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Helvetica Physica Acta

Helvetica Physica Acta Volume 62 (1989)
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Table of Contents
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Issue 1 1
Article On Mourre's approach to spectral theory
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1
Article A commutator approach to the limiting absorption principle
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21
Article Sur les déterminants des matrices quaternioniennes
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42
Article A preliminary framework for continuum thermodynamics
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47
Article Periodic versus chaotic dynamics in vibratory feeders
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68
Article Recent developments in quantum mechanics
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82
Article Representations of Kac-Moody algebras using twisted vertex operators
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91
Article Superconductivity from charged local Boson exchange in strong coupling approximation
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122
Issue 2-3 139
Association News Titles presented at the "Recontre in theoretical and mathematical physics" in honor of professor Philippe Choquard's 60th birthday
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139
Article Philippe Choquard : a biographical sketch
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141
Obituary Hommage à Pierre Huguenin
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144
Article L'univers dimensionnel de la physique : essai de physique contemplative
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145
Association News Rapport de la réunion d'automne de la Société Suisse de Physique des 6 et 7 octobre 1988 à Lausanne
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173
Issue 4 363
Article Stochastic quantum dynamics and relativity
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363
Article Adiabatic theorem and Gell-Mann-Low formula
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372
Article Vacuum polarization and the trace anomaly
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389
Article Time interval statistics of a symmetric two-peaked spectrum
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398
Article Thermodynamics of dissipative systems. II
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410
Article Upper bound on temperature
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420
Article Equation of hydrostatic equilibrium and temperature dependent gravitational constant
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424
Article Généralisation de la supergravité à 11 dimensions avec les invariants d'Euler
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427
Article Problème relativiste à deux corps en electrodynamique quantique
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436
Article The nonlinear ion-acoustic waves in a current carrying collision-dominated plasma
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444
Issue 5 461
Article Introduction to cellular automata computing, neutral network computing and transputer based special purpose computers
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461
Article Problems in quantifying self-generated complexity
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489
Article Dynamics of diluted and asymmetric neural network models
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512
Article R.A.P., a family of cellular automaton machines for fluid dynamics
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525
Article Localised chaos in extended geometries
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542
Article Resonant stimulation of complex systems
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544
Article Avoiding complex behavior
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552
Article Chaos in mechanical engineering devices
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573
Article Selected topics on "quantum chaos"
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595
Article Fractals in classical mechanics
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613
Issue 6-7 631
Preface Foreword
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631
Article The Elettra project : status report
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633
Article Quantum effects in amorphous superstructures
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645
Article Optical spectroscopy of quantum wells under high excitation
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650
Article Electronic states and optical transitions in undoped and modulation doped GaInAs/AlInAs quantum wells and superlattices
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655
Article Electronic energy levels of multilayer structures with the renormalization method
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660
Article Local structure of the chemisorption of Co on Si(111)7x7 and of the epitaxial CoSi_2 interface
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666
Article Phase transition and ionic displacements in doped potassium tantalates
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671
Article Collective dynamics in liquid water
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676
Article Electrons at the glass transition
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681
Article A mean-field description of the antiferromagnetism of CuO_2 layers
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686
Article Monte Carlo simulation of ultrafast phenomena
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691
Article Local electron scattering rates in noble metals
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696
Article Application of scanning tunneling microscopy to structural studies of DNA
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701
Article Metallic clusters of atoms and small particles : some structural and electronic properties
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706
Article Propagation of electromagnetic waves through non-homgeneous media
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710
Article Flux creep in high-T_C superconductors
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715
Article Optical properties and ionic transport due to deffects in SiO_2
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720
Article Study of dislocation dynamic by acoustic spectrosopy
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725
Article Amorphous to single crystal transition in Si induced by ion-beam irradiation
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730
Article Critical and paramagnetic spin fluctuations in Heisenberg ferromagnets
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735
Article Thermoluminescence of calcium fluoride
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740
Article Comparative infrared vibrational spectroscopy of chemical vapour deposition Si_O_2 films
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742
Article Electronic transport properties of FePS_3
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744
Article Off-axis configuration of F_A(Li) centres in KF
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746
Article Vacuum ultraviolet measurements on c-SiO_2 and a SiO_2
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748
Article The Corbino disk
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752
Article Ab-initio pseudopotential study of Ge_1-xSn_x alloys
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754
Article The far infrared optical reflectivity of U_2PtC_2
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756
Article Surface scattering and DC size effects in aluminium
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758
Article Spectral hole-burning and multiple storage of images
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760
Article Current voltage characteristics of semiconductor heterostructures : integration of sharply peaked transmissivities
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762
Article Thermodynamics of the phase transition in NiTi alloys
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764
Article Thermal expansion as a function of phase transition cycling in NiTi alloys
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766
Article Diffuse layer electrical parameters at metal water interface in the 0.01 Hz to 100 KHz range
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768
Article Dissipative mechanics in granular superconductors
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770
Article Simulation of the liquid-gas transition with finite size analysis
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772
Article Limit of zero-width conduction band for the extended Falicov-Kimball model
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774
Article Inelastic light (Raman) scattering from confined phonons in strained short-period (001) Si/Ge superlattices
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776
Article An instability of the two fluid hydrodynamics of surface waves on superfluid ^4helium
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778
Article NMR study of martensitic transformation in a Cu-Zn-Al alloy
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780
Article Crystallization of rapidly quenched metal droplets with high melting point
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782
Article Bi-Sr-Ca-Cu-O laser deposited thin films : a comparison between resistivity and mamma response
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784
Article High energy neutron spectroscopy in crystal field split 5f systems
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786
Article Magnetic resonance studies of polymeric mesophases
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788
Article EPR study of X-irradiated yttria stabilized zirconia
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790
Article New method for Hc2 measurement in high Tc superconductors
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792
Article Structural instability and transformations in amorphous metals studied by mechanical spectroscopy
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794
Article Magnetic correlations and antiferromagnetic order in La_2-x Sr_x CuO_4
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796
Article ESR and X-ray analysis of superconducting transitions in c ≈ 31 and c ≈ 37 Å BSCCO systems
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798
Article Dynamics of fluxons in field-cooled high-T_c superconductors
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800
Article Bond short-range order in amorphous ribbons
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802
Article Spin-spin relaxation of E' centers at low temperature
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804
Article Dynamics of infra and intergranular junctions
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806
Article High quality magnetic strips of electrodeposited Co-P amorphous alloy
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808
Article Magnetic and structural properties of amorphous alloys and applications
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810
Article The measurement of the magnetic anisotropy and some related properties in hard magnetic materials
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812
Article Electron spectroscopy of liquid alloys containing transition metals
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814
Article Electrical resistivity of U_xTh_1-xSb (x=0, 0.05, 0.30, 0.34, 0.97, 1) from 2 TO 1000 K
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816
Article Observation of a new mode in the energy loss spectrum of the Sb/GaAs(110) system
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818
Article Magic vicinal surfaces induced by reconstruction
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820
Article Oxygen induced reconstruction of Ag(110)
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822
Article Surface supermelting with long-range potential
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824
Article Exchange excited f-f transitions in the electron-energy-loss spectra of rare-earth metals
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826
Article Selfconsistent calculations of the electronic properties of simple metal surfaces
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828
Article Ab-initio calculation of the anisotropic dielectric response of GaAs(110)/Sb
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830
Article XPS investigation of the YBa_2CuO_3O_7-6
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832
Article Surface crystallography and lattice dynamics : GaAs(110) VS Si(111) 2x1
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834
Article Ion-excited Auger electron emission from solid surfaces
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836
Article Charge transfer vs energy level pinning at semiconductor interfaces
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838
Article Measurements of metal atom and cluster polarizabilities
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840
Article Adsorption of Co on hydrogenated amorphous Ni_64Zr_36H_34
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842
Article Structural characterization of III-VI semiconductors
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844
Article Characterization of impurities in silicon by IR spectroscopy
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846
Article Hydrogen diffusion in crystalline silicon
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848
Article Si:As system near the metal - insulator transition : equilibrium and transport properties
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850
Article New potentialities of the recursion method for periodic lattices
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852
Article On the mechanism of strain release in In_xGa_1-xAs/GaAs single heterostructures
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854
Article Fundamental optical constants of CIS polyacetylene
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856
Article Narrow gap III-V semiconductors : electronic and structural properties
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858
Article Study of a positive hydrogen ion in cristalline Si
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860
Article Valence-band offset at InP/Ga_0.47In_0.53As lattice-matched heterojunctions
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862
Article Amorphous to polycrystal transition in ion irradiated chemical vapor deposited amorphous silicon
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864
Article Liquid phase epitaxy of KTa_1-xNb_xO_3(KTN)
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866
Article Electrical measurements on ultra-thin CoSi_2/Si heterostructures
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868
Article Fabrication of high-speed GaAs photodiodes with transparent inium tin oxide (ITO) Schottky gate
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870
Article Binding energies of p-type acceptor states in GaAs/Ga_1-xAl_xAs quantum wells
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872
Article Isolated plasma ion beam deposition of polymeric films and in-situ characterization by electron spectroscopy
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874
Article Zero resistivity at 81 K in BSCCO films grown from liquid KCl solutions
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876
Article In-situ preparation of YBa_2Cu_3O_7-x high T_C thin films
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878
Article Pyrolysis and ozone in the YBCO fabrication process
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880
Article Physical properties of Nd_1.85Ce_0.15CuO_4-y at high pressure and with different oxygen contents
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882
Article Theoretical calculation of the resistivity of the high-T_c superconductors
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884
Article Dynamic magneto-optical study of the intermediate state, current-voltage characteristic
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886
Article Tunneling Study of High T_c YBa_2Cu_3O_7-δ ceramic
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888
Article Incremental energy balance during the deformation of metals
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890
Article Low temperature oxidation of iron borides
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892
Article On the interface between surface-melted and solid state transformed layers in laser processes iron alloys
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894
Article A tunable Er, Tm, Ho : YLF solid state laser for spectroscopic applications
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896
Article Local structure of Cr clusters by EXELFS spectroscopy
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898
Article Correlation spectroscopy of solid microparticles suspended in acqueous medium
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900
Article Monte Carlo simulation in Fermi systems
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902
Article Oxygen ionosorption temperatures on sputtered SnO_2(In) thin films
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904
Article Raman spectra of water in the translational region : recent interpretation of experimental spectra and comparison with molecular dynamics simulations
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906
Article Extremal properties of dendritic patterns : biological applications. II
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908
Article Compounded chaos
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910
Article Second order nonlinearities of molecular complexes
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912
Article Measurements of the London penetration depth in YBa_2Cu_3O_x by means of muon spin rotation (μSR)
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914
Article Connection of parallel computers using Navier-Stokes-equation for data flow optimization
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916
Article Algorithms for the construction of differential equations from experimental data
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918
Article Cluster calculations of bond-centered hydrogen in semiconductors
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920
Article A precision measurement of the analyzing power for the P-P scattering at 25.68 MeV
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922
Article Development of deuteron-recoil spectrometer for fast neutron spectrum measurements
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924
Article Polarization transfer in the reaction ^2H(p,p)^2H at E_p=22.7 MeV
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926
Article A new calibration method for the analyzing power of spin-1/2-spin-0 scattering applied to p-α scattering at 25.68 MeV and θ_lab=117.5
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928
Article Quantum mechanical harmonic chain attached to heat baths
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930
Article A criterion for the validity of Kramers' rate expression in the moderate to large damping regime
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932
Article Phase transitions in experimental dynamical systems
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934
Article Speeding-up simulations of interacting systems near critical points by the multigrid Monte Carlo method
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936
Article Réseaux spirales et transitions structurelles
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938
Issue 8 941
Article Axiomatic description of irreversible and reversible evolution of a physical system
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941
Article Localizability of zero-mass particles
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969
Article Quantum statistical mechanics of general mean field systems
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980
Article The one dimensional plasma revisited : the influence of periodic boundary conditions
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1004
Article Regularization of the Mandelstam soliton operator
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1022
Article Probability axioms for quantum field theory
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1038
Table of Contents
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1071
Index Index of authors = Autorenregister = Table des auteurs
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1079