion membranes. From the experimental results, the methanol and water permeabilities have been[...]![]()
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El Abbassi, A. ; Khayet Souhaimi, Mohamed ; Kiai, H. ; Hafidi, A. ; García Payo, María del Carmen | Elsevier Science BV | 2013-02-05Olive oil extraction industry is a very important economic activity in the entire Mediterranean basin. The olive mill wastewaters (OMWs) are seasonally produced with large volumes of toxic and polluting wastewaters. Amongst other organic constit[...]![]()
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El Abbassi, A. ; Kiai, H. ; Hafidi, A. ; García Payo, María del Carmen ; Khayet Souhaimi, Mohamed | Elsevier Science BV | 2012-09-19Direct contact membrane distillation (DCMD) process was applied for olive mill wastewater (OMW) treatment. Three commercial polytetrafluoroethylene (PTFE) membranes with different pore sizes (TF200 of 0.2 mu m, TF450 of 0.45 mu m and TF1000 of 1[...]![]()
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Direct contact membrane distillation (DCMD) is proposed for processing low and intermediate level radioactive liquid wastes by means of surface modified flat sheet membranes to produce distilled water and to reduce the volume of the radioactive [...]![]()
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Arqueros Martínez, Fernando ; Blanco Ramos, Francisco ; García Pinto, Diego ; Ortiz Ramis, Montserrat ; Rosado Vélez, Jaime ; Vázquez Peñas, José Ramón | Elsevier Science BV | 2010-01-21The surface detector array of the Pierre Auger Observatory consists of 1600 water-Cherenkov detectors, for the study of extensive air showers (EAS) generated by ultra-high-energy cosmic rays. We describe the trigger hierarchy, from the identific[...]![]()
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It is argued that the one-loop effective action for space like noncommutative (i) lambda phi(4) scalar field theory and (ii) U(1) gauge theory does not exist. This indicates that such theories are not renormalizable already at one loop order and[...]![]()
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Gutierrez Reyes, Daniel ; Scimemi, Ignazio ; Vladimirov, Alexey A. | Elsevier Science BV | 2017-06-10We systematically study the large-qT (or small-b) matching of transverse momentum dependent (TMD) distributions to the twist-2 integrated parton distributions. Performing operator product expansion for a generic TMD operator at the next-to-leadi[...]![]()
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Llanes Estrada, Felipe José ; Peláez Sagredo, José Ramón ; Vicente Vacas, M. J. ; Oset, E. | Elsevier Science BV | 2005-06-13We study the self-energy of the SU(3) antidecuplet coming from two-meson virtual clouds. Assuming that the exotic Theta(+) belongs to an antidecuplet representation with (1710) as nucleon partner, we derive effective Lagrangians that describe t[...]![]()
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Antoranz Canales, Pedro ; Barrio Uña, Juan Abel ; Contreras González, José Luis ; Fonseca González, Mª Victoria ; López Moya, Marcos ; Miranda Pantoja, José Miguel ; Nieto, Daniel | Elsevier Science BV | 2007-12-21The paper describes the different methods, used in the MAGIC experiment, to unfold experimental energy distributions of cosmic ray particles (gamma-rays). Questions and problems related to the unfolding are discussed. Various procedures are prop[...]![]()
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We regularize QCD using the combination of higher covariant derivatives and Pauli-Villars determinants proposed by Slavnov. It is known that for pure Yang-Mills theory the Pauli-Villars determinants generate unphysical logarithmic radiative corr[...]![]()
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Arganda, E. ; Arqueros Martínez, Fernando ; Blanco Ramos, Francisco ; García Pinto, Diego ; Ortiz Ramis, Montserrat ; Rosado Vélez, Jaime ; Vázquez Peñas, José Ramón | Elsevier Science BV | 2010-12Data collected by the Pierre Auger Observatory through 31 August 2007 showed evidence for anisotropy in the arrival directions of cosmic rays above the Greisen-Zatsepin-Kuz'min energy threshold, 6 x 10(19) eV. The anisotropy was measured by the [...]![]()
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Yélamos, Belén ; Núñez, Elena ; Gómez-Gutiérrez, Julián ; Delgado, Carmen ; Pacheco, Beatriz ; Peterson, Darrell L. ; Gavilanes, Francisco | Elsevier Science BV | 2001-03-09Circular dichroism and fluorescence spectroscopy have been employed to study the urea unfolding mechanism of a recombinant form of the major core protein of feline immunodeficiency virus (FIV-rp24) and its native tryptophan mutants. The equilibr[...]![]()
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Piquero Sanz, Gemma María ; Borghi, Riccardo ; Santarsiero, Massimo | Elsevier Science BV | 2001-07-15From a recently proposed technique, used to determine the modal weights of beams made up of incoherent superpositions of Hermite-Gaussian (PIG) modes, we derive the analytical expression of a family of functions which are biorthogonal to the squ[...]![]()
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A new family of test statistics based on Rényi's divergence is introduced for the hypothesis that the coefficients of variation of k normal populations are equal. A comparative simulation study is carried out concerning the size and power of the[...]![]()
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The empirical identification of bound states of gluons has remained a central goal of hadron spectroscopy. We suggest an experimentally challenging, but model-independent way to assess which zero charge, isospin-zero mesons have a large gluonium[...]![]()
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Noncommutative IR singularities and UV/IR mixing in relation with the Goldstone theorem for complex scalar field theory are investigated. The classical model has two coupling constants, lambda(1) and lambda(2), associated to the two noncommutati[...]![]()
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The infrared behaviour of vertex functions in an SU(N) Yang Mills theory in Landau gauge is investigated employing a skeleton expansion of the Dyson-Schwinger equations. The three- and four-gluon vertices become singular if and only if all exter[...]![]()
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González Herrera, Elvira María ; Anguita, J. V. ; Villegas, J. E. ; Vicent López, José Luis | Elsevier Science BV | 2003-05Ordered arrays of submicrometric Ni lines have been fabricated in sputtered Nb films. Magnetotransport R(H) and (I, V) curves were measured close to the critical temperature using a cross-shape bridge that allows us to apply current in two direc[...]![]()
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Godino Gómez, María Paz ; Barragán García, Vicenta María ; García Villaluenga, Juan Pedro ; Ruiz Bauzá, Carlos ; Seoane Rodríguez, Benjamín | Elsevier Science BV | 2006-09-29The mass flux originated when two methanol-water solutions of different methanol concentration are separated by a Nation 117 membrane in acid (H+) and different alkali metal forms (Li+, Na+, K+, Rb+, Cs+) have been measured, as a function of the[...]![]()
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Godino Gómez, María Paz ; Peña, Luis ; Mengual Cabezón, Juan Ignacio ; Rincón, C. | Elsevier Science BV | 1997-02The possibility of obtaining pure water by membrane distillation, from brines rejected in other water production operations has been considered. Membrane distillation experiments have been carried out by using two PTFE porous hydrophobic membran[...]![]()
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Llanes Estrada, Felipe José ; Guo, F.-K ; Hanhart, C ; Meißner, U.-G | Elsevier Science BV | 2011-09-20Hadron masses show a specific dependence on the quark masses. Therefore, the variation of these masses can cause a resonance in a hadronic scattering amplitude to become a bound state. Consequently, the amplitude exhibits a non analytic behavior[...]![]()
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Salcedo Sanz, S. ; García Herrera, R. ; Aybar Ruíz, A. ; Camacho Gómez, C. ; Alexandre, E. | Elsevier Science BV | 2018-10-15In this paper we deal with a problem of representative measuring points selection for long-term wind power analysis. It has direct applications such as wind farm prospective location or long-term power generation prediction in wind-based energy [...]![]()
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Polyethersulfone (PES) hollow fiber membranes were prepared by both wet spinning technique, without gas-gap, and dry/wet spinning technique under different gas-gaps, namely, air, oxygen, nitrogen, carbon dioxide, argon and humid air. All spinnin[...]