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The main goal of this letter is the scaling analysis of multivalued interfaces showing anomalous height fluctuations. A model of two-fluid transport through porous media is studied by means of dynamical scaling techniques. When the displacement [...]texto impreso
Cathodoluminescence (CL) microscopy and spectroscopy have been used to investigate the nature and spatial distribution of defects and impurities in n-type epitaxial 4H-SiC. CL microscopy reveals the existence of 6H-SiC polytype inclusions, while[...]texto impreso
Gómez Nicola, Ángel ; Cortés, Santiago ; Morales, John ; Ruiz de Elvira Carrascal, Jacobo ; Torres Andrés, Ricardo | E D P Sciences | 2017We discuss recent advances on QCD chiral symmetry restoration at finite temperature, within the theoretical framework of Effective Theories. U(3) Ward Identities are derived between pseudoscalar susceptibilities and quark condensates, allowing t[...]texto impreso
The finding of Gravitational Waves (GW) by the aLIGO scientific and VIRGO collaborations opens opportunities to better test and understand strong interactions, both nuclear-hadronic and gravitational. Assuming General Relativity holds, one can c[...]texto impreso
An adiabatic piston, separating two granular gases prepared in the same macroscopic state, is found to eventually collapse to one of the sides. This new instability is explained by a simple macroscopic theory which is furthermore in qualitative [...]texto impreso
Rodríguez Parrondo, Juan Manuel ; Blanco, J. M. ; Cao García, Francisco Javier ; Brito, Ricardo | E D P Sciences | 1998-08-01The efficiency of different types of Brownian motors is calculated analytically and numerically. We find that motors based on flashing ratchets present a,low efficiency and an unavoidable entropy production. On the other hand, a certain class of[...]texto impreso
FeB and CrB pair reassociation kinetics in imperfect Si controlled by contactless lifetime scan maps
The kinetics of "metal-acceptor" pairing in boron-doped multicrystalline samples are investigated by means of contactless lifetime measurement. The case of FeB and CrB pairs is discussed and the influence of extended defect is evidenced for FeB.[...]texto impreso
González Herrera, Elvira María ; Montero, M. I. ; Cebollada, F. ; De Julián Fernández, C ; Vicent López, José Luis ; González, J. M. | E D P Sciences | 1998-04-01We analyze the magnetic properties of mechanically ground nanosized Ni particles dispersed in a SiO_2 matrix. Our magnetic characterization of the as-milled samples show the occurrence of two blocking processes and that of non-monotonic milling [...]texto impreso
In this talk I will very briefly comment on the major revision of the ? or f_0(500) meson in the Review of Particle Physics, driven by new data and rigorous dispersive studies. The long debate on the mass, width and very existence of this meson [...]texto impreso
Stefanis, N. G. ; Alexandrou, Constantia ; Tanja, Horn ; Moutarde, Herve ; Scimemi, Ignazio | E D P Sciences | 2017A survey is presented on the current status of 3D nucleon tomography. Several research frontiers are addressed that dominate modern physics from theory to current and future experiments. We have now a much more detailed spatial image of the nucl[...]texto impreso
Pennycook, T. J. ; Oxley, M. P. ; Garcia Barriocanal, Javier ; Bruno, F. Y. ; León Yebra, Carlos ; Santamaría Sánchez-Barriga, Jacobo ; Pantelides, S. T. ; Varela del Arco, María ; Pennycook, S. J. | E D P Sciences | 2011-06Colossal ionic conductivity was recently discovered in YSZ/SrTiO_(3) multilayers and was explained in terms of strain- and interface-enhanced disorder of the O sublattice. In the present paper we use a combination of scanning transmission electr[...]texto impreso
Total absorption gamma-ray spectroscopy is used to measure accurately the intensity of gamma emission from neutron-unbound states populated in the ?-decay of delayed-neutron emitters. From the comparison of this intensity with the intensity of n[...]texto impreso
Hidalgo Alcalde, Pedro ; Ottaviani, L. ; Idrissi, H. ; Lancin, M. ; Martinuzzi, S. ; Pichaud, B. | E D P Sciences | 2004-07Silicon Carbide (SiC) is a wide band gap semiconductor, having opto-electronic properties that are suitable for many applications. Some structural defects due to crystal growth and/or doping technologies are commonly present in the substrates of[...]texto impreso
Three observables of interest for present and future reactors depend on the beta decay properties of the fission products: antineutrinos from reactors, the reactor decay heat and delayed neutron emission. In these proceedings, we present new res[...]texto impreso
It is shown that the same phenomenological Newtonian model recently proposed, which accounts for the cosmological evolution of the fine-structure constant, suggests furthermore an explanation of the unmodelled acceleration a(P) similar or equal [...]
