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Helvetica Physica Acta

Helvetica Physica Acta Volume 61 (1988)
Überschrift Seite
Cahier 1-2 1
Article: Zum Stande der Hochtemperatur-Supraleitung 1
Article: Adiabatic charge transport and topological invariants for quasi-periodic hamiltonians 2
Article: Der Supercomputer und die wissenschaftliche Erkenntnis 9
Article: ASTRID : a family of scientific applications programs 24
Article: On the growing impact of artificial intelligence 30
Article: Computer Vision und künstliche Intelligenz 36
Article: Common elements of the various disciplines in computational science 42
Informations des associations: Rapport de la réunion d'automne de la Société Suisse de Physique (SSP), Lucerne, 8 et 9 octobre 1987 59
Cahier 3 257
Article: Notes on asymptotic perturbation theory for Schrödinger eigenvalue problems 257
Article: Glueballs 305
Article: Vanishing β-functions in N = 1 supersymmetric gauge theories 321
Article: Quasiperiodic Krönig-Penney model on a Fibonacci superlattice 345
Article: The continuum limit of dissipative dynamics in H. Fröhlich's pumped phonon system 363
Cahier 4 379
Article: A l'occasion du soixantième anniversaire de Martin Peter, le 12 juillet 1988 379
Article: One-dimensional band dispersion relations in terms of SU(2) representations 381
Article: k-space related properties in disordered solids 394
Article: Energy band structure of the high T_C superconductors 401
Article: New approach to electron-positron interaction in jellium 415
Article: Band structure and electron-phonon coupling in the La1-xSr_xCuO_4 superconductors 421
Article: Intuitive LCAO band model for RBa_2Cu_3O_7 structure 426
Article: High temperature thermoelectric power measurements of YBa_2Cu_3O_7-δ and conclusions concerning the electronic structure close to E_F 433
Article: Thermal conductivity of the high-T_C superconductors 438
Article: Critical currents in high T_C superconductors 443
Article: The lower critical field in high-T_C superconductors 447
Article: Positron annihilation and superconductivity 451
Article: Structural, thermal and magnetic properties of the YBa_2Cu_3O_6.9 superconductor prepared by citrate pyrolysis 460
Article: Crystal growth of the high T_C superconductor YBa_2Cu_3O_7-x 470
Article: H_c2-anisotropy effects in superconducting niobium polycrystals 478
Article: Using metallic multilayers to investigate basic physical problems 488
Article: Itinerant magnetism in K_2NiF_4-type compounds 496
Article: Analysis of the CESR ferromagnetic and paramagnetic itinerant electron compounds : ZrZn_2, Sc_3In vs TiBe_2 505
Article: Magnetic properties and resonance studies of some gadolinium-transition-metal-boron compounds 512
Article: Impurities in heavy fermion superconductors 518
Article: Resistivity and magnetoresistance of CeAl_3 single crystals 530
Article: Do metallic quasicrystals and associated Frank and Kasper phases follow the Hume Rothery rules? 538
Article: Compressibility and internal pressure anomalies of liquid 3d transition metals 557
Article: On the optical properties of small metallic spheres 566
Article: Importance de l'amplitude du champ magnétique constant dans le diagnostic médical par RMN 572
Article: Scanning tunneling microscopy at the University of Geneva 579
Cahier 5 589
Article: Neutron interferometric tests of quantum mechanics 589
Article: Interference and coherent tunneling in dissipative quantum systems 611
Article: Macroscopic quantum mechanics experiments 622
Article: Schwinger model on S^2 636
Article: Diffraction et microscopie électroniques sur des petits grains métalliques: effets de taille. I, Défauts et structures anormales multimaclées dans l'or et le platine 712
Article: Diffraction et microscopie électroniques sur des petits grains métalliques: effets de taille. II, Facteur de Debye-Waller de l'or 730
Cahier 6 741
Article: Introduction to the physics of high temperature superconductors 741
Article: Spin susceptibility and NMR spectra of small jellium spheres 760
Article: Frequency doubling of incoherent microwave radiation in a cold magnetized plasma 778
Informations des associations: Rapport de la réunion de printemps de la Société Suisse de Physique des 28 et 29 mars 1988 à Windisch 801
Cahier 7 905
Article: Classical local fields for hadrons in chromodynamics 905
Article: A variational proof of the existence of a bound state in a relativistic quantum model with weak coupling 923
Article: An alternative approach to the Green's function of a relativistic spinless charged particle in an external uniform electromagnetic field 958
Article: Complex groups, quantum mechanics, and the dimension and reality of space 966
Article: Thermodynamic quantities and the motion of energy levels 979
Article: The memory function formalism in the study of the dynamics of a many body system 988
Article: Low-field magnetic susceptibility measurements of high-T_C granular superconductors 1007
Article: The influence of coherent drift waves on the magnetoacoustic resonance in cylindrical plasmas 1013
Heft 8 1027
Artikel: Some applications of the 3 + 1 formalism of general relativity 1027
Artikel: The large deviation principle for the Kac distribution 1063
Artikel: Localization and cross-over in linear models of random arrays of barriers 1079
Artikel: Spin dynamics of transitions among muon states in semiconductors 1087
Artikel: On the s-wave repulsion of the pion-nuclear interaction 1130
Inhaltsverzeichnis 1137
Register: Author's index = Autorenregister = Table des auteurs 1145