Année 2010 :

Année 2009 :

Année 2008 :

  • R. Bachelard, C. Chandre, D. Fanelli, X. Leoncini and S. Ruffo, Abundance of Regular Orbits and Nonequilibrium Phase Transitions in ... , Phys. Rev. Lett. 101, 260603 (2008)   Get paper
      Abundance of regular orbits and out-of-equilibrium phase transitions in the thermodynamic limit for long-range systems: We investigate the dynamics of...

  • Romain Bachelard, Cristel Chandre, Duccio Fanelli, Xavier Leoncini, Michel Vittot, Stabilizing the intensity for a Hamiltonian model of the FEL, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 593, 1-2 (2008) 94-97   Get paper
      The intensity of an electromagnetic wave interacting self-consistently with a beam of charged particles, as in a Free Electron Laser, displays large...

  • , Chaos, Complexity and Transport: Theory and Applications, Chaos, Complexity and Transport: Theory and Applications. C. Chandre, X. Leoncini & G. M. Zaslavsky (Editors), World Scientific, (2008)   Get paper
      Short description: This book collects lecture notes and contributions presented during the CCT'07 conference (Marseilles June 2007). Areas covered range from...

  • Xavier Leoncini, Cristel Chandre, Ouerdia Ourrad, Ergodicité, collage et transport anomal, C. R. Mecanique 336 (2008)   Get paper
      Nous nous interessons à; la convergence vers sa moyenne spatiale ergodique de la moyenne temporelle d'une observable d'un flow hamiltonien à un...

  • R. Bachelard, A. Antoniazzi, C. Chandre, D. Fanelli, M. Vittot, Enhancement of particle trapping in the wave-particle interaction, Communications in Nonlinear Science and Numerical Simulation 13, 660 (2008)   Get paper
      The saturated dynamics of a Single-Pass Free Electron Laser is considered within a simplified mean-field approach. A method is proposed to increase the size of...

  • S. Huang, C. Chandre, T. Uzer, , Periodic orbit bifurcations as an ionization mechanism: the bichromatically driven hydrogen atom , J. Phys. B: At. Mol. Opt. Phys. 41, 035604 (2008)   Get paper
      We investigate the multiphoton ionization of hydrogen driven by a strong bichromatic microwave field. In a regime where classical and quantum simulations...

Année 2007 :

  • R. Bachelard, T. Benzekri, C. Chandre, X. Leoncini and M. Vittot, Targeted mixing in an array of alternating vortices, Phys. Rev. E 76 (2007) 046217   Get paper
      Transport and mixing properties of passive particles advected by an array of vortices are investigated. Starting from the integrable case, it is shown that a...

  • A. Macor, F. Doveil, C. Chandre, G. Ciraolo, R. Lima, M. Vittot, Channeling chaotic transport in a wave-particle experiment, Eur. Phys. J. D 41, 519 (2007)   Get paper
      A numerical and experimental study of a control method aimed at channeling chaos by building barriers in phase space is performed on a paradigm for...

  • G. Ciraolo, Ph. Ghendrih, Y. Sarazin, C. Chandre, R. Lima, M. Vittot, M. Pettini, Control of test particle transport in a turbulent electrostatic model of the Scrape Off Layer, J. Nucl. Mat. 363-365, 550 (2007)  
      The ExB drift motion of charged test particle dynamics in the Scrape-Off-Layer (SOL) is analyzed to investigate a transport control strategy based on...

  • S. Huang, C. Chandre, T. Uzer, How periodic orbit bifurcations drive multiphoton ionization, J. Phys. B: Atom. Mol. Opt. 40, F181 (2007)   Get paper
      The multiphoton ionization of hydrogen by a strong bichromatic microwave field is a complex process prototypical for atomic control research. Periodic orbit...

  • Romain Bachelard, Andrea Antoniazzi, Cristel Chandre, Duccio Fanelli, Xavier Leoncini, Michel Vittot, Stabilizing the intensity of a wave amplified by a beam of particles, Eur. Phys. Jour. D 42 (2007) 125   Get paper
      The intensity of an electromagnetic wave interacting self-consistently with a beam of charged particles as in a free electron laser, displays large...

Année 2006 :

Année 2005 :

  • C. Chandre, T. Uzer, Instantaneous frequencies of a chaotic system, Pramana J. Phys. 64, 371 (2005)   Get paper
      The structure and geometry of high-dimensional, complex dynamical sys- tems is usually hidden under a profusion of numerical data. We show that time-frequency...

  • T. Benzekri, C. Chandre, R. Lima, M. Vittot, A Hamiltonian system for interacting Benjamin–Feir resonances, J. Phys. A : Math. Gen. 38, 5381 (2005)   Get paper
      In this paper, we present a model describing the time evolution of twodimensional surface waves in gravity and infinite depth. The model of six interacting...

  • C. Chandre, T. Uzer, Instantaneous frequencies of a chaotic system, Pram. J. Phys. 64, 371 (2005)   Get paper
      The structure and geometry of high-dimensional, complex dynamical systems is usually hidden under a profusion of numerical data. We show that time-frequency...

  • C. Chandre, M. Vittot, Y. Elskens, G. Ciraolo, M. Pettini, Controlling chaos in area-preserving maps, Physica D 208, 131 (2005)   Get paper
      We describe a method of control of chaos that occurs in area-preserving maps. This method is based on small modifications of the original map by addition of a...

  • G. Ciraolo, C. Chandre, R. Lima, M. Vittot, M. Pettini, P. Ghendrih, Tailoring phase space : A way to control Hamiltonian transport, Europhys. Lett. 69, 879 (2005)   Get paper
      We present a method to control transport in Hamiltonian systems. We provide an algorithm - based on a perturbation of the original Hamiltonian localized in...

  • C. Chandre, G. Ciraolo, R. Lima, M. Vittot, Local control of Hamiltonian chaos, J. Phys. Conf. Series 7, 48 (2005)   Get paper
      We review a method of control for Hamiltonian systems which is able to create smooth invariant tori. This method of control is based on an apt modification of...

  • C. Chandre, G. Ciraolo, F. Doveil, R. Lima, A. Macor, M. Vittot, Channeling Chaos by Building Barriers, Phys. Rev. Lett. 94, 074101 (2005)   Get paper
      Chaotic diffusion often represents a severe obstacle for the setup of experiments, e.g., in fusion plasmas or particle accelerators. We present a complete test...

  • X. Leoncini, O. Agullo, S. Benkadda, G. M. Zaslavsky, Anomalous transport in Charney-Hasegawa-Mima flows, Phys. Rev. E, 72, 026218 (2005)   Get paper
      Transport properties of particles evolving in a system governed by the Charney-Hasegawa-Mima equation are investigated. Transport is found to be anomalous with...

Année 2004 :

Année 2003 :

  • C. Chandre, S. Wiggins, T. Uzer, Time-frequency analysis of chaotic systems, Physica D 181, 171 (2003)   Get paper
      We describe a method for analyzing the phase space structures of Hamiltonian systems. This method is based on a time-frequency decomposition of a trajectory...

  • Xavier Leoncini, George M. Zaslavsky, Chaotic Jets, Communications in Nonlinear Science and Numerical Simulation 8, 265 (2003)   Get paper
      The problem of characterizing the origin of the non-Gaussian properties of transport resulting from Hamiltonian dynamics is addressed. For this purpose the...

Année 2002 :

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Année 1990 :