Helvetica Physica Acta

Heading Page PDF
Volume 65 (1992) 1
Issue 1 1
Article: Complete sets of compatible non selfadjoint observables 1 Download as PDF
Article: Asymptotic expansion of the Stark-Wannier states 11 Download as PDF
Article: Perturbative renormalization and effective Langrangians in Φ^4_4 32 Download as PDF
Article: Unitary time evolution for irregular external field problems 53 Download as PDF
Article: Diffusive repair for the Ginzburg-Landau equation 56 Download as PDF
Article: Stability of needle-crystals in the symmetric model of solidification 93 Download as PDF
Association News: Rapport de la réunion d'automne de la SSP 109 Download as PDF
Issue 2-3 131
Article: Facts and fantasies in FQHE theory 133 Download as PDF
Article: Two recent experiments on the fractional quantized Hall effect 143 Download as PDF
Article: Edge voltages and distributed currents in the quantum Hall effect 151 Download as PDF
Article: Edge states in the quantum Hall effect as generalized fermi surface singularities 152 Download as PDF
Article: Surface acoustic wave studies of the fractional quantum Hall regime 153 Download as PDF
Article: Quantum Hall effect without Landau quantization 164 Download as PDF
Article: Theories of superconductivity (a few remarks) 173 Download as PDF
Article: Two-dimensional superconductivity in ultrathin disordered thin films 187 Download as PDF
Article: Quenching of superconductivity in disordered thin films by phase fluctuations 197 Download as PDF
Article: Superconductivity in quasi-two-dimensional systems : theoretical aspects 205 Download as PDF
Article: Superlattices of hits cuprates : investigations of 2D ultrathin layers and the crossover to 3D anisotropic films 215 Download as PDF
Article: Anyons in the quantized Hall effect and in models of high temperature superconductors 218 Download as PDF
Article: Josephson junction arrays and superconducting wire networks 219 Download as PDF
Article: Charge-vortex duality in Josephson junction arrays 228 Download as PDF
Article: The flux-phase problem on planar lattices 247 Download as PDF
Article: SO(4) symmetry of the Hubbard model and its experimantal consequences 256 Download as PDF
Article: Quantum-Monte-Carlo studies of superconductivity in strongly correlated systems 257 Download as PDF
Article: Exact diagonalization studies of 2D quantum models 268 Download as PDF
Article: Quantum Monte Carlo simulations : algorithms, limitations and applications 278 Download as PDF
Article: Conformal field theory and statistical mechanics 289 Download as PDF
Article: Mathematical survey of some two dimensional dynamical systems 290 Download as PDF
Article: Statistical mechanics on a 2D-random surface 291 Download as PDF
Article: Experiments on melting in classical and quantum two dimensional electron systems 297 Download as PDF
Article: After-dinner speech on board the ship "Ville de Neuchâtel" 307 Download as PDF
Article: Point-contact spectroscopy on tunable constrictions in GaAs 313 Download as PDF
Article: Violation of Ehrenfest's theorem in particle dynamics of quantum Hall systems 315 Download as PDF
Article: Multifractality and scaling in disordered 2-D Landau levels 317 Download as PDF
Article: Hysteresis effects in mesoscopic rings in the quantum Hall regime 319 Download as PDF
Article: Quantum fluctuations in the transmission of a ballistic metallic constriction 321 Download as PDF
Article: Excitonic recombination of Donor bound excitons in selectively doped MQW under high magnetic fields 323 Download as PDF
Article: The magnetoconductance of the 2d systems of electrons on liquid helium in the extreme quantum limit 325 Download as PDF
Article: Quenching of the Hall effect in two dimensional narrow systems 327 Download as PDF
Article: Exchange and polariton effects for excitons in Al_1-xGa_xAs-GaAs quantum wells 329 Download as PDF
Article: Imaging the current distribution in the quantum Hall effect 331 Download as PDF
Article: Electron phonon interactions in a disordered 2d electron gas in a magnetic field 333 Download as PDF
Article: Coulomb blockade in a 2d electron gas 335 Download as PDF
Article: Incompressible quantum liquid versus two-dimensional electron solid 337 Download as PDF
Article: Two-dimensional channel from Ga_0.65Al_0.35As-GaAs undoped heterojunction 339 Download as PDF
Article: The role of edge currents in dissipative transport at strong magnetic fields 341 Download as PDF
Article: Resonant Raman scattering in quantum wells under high magnetic fields 343 Download as PDF
Article: FQHE in the disk geometry : exact diagonalization for few electrons and extrapolation to the bulk limit 345 Download as PDF
Article: Determination of electron exchange energy in a 2DES by nuclear magnetic relaxation 347 Download as PDF
Article: On the theory of kinetic properties of perfect two-dimensional conducting systems 349 Download as PDF
Article: Hydrodynamic effects in electric conductivity of two dimensional metals 351 Download as PDF
Article: Magnetotransport in 2D system in parallel and tilted magnetic fields 353 Download as PDF
Article: Theory of 2D conductivity in almost parallel magnetic fields : the role of the third dimension 355 Download as PDF
Article: Current dependence of the Shubnikov-de Haas peaks in GaAs - Al_xGa_1-xAs heterostructures 357 Download as PDF
Article: Non-locality of the gapless plasma excitations in the QHE 359 Download as PDF
Article: Universal dependence of eigenvectors of tight-binding models on Bloch momenta 361 Download as PDF
Article: Plasmaron excitation in a 2D electron gas 363 Download as PDF
Article: Magnetically catalyzed superconductivity in 2D 367 Download as PDF
Article: What symmetry is broken in the superconductor - normal phase transition? 369 Download as PDF
Article: The effects of inherent bond disorder on the rf properties of SNS Josephson junction arrays 371 Download as PDF
Article: Self-field effects and subharmonic Shapiro steps in Josephson junction arrays 373 Download as PDF
Article: Vortex motion in type II superconductors of reduced dimensionality 375 Download as PDF
Article: Charge dynamics in junction arrays 379 Download as PDF
Article: Quantum phase transitions in Josephson junction arrays 381 Download as PDF
Article: Propagating vortex beams in Josephson-junction arrays 383 Download as PDF
Article: Observing an Ising transition in Josephson-junction arrays 385 Download as PDF
Article: Optical response of CuO_2-plane and CuO-chain in YBaCuO 387 Download as PDF
Article: Zero applied force magnetic flux noise in Josephson junction arrays 389 Download as PDF
Article: Vortex dynamics in superconducting fractal networks 391 Download as PDF
Article: Two-dimensional electron localization in bulk single crystals of Bi_2Sr_2Ca_1-xY_xCu_2O_8 393 Download as PDF
Article: Giant tunneling anisotropy of a high temperature superconductor 395 Download as PDF
Article: Imaging the current density in superconducting thin films 397 Download as PDF
Article: Flux creep : the stochastic approach 399 Download as PDF
Article: Temperature dependence of critical current and activation energy due to layered structure in oxide superconductors 402 Download as PDF
Article: 2D de Haas-van Alphen effect in the superconducting state 404 Download as PDF
Article: Experimental investigation of two-dimensional arrays of ultrasmall Josephson junctions 406 Download as PDF
Article: Crossover from three- to two-dimensional behavior of the vortex energies in layered XY-models for high T_c superconductors 408 Download as PDF
Article: Nonperturbatively renormalizable quantum field theories in 2+1 dimensions 411 Download as PDF
Article: Anharmonic phonons and electronic correlations in high-T_c superconductors : a quantum Monte Carlo study 413 Download as PDF
Article: Corrections to fermi liquid behaviour in D=2 : DOS 415 Download as PDF
Article: Monte Carlo simulation of the 1D-quantum roughening model : evidence of a KTB transition 417 Download as PDF
Article: Dynamics of spin and charge fluctuations in a t-J model 419 Download as PDF
Article: Dynamics of charge carriers in 2-D quantum antiferromagnets 421 Download as PDF
Article: Slave Boson approach to magnetic order in the Hubbard model 423 Download as PDF
Article: Critical behaviour at the metal-insulator transition in 2D systems with spin orbit scattering 425 Download as PDF
Article: SO(3)-σ model of doped two-dimensional spin 1/2 Heisenberg antiferromagnet 427 Download as PDF
Article: Order and fluctuations in coupled XY planes 429 Download as PDF
Article: Single-particle spectrum for high-T_c superconductors : a numerical study 431 Download as PDF
Article: Conserving approximation for the multi-band Hubbard model 433 Download as PDF
Article: Finite-size effects in the negative U Hubbard model 435 Download as PDF
Article: Ground state phase diagram of the two-dimensional Kondo lattice 437 Download as PDF
Article: Numerical study of a projected Hubbard model 439 Download as PDF
Article: The phase diagram of the Haldane chain mapped onto the surface roughening problem 441 Download as PDF
Article: Lyapunov exponents of the Schrödinger equation with quasi-periodic potential on a strip 443 Download as PDF
Article: Singular dynamics of a fermion coupled to the planar antiferromagnet 446 Download as PDF
Article: Antiferromagnets in 2 + ε dimensions 448 Download as PDF
Article: Superconductivity of the mixed s and d-type symmetry in the t-J model 450 Download as PDF
Article: The hole excitation spectrum in CuO_2 plane 452 Download as PDF
Article: Magnetic properties of the Hubbard model with infinite interaction 454 Download as PDF
Article: Resonance (surface) phonon transport through point contacts 456 Download as PDF
Article: Low temperature properties of two dimensional frustrated quantum antiferromagnets 458 Download as PDF
Article: Kinetic roughening in molecular-beam epitaxy 463 Download as PDF
Article: Two-dimensional spin systems in a magnetic field close to criticality 465 Download as PDF
Article: Vortex and domain wall dynamics of 2d-XY model with in-plane magnetic field 467 Download as PDF
Article: Jones polynomial and the Potts model 469 Download as PDF
Article: Dynamics of defects near melting of classical 2D electrons 471 Download as PDF
Article: Two-dimensional melting of hexatic magnetic bubble arrays 473 Download as PDF
Article: Statistical properties of 2D periodic Lorentz gas with infinite horizon 475 Download as PDF
Article: Is the Kosterlitz-Thouless transition 'exotic'? 477 Download as PDF
Article: Vortices : collective variables for turbulence in Josephson arrays 479 Download as PDF
Article: Frustrated XY model : continuity of the ground state energy in function of the frustration 482 Download as PDF
Article: Crossover from two to three dimensions in the layered xy-model 484 Download as PDF
Article: High resolution photoemission investigation of phase transitions in 1T-TaS_2 486 Download as PDF
Article: Superconducting vortices and the two-dimensional electron gas 488 Download as PDF
Article: One electron dimple on a thin helium film 490 Download as PDF
Article: Destruction of superconductivity in Josephson junction arrays by positional disorder 492 Download as PDF
Article: Chaotic dynamics of fluxons in large-area Josephson junctions 494 Download as PDF
Article: Soliton mechanism of optical anisotropy photoinduction in layered molecular structures 497 Download as PDF
Article: Vortex corrections to the SCHA in the 2D-XY model 499 Download as PDF
Article: Long-time dynamics of two-dimensional fluid binary mixture in cellular automata models 501 Download as PDF
Index: Index of authors 503 Download as PDF
Issue 4 505
Article: Subordinacy and spectral theory for infinite matrices 505 Download as PDF
Article: Perturbation theory for time dependent hamiltonians : rigorous reduction theory 528 Download as PDF
Article: Heisenberg antiferromagnet on triangulated trees 560 Download as PDF
Article: Critical points of the "entropy"-like functional for the quantum distribution functions 596 Download as PDF
Article: Antinucleon-nucleon scattering formalism and possible tests of CPT invariance 611 Download as PDF
Issue 5 641
Article: Classical theories, atomicity and nonclassical theories 641 Download as PDF
Article: Finite temperature Schwinger model 652 Download as PDF
Article: An infinite volume expansion for many fermion Green's functions 679 Download as PDF
Article: Approximation semi-classique du propagateur d'un système électromagnétique et phénomène de Aharonov-Bohm 722 Download as PDF
Article: Semiclassical expansions of the thermodynamic limit for a Schrödinger equation. II, The double well case 748 Download as PDF
Issue 6 767
Article: Instability of SU(2) Einstein-Yang-Mills solitons and non-abelian black holes 767 Download as PDF
Association News: Rapport de la réunion d'automne de la SSP 820 Download as PDF
Issue 7 887
Article: Complete sets of commuting observables and irreducible sets of observables 887 Download as PDF
Article: A Lorentz covariant description of the classical radiation field 898 Download as PDF
Article: On the description of single massless quantum objects 910 Download as PDF
Article: Michel's theorem and critical sections of gauge functionals 922 Download as PDF
Article: First order coherent Boson states 965 Download as PDF
Article: Diffusion in the kicked quantum rotator by random corrections to a linear and sine field 985 Download as PDF
Issue 8 993
Article: Chiral current algebras in three-dimensional BF-theory with boundary 993 Download as PDF
Article: Fierz transformation and dimensional regularization 1011 Download as PDF
Article: Local dynamics of mean-field quantum systems 1016 Download as PDF
Article: Defining relative energies for the projected Ising measure 1055 Download as PDF
Article: Algebraic treatment of the Morse potential 1069 Download as PDF
Article: Résonances pour l'opérateur de DIRAC-II 1077 Download as PDF
Article: On the definition of time delay in scattering theory 1119 Download as PDF
Table of Contents 1127 Download as PDF
Index: Index of authors = Autorenregister = Table des auteurs 1135 Download as PDF

Metadata information:

Title:Helvetica Physica Acta
Period:1928-1999

Back
Page preview of the search result

, Issue :
Editor:

Page