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10 papers · 1 filter
Bifurcation and forced symmetry breaking in Hamiltonian systems
Féthi Grabsi, James Montaldi, Juan-Pablo Ortega
We consider the phenomenon of forced symmetry breaking in a symmetric Hamiltonian system on a symplectic manifold. In particular we study the persistence of an initial relative equ…
Quantum fluctuations and correlations of spatial scalar or multimode vector solitons in Kerr media
Eric Lantz, Thibaut Sylvestre, Herve Maillote +2
We apply the Green's function method to determine the global degree of squeezing and the transverse spatial distribution of quantum fluctuations of solitons in Kerr media. We show…
Role of Wood anomalies in optical properties of thin metallic films with a bidimensional array of subwavelength holes
Michael Sarrazin, Jean-Pol Vigneron, Jean-Marie Vigoureux
Recents works deal with the optical transmission on arrays of subwavelength holes in a metallic layer deposited on a dielectric substrate. Making the system as realistic as possibl…
Factoriality of q-Gaussian von Neumann algebras
Eric Ricard
We prove that the von Neumann algebras generated by -Gaussian elements, are factors for .
Relaxation channels of two-vibron bound states in α-helix proteins
Vincent J. C. Pouthier, Cyril Falvo
Relaxation channels for two-vibron bound states in an anharmonic alpha-helix protein are studied. It is pointed out that the relaxation originates in the interaction between the dr…
The relation between local and global dual pairs
James Montaldi, Juan-Pablo Ortega, Tudor S. Ratiu
In this note we clarify the relationship between the local and global definitions of dual pairs in Poisson geometry. It turns out that these are not equivalent. For the passage fro…