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12 papers · 1 filter
Quantum Resonances and Regularity Islands in Quantum Maps
V. V. Sokolov, O. V. Zhirov, D. Alonso +1
We study analytically as well as numerically the dynamics of a quantum map near a quantum resonance of an order q. The map is embedded into a continuous unitary transformation gene…
Time-of-arrival distributions from position-momentum and energy-time joint measurements
A. D. Baute, I. L. Egusquiza, J. G. Muga +1
The position-momentum quasi-distribution obtained from an Arthurs and Kelly joint measurement model is used to obtain indirectly an ``operational'' time-of-arrival (TOA) distributi…
Inversion of stellar statistics equation for the Galactic Bulge
M. Lopez-Corredoira, P. L. Hammersley, F. Garzon +2
A method based on Lucy (1974, AJ 79, 745) iterative algorithm is developed to invert the equation of stellar statistics for the Galactic bulge and is then applied to the K-band sta…
Quantum Resonances of Kicked Rotor and SU(q) group
V. V. Sokolov, O. V. Zhirov, D. Alonso +1
The quantum kicked rotor (QKR) map is embedded into a continuous unitary transformation generated by a time-independent quasi-Hamiltonian. In some vicinity of a quantum resonance o…
Leibniz algebroid associated with a Nambu-Poisson structure
R. Ibanez, M. de Leon, J. C. Marrero +1
The notion of Leibniz algebroid is introduced, and it is shown that each Nambu-Poisson manifold has associated a canonical Leibniz algebroid. This fact permits to define the modula…
Structure in the First Quadrant of the Galaxy: an Analysis of "TMGS" Star Counts using the "SKY" Model
P. L. Hammersley, M. Cohen, F. Garzon +2
We analyse the stellar content of almost 300 deg^2 of the sky close to the Galactic plane by directly comparing the predictions of the SKY model (Cohen 1994,1995; Wainscoat et al.…