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11 papers · 1 filter
On the characterization of algebraically integrable plane foliations
C. Galindo, F. Monserrat
We give a characterization theorem for non-degenerated plane foliations of degree different from 1 having a rational first integral. Moreover, we prove that the degree of a non…
Tuning the tunnel coupling of quantum dot molecules with longitudinal magnetic fields
Juan I. Climente
We show that the energy splitting between the bonding and antibonding molecular states of holes in vertically stacked quantum dots can be tuned using longitudinal magnetic fields.…
The Magnus expansion and some of its applications
S. Blanes, F. Casas, J. A. Oteo +1
Approximate resolution of linear systems of differential equations with varying coefficients is a recurrent problem shared by a number of scientific and engineering areas, ranging…
An efficient algorithm for computing the Baker-Campbell-Hausdorff series and some of its applications
Fernando Casas, Ander Murua
We provide a new algorithm for generating the Baker--Campbell--Hausdorff (BCH) series $Z = \log(\e^X \e^Y)$ in an arbitrary generalized Hall basis of the free Lie algebra $\mathcal…
Isospin phases of vertically coupled double quantum rings under the influence of perpendicular magnetic fields
M. Royo, F. Malet, M. Barranco +2
Vertically coupled double quantum rings submitted to a perpendicular magnetic field are addressed within the local spin-density functional theory. We describe the structure of…
Photoluminescence spectroscopy of trions in quantum dots: a theoretical description
Juan I. Climente, Andrea Bertoni, G. Goldoni
We present a full configuration interaction study of the spontaneous recombination of neutral and singly charged excitons (trions) in semiconductor quantum dots, from weak to stron…