ETH Zurich
E-Periodica
Alle Bände

Helvetica Physica Acta

Volume 54 (1981)
Cahier 1 1
Article: Résonance de spin électronique de Gd et d'Eu dans les supraconducteurs SnMo6S8 et PbMo6S8 en poudre 1
Artikel: On the kinetics of condensation through homogeneous nucleation 85
Artikel: An approach to metastability in some ferromagnetic systems 106
Artikel: Three particle bound states in even λP(φ)_2 models 131
Heft 2 191
Artikel: Bounds on Ising partition functions. I 191
Artikel: Bounds on Ising partition functions. II, Application to frustration 201
Artikel: General relativistic effects on the cooling of neutron stars 214
Vereinsnachrichten: Bericht über die Frühjahrstagung der Schweizerischen Physikalischen Gesellschaft, Neuchâtel, 9. + 10. April 1981 219
Heft 3 341
Artikel: Analyticity and Borel-summability of the perturbation expansion for correlation functions of continuous spin systems 341
Artikel: Dispersion relations for Feynman graphs 364
Artikel: (Quasi-) momentum, (quasi) angular momentum and spin for condensed media 383
Artikel: Phenomenological expression for densities and currents in condensed media and Umklapp processes 395
Artikel: Vacuum polarization test and search for direct muon-hadron interaction from muonic X-rays 406
Artikel: 50 years ago Pauli invented the neutrino 411
Artikel: The vacuum structure of the Schwinger model and its external field problem 419
Artikel: General features of total hadron-nucleus reaction cross sections 432
Artikel: Elastic scattering of α particles from 16O near the Coulomb barrier 439
Artikel: Aharonov-Bohm scattering : comment on a paradox 444
Artikel: Electromagnetic properties of the pion in the dressed quark model 447
Artikel: Spin relaxation and dissipative Schrödinger like evolution equations 457
Heft 4 471
Artikel: The electronic structure of hydrogen in elemental metals in the light of muon spin rotation (μSR) investigations 471
Artikel: The (n, d) differential elastic cross section at 2 MeV 547
Artikel: Direct measurement of the muonium hyperfine frequencies in quartz 552
Artikel: Effect of the ponderomotive force in interaction of an amplitude modulated rf-field with a nonuniform plasma 561
Artikel: Formation volume and energy of a vacancy : lattice distortion and non-linear screening in aluminium 570
Vereinsnachrichten: Rapport de la réunion d'automne de la Société Suisse de Physique (SSP), Davos, 24-26 septembre 1981 580
Inhaltsverzeichnis 659
Register: Author's index = Autorenregister = Table des auteurs 668