| Table of Contents | _ | 
            
              | Issue 1 | 1 | 
            
              | Erratum: Erratum on the paper Helv. Phys. Acta 65 (1992) 748 : semiclassical expansions of the thermodynamic limit for a  Schrödinger equation. II, The double well case | 1 | 
            
              | Article: Quantum plasma model with hydrodynamical phase transition | 4 | 
            
              | Article: Comment on "Normalization of scattering states, scattering phase shifts, and Levinson theorem" by N. Poliatzky [Helv. Phys. Acta 66, 241-263 (1993)] | 20 | 
            
              | Article: Symmetries of the Chern-Simons theory in the axial gauge, manifold with boundary | 22 | 
            
              | Article: A generalization of Poisson convergence to "Gibbs convergence" with applications to statistical mechanics | 30 | 
            
              | Article: Correlation functions of general observables in dipole-type system. I, Accurate upper bounds | 43 | 
            
              | Issue 2 | 117 | 
            
              | Article: On the covering property in physical theories | 117 | 
            
              | Article: On the size of the state-space for systems of quantum particles with spin | 127 | 
            
              | Article: A new asymptotic condition for absolutely continuous spectrum of the Sturm-Liouville operator on the half-line | 144 | 
            
              | Article: The Dirac evolution equation in the presence of an electromagnetic wave | 167 | 
            
              | Article: Quantum logic without negation | 188 | 
            
              | Association News: Réunion de printemps de la Société Suisse de Physique = Frühjahrstagung der Schweizerischen Physikalischen Gesellschaft = Spring meeting of the Swiss Physical Society | 201 | 
            
              | Issue 3 | 237 | 
            
              | Article: Equations de Hartree-Fock dans l'approximation du tight-binding | 237 | 
            
              | Article: Lee-Yang measures | 257 | 
            
              | Article: On the algebraic structure of gravity with torsion including Weyl symmetry | 289 | 
            
              | Issue 4 | 345 | 
            
              | Article: Monopoles and quark confinement | 345 | 
            
              | Article: Some remarks on the algebra of supercharges in D=(1+2) | 357 | 
            
              | Article: Inter-relations of solvable potentials | 363 | 
            
              | Article: The low-energy pion-nucleon interaction | 369 | 
            
              | Article: Spacetime models from the electromagnetic field | 392 | 
            
              | Article: Spinning particles in the Euclidean Taub-Nut space | 405 | 
            
              | Article: Spin-wave-spin-wave interaction and the thermodynamics of the Heisenberg spin chain | 419 | 
            
              | Article: Asymptotic normalization properties and mass independent renormalization group functions | 424 | 
            
              | Article: The harmonic oscillator with dissipation within the theory of open quantum systems | 436 | 
            
              | Issue 5 | 451 | 
            
              | Article: Field theory at finite temperature and phase transitions | 451 | 
            
              | Issue 6 | 585 | 
            
              | Article: Local perturbations and limiting Gibbs states of quantum lattice mean-field systems | 585 | 
            
              | Article: Zero modes of Gauss' constraint in gaugeless reduction of Yang-Mills theory | 610 | 
            
              | Article: Black holes : the inside story | 626 | 
            
              | Article: La non-localisabilité du photon, clef de voûte d'une refonte de la physique | 632 | 
            
              | Article: On the spectrum of the harmonic oscillator with a δ-type perturbation | 650 | 
            
              | Article: A new paradigm for the fermion generations | 660 | 
            
              | Article: Normalization of scattering states and Levinson's theorem : reply to a comment by R.G. Newton [Helv. Phys. Acta 67, 20 (1994)] | 683 | 
            
              | Issue 7 | 691 | 
            
              | Article: On the relativistic tunneling and above barrier transmission in some one-dimensional structured barrier systems | 691 | 
            
              | Article: Gauge field theories on Riemann surfaces | 702 | 
            
              | Article: The geometric Schwinger model on the torus. II | 723 | 
            
              | Article: Nonmetricity driven inflation | 745 | 
            
              | Association News: Réunion d'automne de la Société Suisse de Physique = Herbsttagung der Schweizerischen Physikalischen Gesellschaft = Automn meeting of the Swiss Physical Society | 753 | 
            
              | Issue 8 | 785 | 
            
              | Article: Bohr's complementarity principle : its relation to quantum mechanics | 785 | 
            
              | Article: Equations de Moore et Seiberg, théories topologiques et théorie de Galois | 799 | 
            
              | Article: Black holes and solitons in string theory | 884 | 
            
              | Article: Zur Genauigkeit von Newtons Messung Seiner Interferenzringe | 923 | 
            
              | Article: B.R.S. renormalization of some on-shell closed algebras of symmetry transformations. The example of supersymmetric non-linear σ models, 1) the N=1 case | 930 | 
            
              | Article: B.R.S. renormalization of some on-shell closed algebras of symmetry transformations. 2), N=2 and 4 supersymmetric non-linear σ models | 954 | 
            
              | Table of Contents | 985 | 
            
              | Index: Index of authors = Autorenregister = Table des auteurs | 989 |