Synchronization of Spatiotemporal Chaos: The regime of coupled Spatiotemporal IntermittencySynchronization of spatiotemporally chaotic extended systems is considered in the context of coupled one-dimensional Complex Ginzburg-Landau equations (CGLE). A regime of coupled spatiotemporal…A. Amengual, E. Hernandez-Garcia, R. Montagne et al.·Dec 5, 1996SaveLearn
Fractal Basins of Attraction Associated with a Damped Newton's MethodAn intriguing and unexpected result for students learning numerical analysis is that Newton's method, applied to the simple polynomial z3 - 1 = 0 in the complex plane, leads to intricately…Bogdan I. Epureanu, Henry S. Greenside·Dec 5, 1996SaveLearn
Stability ordering of cycle expansionsWe propose that cycle expansions be ordered with respect to stability rather than orbit length for many chaotic systems, particularly those exhibiting crises. This is illustrated with the strong…C. P. Dettmann, G. P. Morriss·Dec 5, 1996SaveLearn
Resonance Tunneling in Double-Well Billiards with a Pointlike ScattererThe coherent tunneling phenomenon is investigated in rectangular billiards divided into two domains by a classically unclimbable potential barrier. We show that by placing a pointlike scatterer…Taksu Cheon, T. Shigehara·Dec 4, 1996SaveLearn
Topological Dependence of Universal Correlations in Multi-Parameter HamiltoniansUniversality of correlation functions obtained in parametric random matrix theory is explored in a multi-parameter formalism, through the introduction of a diffusion matrix Dij(R), and compared…D. Mitchell, D. Kusnezov·Dec 3, 1996SaveLearn
Parametric statistics of zeros of Husimi representations of quantum chaotic eigenstates and random polynomialsLocal parametric statistics of zeros of Husimi representations of quantum eigenstates are introduced. It is conjectured that for a classically fully chaotic systems one should use the model of…Tomaz Prosen·Dec 3, 1996SaveLearn
Exact statistics of complex zeros for Gaussian random polynomials with real coefficientsk-point correlations of complex zeros for Gaussian ensembles of Random Polynomials of order N with Real Coefficients (GRPRC) are calculated exactly, following an approach of Hannay for the case of…Tomaz Prosen·Dec 3, 1996SaveLearn
Spatiotemporal Chaos in Large Systems: The Scaling of Complexity with SizeThe dynamics of a nonequilibrium system can become complex because the system has many components (e.g., a human brain), because the system is strongly driven from equilibrium (e.g., large…Henry S. Greenside·Dec 3, 1996SaveLearn
On the Integrability and Chaotic behaviour of an ecological modelA three species food chain model is studied analytically as well as numerically. Integrability of the model is studied using Painleve analysis while chaotic behaviour is studied using numerical…M. P. Joy·Dec 2, 1996SaveLearn
SRB states and nonequilibrium statistical mechanics close to equilibriumNonequilibrium statistical mechanics close to equilibrium is studied using SRB states and a formula for their derivatives with respect to parameters. We write general expressions for the…Giovannni Gallavotti, David Ruelle·Nov 29, 1996SaveLearn
Scalar transport in compressible flowTransport of scalar fields in compressible flow is investigated. The effective equations governing the transport at scales large compared to those of the advecting flow are derived by using…M. Vergassola, M. Avellaneda·Nov 29, 1996SaveLearn
Nonuniversality in level dynamicsStatistical properties of parametric motion in ensembles of Hermitian banded random matrices are studied. We analyze the distribution of level velocities and level curvatures as well as their…Paweł Kunstman, Karol Życzkowski, Jakub Zakrzewski·Nov 28, 1996SaveLearn
Critical and Supercritical Dynamics of Quasiperiodic SystemsThe almost periodic eigenvalue problem described by the Harper equation is connected to other classes of quasiperiodic behaviour: the dissipative dynamics on critical invariant tori and…Jukka A. Ketoja, Indubala I. Satija·Nov 28, 1996SaveLearn
Normal and Anomalous Diffusion in a Deterministic Area-preserving MapChaotic deterministic dynamics of a particle can give rise to diffusive Brownian motion. In this paper, we compute analytically the diffusion coefficient for a particular two-dimensional stochastic…P. Leboeuf·Nov 27, 1996SaveLearn
Quantization of generic chaotic 3D billiard with smooth boundary II: structure of high-lying eigenstatesThis is the first survey of highly excited eigenstates of a chaotic 3D billiard. We introduce a strongly chaotic 3D billiard with a smooth boundary and we manage to calculate accurate eigenstates…Tomaz Prosen·Nov 27, 1996SaveLearn
Quantization of generic chaotic 3D billiard with smooth boundary I: energy level statisticNumerical calculation and analysis of extremely high-lying energy spectra, containing thousands of levels with sequential quantum number up to 62,000 per symmetry class, of a generic chaotic 3D…Tomaz Prosen·Nov 27, 1996SaveLearn
Unified Model for The Study of Diffusion Localization and DissipationA new model that generalizes the study of quantum Brownian motion (BM) is constructed. We consider disordered environment that may be either static (quenched), noisy or dynamical. The…Doron Cohen·Nov 25, 1996SaveLearn
Computing Lyapunov spectra with continuous Gram-Schmidt orthonormalizationWe present a straightforward and reliable continuous method for computing the full or a partial Lyapunov spectrum associated with a dynamical system specified by a set of differential equations. We…Freddy Christiansen, Hans Henrik Rugh·Nov 25, 1996SaveLearn
On the Mechanism of Time--Delayed Feedback ControlThe Pyragas method for controlling chaos is investigated in detail from the experimental as well as theoretical point of view. We show by an analytical stability analysis that the revolution around…Wolfram Just, Thomas Bernard, Matthias Ostheimer et al.·Nov 22, 1996SaveLearn
Bifractality of the Devil's staircase appearing in the Burgers equation with Brownian initial velocityIt is shown that the inverse Lagrangian map for the solution of the Burgers equation (in the inviscid limit) with Brownian initial velocity presents a bifractality (phase transition) similar to that…E. Aurell, U. Frisch, A. Noullez et al.·Nov 20, 1996SaveLearn
Geometric dynamical observables in rare gas crystalsWe present a detailed description of how a differential geometric approach to Hamiltonian dynamics can be used for determining the existence of a crossover between different dynamical regimes in a…Lapo Casetti, Alessandro Macchi·Nov 20, 1996SaveLearn
Penumbra diffraction in the quantization of concave billiardsThe semiclassical description of billiard spectra is extended to include the diffractive contributions from orbits which are nearly tangent to a concave part of the boundary. The leading correction…Harel Primack, Holger Schanz, Uzy Smilansky et al.·Nov 19, 1996SaveLearn
Supersymmetric quantum mechanics based on higher excited statesWe generalize the formalism and the techniques of the supersymmetric (susy) quantum mechanics to the cases where the superpotential is generated/defined by higher excited eigenstates. The…Marko Robnik·Nov 18, 1996SaveLearn
Passive Scalar: Scaling Exponents and RealizabilityAn isotropic passive scalar field T advected by a rapidly-varying velocity field is studied. The tail of the probability distribution P(θ,r) for the difference θ in T across an inertial-range…Robert H. Kraichnan·Nov 16, 1996SaveLearn
Semiclassical Transition from an Elliptical to an Oval BilliardSemiclassical approximations often involve the use of stationary phase approximations. This method can be applied when is small in comparison to relevant actions or action differences in the…Martin Sieber·Nov 14, 1996SaveLearn