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22 papers · 1 filter
Jacobi structures on affine bundles
J. Grabowski, D. Iglesias, J. C. Marrero +2
We study affine Jacobi structures on an affine bundle , i.e. Jacobi brackets that close on affine functions. We prove that there is a one-to-one correspondence between af…
Fundamental parameters of Galactic luminous OB stars VI. Temperatures, masses and WLR of Cyg OB2 supergiants
A. Herrero, J. Puls, F. Najarro
We have analyzed six OB supergiants and one giant covering spectral types from O3 to B1 in the Galactic OB association Cyg OB2 by means of an updated version of FASTWIND (SAntolaya…
Density effects in a bulk binary Lennard-Jones system
Javier Hernandez-Rojas, David J. Wales
Properties of local minima as a function of density are studied in a binary Lennard-Jones system for kinetic equipartition temperatures (normal liquid), 0.5 (supercooled li…
Old stellar Galactic disc in near-plane regions according to 2MASS: scales, cut-off, flare and warp
M. Lopez-Corredoira, A. Cabrera-Lavers, F. Garzon +1
We have pursued two different methods to analyze the old stellar population near the Galactic plane, using data from the 2MASS survey. The first method is based on the isolation of…
Transient response of a quantum wave to an instantaneous potential step switching
F. Delgado, H. Cruz, J. G. Muga
The transient response of a stationary state of a quantum particle in a step potential to an instantaneous change in the step height (a simplified model for a sudden bias switch in…
An Upper Limit on the Temporal Variations of the Solar Interior Stratification
A. Eff-Darwich, S. G. Korzennik, S. J. Jimenez-Reyes +1
We have analyzed changes in the acoustic oscillation eigenfrequencies measured over the past 7 years by the GONG, MDI and LOWL instruments. The observations span the period from 19…