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11 papers · 1 filter
Structure and Bonding in Small Neutral Alkali-Halide Clusters
A. Aguado, A. Ayuela, J. M. Lopez +1
The structural and bonding properties of small neutral alkali-halide clusters (AX)n, with n less than or equal to 10, A=Li, Na, K, Rb and X=F, Cl, Br, I, are studied using the ab i…
Bicrossproduct structure of the null-plane quantum Poincare algebra
Oscar Arratia, Francisco J. Herranz, Mariano A. del Olmo
A nonlinear change of basis allows to show that the non-standard quantum deformation of the (3+1) Poincare algebra has a bicrossproduct structure. Quantum universal R-matrix, Pauli…
Structural and Electronic Properties of Small Neutral (MgO)n Clusters
E. de la Puente, A. Aguado, A. Ayuela +1
Ab initio Perturbed Ion (PI) calculations are reported for neutral stoichiometric (MgO)n clusters (n<14). An extensive number of isomer structures was identified and studied. For t…
Comparison of the Spherical Averaged Pseudopotential Model with the Stabilized Jellium Model
Armando Vieira, M. Begona Torres, Carlos Fiolhais +1
We compare Kohn-Sham results (density, cohesive energy, size and effect of charging) of the Spherical Averaged Pseudopotential Model with the Stabilized Jellium Model for clusters…
Theoretical Study of Small (NaI)n Clusters
A. Aguado, A. Ayuela, J. M. Lopez +1
A systematic theoretical study of stoichiometric clusters (NaI)n up to n=15 is performed using the ab initio Perturbed-Ion (PI) model. The structures obtained are compared to previ…
Gamow-Jordan Vectors and Non-Reducible Density Operators from Higher Order S-Matrix Poles
A. Bohm, M. Loewe, S. Maxson +3
In analogy to Gamow vectors that are obtained from first order resonance poles of the S-matrix, one can also define higher order Gamow vectors which are derived from higher order p…