ETH Zurich

E-Periodica Schweizer Zeitschriften online. Revues suisses en ligne. Swiss journals online.

Journal
Volume 50 (1977)
Issue 1 1
Article: Distinguished self-adjoint extension for Dirac operator with potential dominated by multicenter Coulomb potentials 1
Article: Bremsstrahlung and Čerenkov radiation of high energy particles in an excited medium 5
Article: Bestimmung der spektroskopischen Faktoren mehrerer Energieniveaux der Isotope Ni^59,61, 63, 65 mit (d,p)-Reaktionen bei 2,8 MeV Deuteronenenergie 9
Article: Bestimmung spektroskopischer Faktoren für Energieniveaux der Isotope ^41, 43, 45, 49Ca mit (d,p)-Reaktionen bei 2,5 MeV Deuteronenenergie 29
Article: Untersuchungen zur Bildung von Tracks in Kristallen 49
Article: Modèle semiphénoménologique de l'interaction nucléon-nucléon 65
Article: Spin corrections to the two-body eikonal amplitude 81
Article: A remark on the rate of regeneration in decay processes 99
Article: Selfadjointness and invariance of the essential spectrum for the Klein-Gordon equation 105
Article: On space-like fields 117
Article: On the Koba-Nielsen scaling behaviour for the high-energy multiplicity distributions 123
Rubric: Zusammenfassungen der letzten eingegangenen Arbeiten = Résumés des derniers articles reçus 131
Issue 2 133
Association News: Bericht der Herbsttagung der Schweizerischen Physikalischen Gesellschaft vom 8./9. Oktober 1976 in Genf 133
Article: Projective representations of the Schrödinger group 233
Article: Dynamics of the Dicke laser model. II, An example of a semi-classical theory in the presence of focal points 253
Article: Unrestricted solution of the Elishberg equations for Nb 267
Article: On the derivation of the Onsager-Casimir reciprocal relations from the principles of thermodynamics 279
Erratum: Errata 283
Issue 3 285
Article: On the formation of droplets in supersaturated systems 285
Article: Remarks on exponential interactions and the quantum sine-Gordon equation in two space-time dimensions 315
Article: On the description of free relativistic particles 331
Article: Covariance group in the presence of external electromagnetic fields 337
Article: Elementary particles as representations of the covariance group in the presence of an external electromagnetic field 349
Article: Superradiant phase transition in some generalized Dicke models 373
Article: Détermination du libre parcours moyen dans le cadmium à partir des oscillations de Gantmakher-Kaner 381
Article: Higher order decoupling in the Gorkov theory of superconductivity 387
Article: Onsager's symmetry in higher order fluid dynamics 393
Article: Extension of the final state theorem and the analysis of accurate low energy pion-nucleon scattering and pion photoproduction experiments 407
Issue 4 417
Article: Zum 60. Geburtstag von Walter Hälg 417
Article: Neutron scattering investigations of the LaNi5 hydrogen storage system 421
Article: Phononen-Dispersion in Na2S 431
Article: Magnetische Austauschwechselwirkung eines dreikernigen Eisenclusters in α-Metavoltin, K_10(Fe_3O(SO_4)_6(H_2O)_3_2 • 12H_2O 439
Article: Crystal field in metallic actinide compounds 447
Article: Ferromagnetismus von Nd_3S_4 453
Article: A method and a computer program for measurement of intensities from twinned and clustered crystals on a 4-circle diffractometer 459
Article: Comparison of power series solutions to the stationary monoenergetic neutron transport equation for slabs 467
Article: An application of the third order JWKB-approximation method to prove absolute continuity. I, The construction 479
Article: An application of the third order JKWB-approximation method to prove absolute continuity. II, The estimates 495
Article: Scattering of protons from argon and hydrogen at 1 MeV 509
Article: Limitations on the use of δ-function potentials as replacements for actual atomic potentials in one-dimensional studies 513
Article: Zur relativistischen Gravitationsenergie 527
Article: A non-homogeneous string model for hadrons 531
Article: Lattice dynamical study of noble metals. I 545
Issue 5 557
Association News: Bericht über die Frühjahrstagung der Schweizerischen Physikalischen Gesellschaft in Lausanne am 14./15. April 1977 und in Konstanz vom 21.-25. März 1977 für Kern- und Teilchenphysik 557
Article: Lebensdauer der Positronen in Silberbromid 705
Article: Analytic methods for refined resonating group calculations. 1, Reduction to cluster modes 723
Article: Cluster approximations in the effective medium model of site random conductance networks 741
Rubric: Zusammenfassungen der letzten eingegangenen Arbeiten = Résumés des derniers articles reçus 755
Appendix: Bericht über die Frühjahrstagung der Schweizerischen Physikalischen Gesellschaft in Lausanne am 14./15. April 1977 und in Konstanz vom 21.-25. März 1977 für Kern- und Teilchenphysik _
Issue 6 757
Article: On the phase transition in XY- and Heisenberg models 757
Article: On the phase transition in A^4-phonon theory 763
Article: Indefinite metric, quantum axiomatics, and the Markov property 767
Article: Anomalien der Verbotenen Zone von Sb_2S_3-Kristallen 773
Article: The regular external field problem in quantum electrodynamics 779
Article: Vacuum polarization in Fock space 803
Article: Measurement of the polarization parameter in π^+p-scattering at 291.4 and 310.0 MeV 815
Article: Light cone sum rules for single-pion electroproduction 825
Article: Phasenumwandlung in AgSbS_2 Kristallen 853
Article: A one-fermion-one-boson model for a magnetic elastic system 857
Article: Schwingungen eines Plasmazylinders endlicher Länge in einem äusseren Magnetfeld 871
Article: Boltzmann collision operator without cut-off 893
Article: New free energy and susceptibility inequalities for the Ising-, XY- and Heisenberg-models and the problem of phase transition 905
Article: On the description of classical Einstein relativistic two-particle systems 917
Table of Contents 930
Index: Autorenregister = Table des auteurs 940