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Helvetica Physica Acta

Helvetica Physica Acta Volume 63 (1990)
Intitulé Page
Cahier 1-2 1
Préface Editorial
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1
Article Baryon matrix elements of the vector current in chiral perturbation theory
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3
Article The supercurrent and β-functions vanishing to all orders in strictly massless supersymmetric Yang-Mills theories
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71
Article Scattering theory in external fields slowly decaying in time
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86
Article Phase space analysis of the charge transfer model
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107
Article Unbounded perturbations of Boson equilibrium states in their GNS-representations
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139
Article Perturbation theory for many fermion systems
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156
Cahier 3 261
Article The Hubbard model for large U
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261
Article The Anderson lattice
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284
Article Slave-Boson approaches to strongly correlated systems
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310
Article Mean field theories of the quantum Heisenberg model
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323
Article Flux phases in the t-J model
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336
Article Quasiparticles and photoemission spectra in correlated fermion systems
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345
Article Correlated lattice fermions in high dimensions
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364
Cahier 4 _
Article Proceedings of the PSI workshop on intense slow positron beams and applications in condensed matter physics
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_
Informations des associations Herbsttagung der SPG/SSP
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471
Cahier 5 557
Article On generalized Bose-Einstein condensation in the almost-ideal boson gas
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557
Article Time interval statistics of the Brillouin spectrum
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565
Article Quantum Monte Carlo simulations of the two dimensional single band Hubbard model
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580
Article Gérard Wanders
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602
Compte rendu de lecture Liste des publications : Gérard Wanders
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603
Article About admissible boundary conditions for Euler and parabolized Navier-Stokes equations
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606
Article Interparticle distance in N Boson systems
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616
Article Pion-pion scattering
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627
Article Dirac operator and Chern-Simon action
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660
Article The geometric Schwinger model on the torus. I
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670
Article Supercurrent without auxiliary fields
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683
Article Analyticity and chiral fermions on a Riemann surface
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694
Cahier 6 705
Article A statistical mechanical model for equilibrium ionization
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705
Informations des associations Frühjahrstagung der S.P.G.
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755
Cahier 7 849
Article On the bound states of non-relativistic Krönig-Penney Hamiltonians with short range impurities
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849
Article On the bound states of relativistic Krönig-Penney Hamiltonians with short range impurities
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884
Article Dirac equation approach to scattering from interface potential steps and existence of interface states
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908
Article A non relativistic supersymmetric two body equation for scalar and spinor particles
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922
Article Pure state quantum stochastic differential equations in C^2
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929
Article Mécanique dans l'espace de phase l'approche des déformations
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940
Cahier 8 965
Article Higher-dimensional homogeneous cosmological models
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965
Table des matières
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1063
Index Index of authors = Autorenregister = Table des auteurs
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1069