128 citations
- Centre National de la Recherche ScientifiqueFR33 papers
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- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR5 papers
- CEA Paris-SaclayFR4 papers
- Centrale MéditerranéeFR4 papers
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- Institut National de Physique Nucléaire et de Physique des ParticulesFR4 papers
- Sapienza University of RomeIT4 papers
7 papers · 1 filter
Enhancement of Exciton Emission from Zno Nanocrystalline Films by Pulsed Laser Annealing
Igor Ozerov, Madjid Arab, Viatcheslav I. Safarov +4
Pulsed ArF laser annealing in air and in hydrogen atmosphere improves the optical properties of ZnO nanostructured films. Independently on the ambient atmosphere, laser annealing p…
Cluster emission under femtosecond laser ablation of silicon
Alexander V. Bulgakov, Igor Ozerov, Wladimir Marine
Rich populations of clusters have been observed after femtosecond laser ablation of bulk silicon in vacuum. Size and velocity distributions of the clusters as well as their charge…
Dynamical properties of the Pascal adic transformation
Xavier Mela, Karl Petersen
We study the dynamics of a transformation that acts on infinite paths in the graph associated with Pascal's triangle. For each ergodic invariant measure the asymptotic law of the r…
Hitting times for special patterns in the symmetric exclusion process on Z^d
Amine Asselah, Paolo Dai Pra
We consider the symmetric exclusion process {η_t,t>0} on {0,1}^{Z^d}. We fix a pattern A:={η:\sum_Λη(i)\ge k}, where Λis a finite subset of Z^d and k is an integer, and we consider…
On the noise-induced passage through an unstable periodic orbit I: Two-level model
Nils Berglund, Barbara Gentz
We consider the problem of stochastic exit from a planar domain, whose boundary is an unstable periodic orbit, and which contains a stable periodic orbit. This problem arises when…
Quenched large deviations for one dimensional nonlinear filtering
E. Pardoux, O. Zeitouni
Consider the standard, one dimensional, nonlinear filtering problem for a diffusion processe observed in small additive white noise. Denote by the density of t…