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Helvetica Physica Acta

Helvetica Physica Acta Volume 56 (1983)
Heading Page
Issue 1-3 I
Table of Contents
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III
Preface
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IX
Article Atomic and molecular hydrogen and deuterium : quantum gases and solids
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3
Article Time of flight experiments with conduction electrons : an application of weak localization
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17
Article Experimental tests of localization in semiconductors
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27
Article Localization and interaction in one dimension
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35
Article Electron localization and superconductivity in 2D metals
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37
Article The metal insulator transition in disordered electron systems
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47
Article Disorder and interaction
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55
Article Qualitative theory of stochastic differential equations and quantum mechanics of disordered systems
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61
Article Theory of the quantized Hall conductance
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75
Article Angle-resolved photoelectron spectroscopy of the nickel magnetism below and above T_C
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105
Article Magnetic correlations in metallic magnetics at finite temperatures
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117
Article Itinerant magnetism in actinide systems
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131
Article Configuration mixing in the groundstate of Ce
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147
Article Superconductivity in CeCu_2Si_2 : dependence of T_C on alloying and stoichiometry
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165
Article Magnetic ordering in superconductors
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179
Article Theory of magnetic superconductors
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189
Article Point-contact spectroscopy
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209
Article Dynamic correlations in the electron gas
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223
Article Jahn-Teller effect in ititnerant electron systems : the Jahn-Teller polaron
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237
Article Bloch electrons in rational and irrational magnetic fields
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245
Article Electrons and phonons in metallic glasses
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257
Article Low temperature properties of metallic glasses
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269
Article Amorphous metals : materials and applications
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281
Article Polymer glasses : defects and plasticity on a molecular scale
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293
Article Statistical topology of glasses
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307
Article Optical experiments on deep centers in semiconductors
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317
Article Defect characterization in III-V compounds by ESR
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329
Article The effect of hydrostatic pressure on shallow and deep impurity states in semiconductors
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331
Article A theorist in industry
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349
Article Applications of superlattices
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361
Article New experiments in femtosecond condensed matter spectroscopy
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373
Article Picosecond pulse generation by distributed feedback dye lasers
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383
Article Applications of picosecond and subpicosecond spectroscopy
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393
Article Theory of surface core-level shifts in metals
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405
Article Surface reconstruction and adsorbate geometry by surface core level spectroscopy
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427
Article Positrons and solid state physics
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437
Article Muons and Muonium in solids
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449
Article High resolution electron microscopy
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463
Article Scanning tunneling microscopy
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481
Article Metal-semiconductor interface formation
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483
Article Electronic properties of interfaces
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493
Article Small aggregates
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507
Article Magnetic properties of metallic clusters
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521
Article Cluster spectroscopy
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529
Article Structural and electronic properties of small metal aggregates
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541
Article Microemulsions and colloids
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551
Article Semiconductor dynamics from first principles : phonons, forces and dielectric properties
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559
Article Stability of acoustic and optical solitons in a diatomic chain
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569
Article A molecular dynamics calculation of the plastic phase of NaCN
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575
Article Molecular dynamics on a parallel computer
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583
Article Monte Carlo methods for quantum lattice models
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593
Article Quasi-two-dimensional excitations in GaAs/Al_xGa_1-xAs semiconductor multiple quantum well structures
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607
Article Conducting polymers : solitons or not?
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639
Article Light-induced dynamics of chlorophyll systems studied by neutron spectroscopy
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655
Article Incommensurate crystal phases
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665
Article Commensurate-incommensurate phase transitions
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677
Article New type of soliton solutions from a Landau potential describing the β-γ-δ-transitions in (C_3H_7NH_3)_2MnCl_4
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689
Article Liquids with cubic orientational order : the cholesteric
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695
Article Multicritical behavior of polymers near an adsorbing wall
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697
Article Structural glasses and Rb_1-x(NH_4)_xH_2PO_4
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705
Article Sol-gel transition
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721
Article Magnetic properties of superconducting or normal networks and random walks on percolating clusters
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733
Article Melting of two-dimensional solids
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743
Article Molecular dynamics simulations of phase transitions in physisorbed nobel gases
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755
Article Search for two-dimensional melting in a lattice of superconducting vortices
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765
Article First direct observation of the quantum mechanical behaviour of a truly macroscopic object
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789
Article Quantum Brownian motion
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797
Article Paths to turbulence
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805
Article Scenarios for the onset of chaos
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813
Article The NMR-laser : a nonlinear solid state system showing chaos
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825
Article Oscillatory and steady convection in a nematic liquid crystal
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837
Article Stability and relative stability in nonlinear driven systems
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847
Article Freezing transition phenomena far from equilibrium
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863
Article Transport properties of highly excited semiconductors
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875
Index Author index
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881
Issue 4 883
Article In memoriam Wolfgang Pauli (1900-1958)
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883
Association News Rapport de la réunion de printemps 1983 de la Société Suisse de Physique à Fribourg les 24 et 25 mars
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889
Issue 5 993
Article Heisenberg's applications of quantum mechanics (1926-33) or the settling of the new land
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993
Article Relativistic kinematics and dynamics : a new group theoretical approach
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1002
Article Diagonal QCD_2 with massless quarks : gauge transformations and mass perturbation
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1024
Article A Loewner-type interpolation problem applied to partial-wave dispersion relations
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1046
Article Triton bound state calculation with energy-dependent separable potentials
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1053
Article On averaged angular time delay for two-body scattering
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1064
Article Commensurate-incommensurate transitions in 2 dimensions
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1070
Article Magnetic susceptibility of (para-Br-C_6H_4NH_3)_2FeCl_4 and (meta-Cl-C_6H_4NH_3)_2FeCl_2Br_2
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1088
Article Strain coefficient of resistivity in thin metallic films
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1093
Issue 6 1099
Article Leonhard Euler 1707-1783 : Schlaglichter auf sein Leben und Werk
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1099
Article A 'pointwise' kinetic energy estimate and applications to Schrödinger theory
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1132
Article On some K-representations of the Poincaré and Einstein groups
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1140
Article On finite volume corrections to the equation of state of a free Bose gas
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1151
Article On Callan's proof of the BPHZ theorem
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1158
Article Comments on the anharmonic oscillator model
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1168
Article Complete sets of unbounded observables
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1175
Article Simple proof that the structure preserving maps between quantum mechanical propositional systems conserve the angles
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1187
Article Excitation non résonante de spins nucléaires aux basses fréquences
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1191
Table of Contents
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1207
Index Author's index = Autorenregister = Table des auteurs
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1213