Results 11 to 20 of about 329 (58)

Phase Control of Nonadiabaticity-induced Quantum Chaos in An Optical Lattice [PDF]

, 2002
The qualitative nature (i.e. integrable vs. chaotic) of the translational dynamics of a three-level atom in an optical lattice is shown to be controllable by varying the relative laser phase of two standing wave lasers.
A. Aspect, A. Peres, B. G. Klappauf, D. A. Steck, D. L. Haycock, E. J. Heller, F. L. Moore, H. Ammann, H. Fujisaki, H. Schanz, J. C. Tully, J. Gong, J. Gong, J. Ringot, Jiangbin Gong, M. B. dArcy, M. Shapiro, Paul Brumer, R. Blümel, R. Dum, R. S. Dumont, R. Schack, S. A. Rice, S. K. Dutta, W. K. Hensinger   +24 more
core   +2 more sources

Disappearance of Quantum Chaos in Coupled Chaotic Quantum Dots

, 2010
Statistical properties of the single electron levels confined in the semiconductor (InAs/GaAs, Si/SiO2) double quantum dots (DQDs) are considered. We demonstrate that in the electronically coupled chaotic quantum dots the chaos with its level repulsion ...
Baranger, Baranger, Baranger, Bastard, Beenakker, Beenakker, Bimberg, Branislav Vlahovic, Brody, Bryant, Bryant, Filikhin, Filikhin, Filikhin, Igor Filikhin, Mehta, Ponomarenko, Sergei Matinyan, Whitney, Whitney, Whitney   +20 more
core   +1 more source

Enhancement of particle trapping in the wave-particle interaction

, 2007
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 the macro-particle, which is responsible for the oscillations of the intensity of the wave ...
Antoniazzi, Andrea, Bachelard, Romain, Chandre, Cristel, Fanelli, Duccio, Vittot, Michel   +4 more
core   +3 more sources

Public channel cryptography by synchronization of neural networks and chaotic maps

, 2003
Two different kinds of synchronization have been applied to cryptography: Synchronization of chaotic maps by one common external signal and synchronization of neural networks by mutual learning.
A. Pikovsky, C. P. Williams, D. R. Stinson, Einat Klein, I. Kanter, Ido Kanter, Rachel Mislovaty, W. Kinzel, Wolfgang Kinzel   +8 more
core   +1 more source

Elastic Enhancement Factor: from Mesoscopic Systems to Macroscopic Analogous Devices

, 2015
Excess of probabilities of elastic processes over inelastic ones is a characteristic feature of the chaotic resonance scattering predicted by the random matrix theory (RMT).
Sokolov, Valentin V., Zhirov, Oleg V.
core   +1 more source

Instability and Spatiotemporal Dynamics of Alternans in Paced Cardiac Tissue [PDF]

, 2001
We derive an equation that governs the spatiotemporal dynamics of small amplitude alternans in paced cardiac tissue. We show that a pattern-forming linear instability leads to the spontaneous formation of stationary or traveling waves whose nodes divide ...
A. Karma, A. Karma, A. Vinet, Alain Karma, Blas Echebarria, D. J. Christini, D. Noble, D. S. Rosenbaum, G. R. Mines, J. B. Nolasco, J. J. Fox, J. M. Pastore, K. Hall, K. L. Babcock, L. H. Frame, M. A. Watanabe, M. C. Cross, M. Courtemanche, M. R. Guevara, Z. Qu   +19 more
core   +3 more sources

Desynchronization of systems of coupled Hindmarsh-Rose oscillators [PDF]

, 2011
It is widely assumed that neural activity related to synchronous rhythms of large portions of neurons in specific locations of the brain is responsible for the pathology manifested in patients' uncontrolled tremor and other similar diseases.
Gjurchinovski, Aleksandar, Urumov, Viktor, Vasilkoski, Zlatko   +2 more
core   +1 more source

Response to sub-threshold stimulus is enhanced by spatially heterogeneous activity

, 2010
Sub-threshold stimuli cannot initiate excitations in active media, but surprisingly as we show in this paper, they can alter the time-evolution of spatially heterogeneous activity by modifying the recovery dynamics.
Jalife J., Keener J., Luo C. H., Prystowsky E. N., S. Sridhar, Sinha S., Sitabhra Sinha, Sridhar S., Sridhar S., ten Tusscher K. H. W. J.   +9 more
core   +1 more source

Generation of strongly chaotic beats

, 2007
The letter proposes a procedure for generation of strongly chaotic beats that have been hardly obtainable hitherto. The beats are generated in a nonlinear optical system governing second-harmonic generation of light.
I. ŚLIWA, K. GRYGIEL, Minorsky N., P. SZLACHETKA   +3 more
core   +1 more source

Delayed feedback as a means of control of noise-induced motion [PDF]

, 2004
Time--delayed feedback is exploited for controlling noise--induced motion in coherence resonance oscillators. Namely, under the proper choice of time delay, one can either increase or decrease the regularity of motion.
A. G. Balanov, E. Schöll, F. E. Dreifuss, J. K. Hale, N. B. Janson   +4 more
core   +2 more sources