Now showing items 150-169 of 794

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      Dark breathers in Klein-Gordon lattices. Band analysis of their stability properties  [Article]

      Álvarez Chillida, María Azucena; Archilla, Juan F. R.; Cuevas-Maraver, Jesús; Romero Romero, Francisco (2002)
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      Datación mediante radiocarbono de manuscritos medievales de la Universidad de Sevilla  [Article]

      Santos, F. Javier; Gómez Martínez, Isabel; García León, Manuel (2010)
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      Decay of metastable states: Mean relaxation time formulation  [Article]

      Drozdov, Alexander N.; Brey Abalo, José Javier (AIP Publishing, 1999-04)
      The mean relaxation time formalism introduced by Nadler and Schulten [J. Chem. Phys. 82, 151 (1985)] in their generalized moment expansion method is extended to a general diffusion process in arbitrary dimensions. The ...
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      Decoherence as a signature of an excited-state quantum phase transition  [Article]

      Relaño, Armando; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique; Pérez Fernández, Pedro (American Physical Society, 2008)
      We analyze the decoherence induced on a single qubit by the interaction with a two-level boson system with critical internal dynamics. We explore how the decoherence process is affected by the presence of quantum phase ...
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      Decoherence due to an excited-state quantum phase transition in a two-level boson model  [Article]

      Pérez Fernández, Pedro; Relaño, Armando; Arias Carrasco, José Miguel; Dukelsky, Jorge; García Ramos, José Enrique (American Physical Society, 2009)
      The decoherence induced on a single qubit by its interaction with the environment is studied. The environment is modeled as a scalar two-level boson system that can go through either first-order or continuous-excited-state ...
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      Delta-isobar relativistic meson exchange currents in quasielastic electron scattering  [Article]

      Barbaro, M. B.; Caballero Carretero, Juan Antonio; Amaro Soriano, José Enrique; Donnelly, T. W.; Molinari, A. (Elsevier, 2003)
      We study the role of the Δ-isobar current on the response functions for high energy inclusive quasielastic electron scattering from nuclei. We consider a general Lagrangian which is compatible with contact invariance and ...
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      Density dependence of 2p-2h meson-exchange currents  [Article]

      Amaro Soriano, José Enrique; Barbaro, M. B.; Caballero Carretero, Juan Antonio; de Pace, A.; Donnelly, T. W.; Megias, G. D.; Ruiz Simo, I. (American Physical Society, 2017-06-12)
      We analyze the density dependence of the contribution of meson-exchange currents to the lepton-nucleus inclusive cross section in the two-particle two-hole channel. The model is based on the relativistic Fermi gas, where ...
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      Density functional theory study of the nematic-isotropic transition in an hybrid cel  [Article]

      Rodríguez Ponce, Inmaculada; Romero Enrique, José Manuel; Rull Fernández, Luis Felipe (AIP Publishing, 2005)
      We have employed the density functional theory formalism to investigate the nematic–isotropic capillary transitions of a nematogen confined by walls that favor antagonist orientations to the liquid crystal molecules ...
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      Derivation of a Langevin equation in a system with multiple scales: the case of negative temperatures  [Article]

      Baldovin, Marco; Vulpiani, Ángelo; Puglisi, Andrea; Prados Montaño, Antonio (American Physical Society, 2019)
      We consider the problem of building a continuous stochastic model, i.e., a Langevin or Fokker-Planck equation, through a well-controlled coarse-graining procedure. Such a method usually involves the elimination of the fast ...
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      Describing resonances in a discrete basis  [Article]

      Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Physical Society, 2004-03-01)
      The problem of describing resonances when the continuum is represented by a discrete set of normalizable states is addressed. In particular, here the description of resonances in a transformed harmonic oscillator basis is ...
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      Description of the 11Li(p,d)10Li transfer reaction using structure overlaps from a full three-body model  [Article]

      Casal Berbel, Jesús; Gómez Ramos, Mario; Moro Muñoz, Antonio Matías (Elsevier, 2017)
      Recent data on the differential angular distribution for the transfer reaction 11Li(p,d)10Li at E/A=5.7 MeV in inverse kinematics are analyzed within the DWBA reaction framework, using the overlap functions calculated ...
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      Determination of the 12C nuclear density through heavy-ion elastic scattering experiments  [Article]

      Gasques, L. R.; Chamon, L. C.; Silva, Cecilia Pereira; Pereira, Dirceu C.L.; González Álvarez, Marcos Aurelio; Rossi, E. S.; Likhachev, V. P.; Carlson, Brett Vern; De Conti, Claudio (American Physical Society, 2002)
      Precise elastic scattering differential cross sections have been measured for the 12C158Ni,208Pb systems at sub-barrier energies. The corresponding bare potentials have been determined at interaction distances larger than ...
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      Determination of U isotopic ratios in environmental samples by ICP-MS  [Article]

      Uchida, Shigeo; García-Tenorio García-Balmaseda, Rafael; Tagami, Keiko; García León, Manuel (2000)
      Inductively coupled plasma mass spectrometry (ICP-MS) has been used for the determination of trace elements in a variety of materials. For uranium, the concentration of 238U can be measured with a detection limit of ...
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      Determining astrophysical three-body radiative capture reaction rates from inclusive Coulomb break-up measurements  [Article]

      Casal Berbel, Jesús; Rodríguez Gallardo, Manuela; Arias Carrasco, José Miguel; Gómez Camacho, Joaquín José (American Physical Society, 2016-04-12)
      A relationship between the Coulomb inclusive break-up probability and the radiative capture reaction rate for weakly bound three-body systems is established. This direct link provides a robust procedure to estimate the ...
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      DHalo nuclei follow rutherford elastic scattering at energies below the barrier? the case of 11Li  [Article]

      Fernández García, Juan Pablo; Rodríguez Gallardo, Manuela; González Álvarez, Marcos Aurelio; Moro Muñoz, Antonio Matías; Lay Valera, José Antonio; Cubero, M.; Acosta, Luis; Alcorta, Martín (American Physical Society, 2012-12-26)
      The first measurement of the elastic scattering of the halo nucleus 11Li and its core 9Li on 208Pb at energies near the Coulomb barrier is presented. The 11Li+208Pb elastic scattering shows a strong reduction with respect ...
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      Dipolar origin of the gas-liquid coexistence of the hard-core 1:1 electrolyte model  [Article]

      Romero Enrique, José Manuel; Rull Fernández, Luis Felipe; Panagiotopoulos, Athanassios Z. (American Physical Society, 2002)
      We present a systematic study of the effect of the ion pairing on the gas-liquid phase transition of hard-core 1:1 electrolyte models. We study a class of dipolar dimer models that depend on a parameter Rc , the ...
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      Direct reactions of weakly-bound nuclei within a one dimensional model  [Article]

      Moschini, Laura; Vitturi, Andrea; Moro Muñoz, Antonio Matías (Institute of Physics, 2018)
      A line of research has been developed to describe structure and dynamics of weakly-bound systems with one or more valence particles. To simplify the problem we are assuming particles moving in one dimension and, despite ...
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      Direct versus sequential four-particle transfer in heavy ion collisions with superfluid nuclei: Sn+Sn reaction  [Article]

      Dasso, Carlos Hugo; Lozano Leyva, Manuel Luis; Vitturi, Andrea (American Physical Society, 1988)
      The direct transfer of four nucleons in reactions with superfluid systems is compared with the feeding of the same final channel by a successive transfer of correlated nucleon pairs. A quantitative analysis is carried out ...
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      Discontinuities in the level density of small quantum dots under strong magnetic fields  [Article]

      González, Augusto; Capote, Roberto (American Physical Society, 2002)
      Exact diagonalization studies of the level density in a six-electron quantum dot under magnetic fields around 7 T ("filling factor" around 1/2) are reported. In any spin-polarization channel, two regimes are visible in the ...
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      Disentangling phase transitions and critical points in the proton-neutron interacting boson model by catastrophe theory  [Article]

      García Ramos, José Enrique; Arias Carrasco, José Miguel; Dukelsky, Jorge (Elsevier, 2014)
      We introduce the basic concepts of catastrophe theory needed to derive analytically the phase diagram of the proton–neutron interacting boson model (IBM-2). Previous studies [1–3] were based on numerical solutions. We here ...