Nonlinear Coherent Structures in Physics and Biology: Proceedings of the 7th Interdisciplinary Workshop Held at Dijon, France, 4–6 June 1991

Equations of motion for vortices in 2-D easy-plane magnets....Pages 1-14
Central peak signatures from vortices in 2D easy-plane antiferromagnets....Pages 15-22
Free vortices in the quasi-two dimensional XY antiferromagnet BaNl2(PO 4 ) 2 ?....Pages 23-29
The electric resistivity of a magnetic semiconductor with easy-axis of anisotropy populated by magnon solitons....Pages 30-35
Thermodynamics of quantum spin chains....Pages 36-43
Dissipative superluminous Brillouin solitons in an optical-fiber ring cavity....Pages 44-51
Polarisation fluctuations in nonlinear optical fibres....Pages 52-59
Stochastic dynamics of spatial solitons on the periodic interface of two nonlinear media....Pages 60-68
Conversion of ultrashort optical solitons in the fibre-optical loop....Pages 69-76
Dynamics of breather modes in a nonlinear “helicoidal” model of DNA....Pages 77-86
Equilibrium and nonequilibrium statistical mechanics of a nonlinear model of DNA....Pages 87-94
A simple model of DNA dynamics....Pages 95-100
Anomalous vibrational modes in acetanilide: a F.D.S. incoherent inelastic neutron scattering study....Pages 101-109
Nonlinear excitations in a quantum dimer....Pages 110-117
Kinks in disordered conjugated polymers....Pages 118-125
A discrete selftrapping equation model for Scheibe aggregates....Pages 126-132
Computer simulation of cardiac arrhythmias and of defibrillating electric shocks. Effects of antiarrhythmic drugs....Pages 133-140
Numerical studies of solitons on lattices....Pages 141-150
A symplectic solder for lattice equations....Pages 151-158
Solitary wave solutions to the discrete nonlinear Schrödinger equation....Pages 159-167
Asymptotic bi-soliton in diatomic chains....Pages 168-178
Nonlinear dynamics of localized structures and proton transfer in a hydrogen-bonded chain model including dipole interactions....Pages 179-186
Resonant states in the propagation of waves in a periodic, non-linear medium....Pages 187-194
GAP solitons in 1D asymmetric physical systems....Pages 195-202
Evidence of energy diffusion in pure anharmonic disordered chains....Pages 203-208
A numerical venture into the menagerie of coherent structures of a generalized Boussinesq equation....Pages 209-216
Self-organization and nonlinear dynamics with spatially coherent structures....Pages 217-226
Modulational instability and two-dimensional dynamical structures....Pages 227-233
Competitive interactions and 2-D structures at finite temperatures....Pages 234-241
Interactions of solitons in (2+1) dimensions....Pages 242-249
Spiral waves in excitable media....Pages 250-257
Kadomtsev-Petviashvili and (2+1)-dimensional burgers equations in the Bénard problem....Pages 258-266
Non-linearity and coherence in models of superconductivity....Pages 267-276
Chaotic polaronic and bipolaronic states in coupled electron-phonon systems....Pages 277-283
Chaotic motion of solitons in the PDE model of long Josephson junctions....Pages 284-291
Nonlinear structure of phase motion from the study of differential equations near resonant tori....Pages 292-301
Noise induced bifurcations in simple nonlinear models....Pages 302-309
Coherent behaviour of single degrees of freedom in an order-to-chaos transition....Pages 310-317
Dissipation in Quantum Field Theory....Pages 318-325
Coherence and Quantum Groups....Pages 326-331
Exact periodic solutions for a class of multispeed discrete Boltzmann models....Pages 332-339
Collective coordinates by a variational approach: Problems for sine Gordon and ϕ 4 models....Pages 341-350
Exact solution of the perturbed sine-Gordon breather problem....Pages 351-358
Numerical results concerning the generalized Zakharov system....Pages 359-366
Resonances in nonlinear Klein-Gordon kink scattering by impurities....Pages 367-374
Resonant kink-impurity interactions....Pages 375-382
Localized self-similar structures for a coupled nls equation: An approximate analysis....Pages 383-390
Searching for solitons with a direct binary operator method....Pages 391-397
The inverse problem of dynamics for the nonlinear Klein-Gordon equation. Pulsons and bubbles in the models with logarithmic nonlinearities....Pages 398-398