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- Centre National de la Recherche ScientifiqueFR493 papers
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25 papers · 1 filter
Covariant fuzzy observables and coarse-graining
T. Heinonen, P. Lahti, K. Ylinen
A fuzzy observable is regarded as a smearing of a sharp observable, and the structure of covariant fuzzy observables is studied. It is shown that the covariant coarse-grainings of…
The cosmic evolution of quasar host galaxies
R. Falomo, J. K. Kotilainen, C. Pagani +2
We present near-infrared imaging of the host galaxies of 17 quasars in the redshift range 1 < z < 2, carried out at the ESO VLT UT1 8m telescope under excellent seeing conditions (…
Noise and disturbance in quantum mechanics
P. Busch, T. Heinonen, P. Lahti
The operational meaning of some measures of noise and disturbance in measurements is analyzed and their limitations are pointed out. The cases of minimal noise and least disturbanc…
A new two-dimensional lattice model that is "consistent around a cube"
Jarmo Hietarinta
For two-dimensional lattice equations one definition of integrability is that the model can be naturally and consistently extended to three dimensions, i.e., that it is "consistent…
Radiative collisional heating at the Doppler limit for laser-cooled magnesium atoms
J. Piilo, E. Lundh, K. -A. Suominen
We report Monte Carlo wave function simulation results on cold collisions between magnesium atoms in a strong red-detuned laser field. This is the normal situation e.g. in magneto-…
The very local Hubble flow: computer simulations of dynamical history
A. D. Chernin, I. D. Karachentsev, M. J. Valtonen +3
The phenomenon of the very local ( Mpc) Hubble flow is studied on the basis of the data of recent precision observations. A set of computer simulations is performed to trace…