Literatura científica selecionada sobre o tema "Effets magnétiques induits par la lumière"
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Artigos de revistas sobre o assunto "Effets magnétiques induits par la lumière":
Melançon, Robert. "Journal, atelier, recueil". Dossier 20, n.º 1 (29 de agosto de 2006): 26–40. http://dx.doi.org/10.7202/201136ar.
Piton, Guillaume, Simon Carladous, Olivier Marco, Didier Richard, Frédéric Liebault, Alain Recking, Yann Queffelean e Jean-Marc Tacnet. "Usage des ouvrages de correction torrentielle et plages de dépôt : origine, état des lieux, perspectives". La Houille Blanche, n.º 1 (fevereiro de 2019): 56–67. http://dx.doi.org/10.1051/lhb/2019008.
Agbohessi, Prudencio, e Ibrahim Imorou Toko. "Effets toxiques des herbicides à base du glyphosate sur les poissons et autres animaux aquatiques : approche bibliographique". International Journal of Biological and Chemical Sciences 15, n.º 6 (23 de fevereiro de 2022): 2685–700. http://dx.doi.org/10.4314/ijbcs.v15i6.33.
Teses / dissertações sobre o assunto "Effets magnétiques induits par la lumière":
Real, Elgueda Bastián Maximiliano. "Transport and driven-dissipative localization in exciton-polariton lattices". Electronic Thesis or Diss., Université de Lille (2022-....), 2022. http://www.theses.fr/2022ULILR025.
The simulation of lattice Hamiltonians in photonic platforms has been enlightening in the understanding of novel transport and localization properties in the context of solid-state physics. In particular, exciton-polaritons provide a versatile system to investigate these properties in lattices with intriguing band structures in the presence of gain and loss, and particle interactions. Polaritons are hybrid light-matter quasiparticles arising from the strong coupling between photons and excitons in semiconductor microcavities, whose properties can be directly accessed in photoluminescence experiments. In this thesis, we firstly study the features of strained honeycomb lattices made of coupled polariton resonators having high photonic content. In a critically strained lattice, we evidence both a semi-Dirac transport and an anisotropic localization of photons. Secondly, we show that a judicious driving in lattices of lossy resonators allows the appearance of novel localized modes. Using polariton lattices driven resonantly with several optical beams, we demonstrate the localization of light in at-will geometries down to a single site. Finally, we take advantage of the polarization-dependent polariton interaction to demonstrate an optical Zeeman-like effect in a single micropillar. In combination with optical spin-orbit coupling inherent to semiconductor microstructures, the interaction-induced Zeeman effect results in emission of vortex beams with a well-defined chirality. This thesis brings to light the power of polariton platforms to study lattice Hamiltonians with unprecedented properties and it also provides a first step towards the fully-optical generation of topological phases in lattices
Dupuis, Guillaume. "Couleur de la matière picturale : caractérisation des pigments et des mélanges de pigments, effets induits par l'adjonction de liant et de charges". Phd thesis, Université Paris Sud - Paris XI, 2004. http://tel.archives-ouvertes.fr/tel-00010271.
Puthumpally, Joseph Raijumon. "Quantum Interferences in the Dynamics of Atoms and Molecules in Electromagnetic Fields". Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLS035/document.
Quantum interference, coherent superposition of quantum states, are widely used for the understanding and engineering of the quantum world. In this thesis, two distinct problems that are rooted in quantum interference are discussed with their potential applications: 1. Laser induced electron diffraction (LIED) and molecular orbital imaging, 2. Collective effects in dense vapors and dipole induced electromagnetic transparency (DIET). The first part deals with the recollision mechanism in molecules when the system is exposed to high intensity infrared laser fields. The interaction with the intense field will tunnel ionize the system, creating an electron wave packet in the continuum. This wave packet follows an oscillatory trajectory driven by the laser field. This results in a collision with the parent ion from which the wave packet was formed. This scattering process can end up in different channels including either inelastic scattering resulting in high harmonic generation (HHG) and non-sequential double ionization, or elastic scattering often called laser induced electron diffraction. LIED carries information about the molecule and about the initial state from which the electron was born as diffraction patterns formed due to the interference between different diffraction pathways. In this project, a method is developed for imaging molecular orbitals relying on scattered photoelectron spectra obtained via LIED. It is based on the fact that the scattering wave function keeps the memory of the object from which it has been scattered. An analytical model based on the strong field approximation (SFA) is developed for linear molecules and applied to the HOMO and HOMO-1 molecular orbitals of carbon dioxide. Extraction of orbital information imprinted in the photoelectron spectra is presented in detail. It is anticipated that it could be extended to image the electro-nuclear dynamics of such systems. The second part of the thesis deals with collective effects in dense atomic or molecular vapors. The action of light on the vapor samples creates dipoles which oscillate and produce secondary electro-magnetic waves. When the constituent particles are close enough and exposed to a common exciting field, the induced dipoles can affect one another, setting up a correlation which forbids them from responding independently towards the external field. The result is a cooperative response leading to effects unique to such systems which include Dicke narrowing, superradiance, Lorentz-Lorenz and Lamb shifts. To this list of collective effects, one more candidate has been added, which is revealed during this study: an induced transparency in the sample. This transparency, induced by dipole-dipole interactions, is named “dipole-induced electromagnetic transparency”. The collective nature of the dense vapor excitation reduces the group velocity of the transmitted light to a few tens of meter per second resulting in 'slow' light. These effects are demonstrated for the D1 transitions of 85Rb and other potential applications are also discussed