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Helvetica Physica Acta

Helvetica Physica Acta Volume 59 (1986)
Intitulé Page
Issue 1 1
Article Vom "Sel Polychreste" zur Ferroelektrizität : ein Rückblick
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1
Article Knowledge engineering with expert systems
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21
Association News Bericht über die Herbsttagung der Schweizerischen Physikalischen Gesellschaft am staatlichen Seminar in Biel vom 3. + 4. Oktober 1985
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88
Issue 2 201
Article Anomalies
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201
Article Constructive quantum field theory : goals, methods, results
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220
Article Renormalization properties and chiral anomalies in supersymmetric gauge theories
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229
Article Renormalization group and theory of large fluctuations : some recent results in the study of coexistence of phases
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234
Article Euclidean quantum mechanics and stochastic processes
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241
Article Hydrodynamic interactions and properties of suspensions
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263
Article Stability near resonances in classical mechanics
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278
Article Strong field effects in general relativity
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292
Issue 3 303
Article Über Balmers Spektralformel : Analyse einer wissenschaftlichen Entdeckung
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303
Article On the decomposition of relativistic quantum field theories into pure phases
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331
Article Polarization formalism for elastic scattering of leptons by spin 1/2 and spin 1 particles in the one photon exchange approximation
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349
Article Lyapunov exponent, scale symmetry and chaos in Yang-Mills equations
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363
Article Decay of unstable states in presence of fluctuations
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367
Article On the equations of motion of an N-component charged fluid
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390
Article Study of the many-body correlation effects in nickel by positron annihilation
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410
Article On the unusual physical properties of europium-based molybdenum chalcogenides and related Chevrel compounds
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417
Article Ueber Driftwellen in einem zylindrischen Plasma und ihre magnetischen Komponenten
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490
Heft 4 513
Article Review of operating atomic beam sources
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513
Article Cooling of high intensitiy atomic hydrogen beams to liquid helium temperatures
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526
Article Recombination problems between 4 and 100 K
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539
Article The ring magnetron ionizer
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547
Article An ECR ionizer for an atomic beam polarized source ... : will it help?
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553
Article Ideas for a saturne new source
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561
Article Polarized H^- sources for the AGS : present and future
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563
Article Progress report on the cooled ETH polarized ion source
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568
Article The saturne polarized particle source
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573
Article Velocity measurements of a cooled atomic hydrogen beam
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578
Article Rapporteur's report, session (E)
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582
Article Polarized atomic hydrogen as a target for high-energy storage rings
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584
Article A jet of ultracold polarized hydrogen atoms
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594
Article Note on limits of ground-state polarized atomic beam density
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596
Article Storage cells as polarized gas targets
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597
Article Recent developments in spin-polarized hydrogen
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606
Article Summary on atomic beams, sources, jets and storage cells
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612
Article Lamb-shift sources reliable versatile sources for low acceptance accelerators
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620
Article Problems of transmitting a high intensity primary H^+ ion beam in the lamb shift source
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628
Article A magnetic quartz capillary proton source
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632
Article An ion beam extraction grid using nets of fine Tungsten wires for the lamb shift source
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636
Article Rapporteur's report on session H : Lambshift-sources
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641
Article A review of optically pumped polarized ion sources
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643
Article Wall relaxation rates for an optically pumped Na vapor
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652
Article Radiation trapping in an optically pumped alkali vapor
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657
Article Cross sections for spin exchange collisions between fast hydrogen atoms and hydrogen or alkali atoms
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662
Article Nuclear spin polarization of hydrogen by collision with optically pumped sodium
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666
Article Collisional pumping in polarized sodium vapor
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670
Article Status of the optically pumped polarized H^- ion source at TRIUMF
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674
Article High-intensity, pulsed, optically pumped polarized proton and H^- ion source
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681
Article Summary on sources using pumping schemes
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690
Article Emittance quotations, a recommendation
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696
Article A computer controlled analysis of a polarized ion source
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698
Article The low energy proton polarimeter for the polarized H^- beam source at the Brookhaven AGS
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703
Article Secretary's report, session (J)
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708
Article A method of generating intense nuclear polarized beams by selective photodetachement of negative ions
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709
Article Self-polarization of protons in storage rings
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710
Article Manipulating atoms with light
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717
Article Spin waves in polarized quantum fluids
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722
Article New application of polarized ions
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723
Article Review of operational polarized targets
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728
Article Microwave induced optical nuclear polarization
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737
Article Polarised neutron scattering from dynamic polarised targets of biological origin
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741
Article New infrared tunable lasers for polarizing 3He by optical pumping
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747
Article Polarized nuclei : beyond the hydrogens
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753
Article Recent progress in the polarization of very short-lived nuclides
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760
Article Rapporteur's report, session (F)
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766
Article Progress report on polarization of 6LiD and 7LiH irradiated with high energy electrons
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767
Article Tensor polarization studies in a single crystal of ND3
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772
Article Dynamic polarization in a 3He/4He evaporation cryostat
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777
Article Progress report on the polarized target for the fermilab polarized beam
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786
Article The TRIUMF polarised deuteron target NMR system
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788
Article Exchange of polarized targets in a high magnetic field and at mK temperatures
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795
Article Summary on polarized targets
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799
Index List of participants of the international workshop on polarized sources and targets
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801
Heft 5 807
Article Charles P. Enz : a short biography
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807
Article Space-time complexity in solid state models
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811
Article Universality in the kinetic of first-order phase transitions
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822
Article Renormalization group study of scalar field theories
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833
Article Effects of Dirac's negative energy sea on quantum numbers
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835
Article How can one calculate ππ scattering length in lattice QCD?
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844
Article Stability of solitons
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845
Article Positron annihilation in solids
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859
Article Muon spin rotation
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866
Article Microscopic investigations of the ferroelectric phase transitions in BaTiO_3 by paramagnetic resonance
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874
Article Brisure d'ergodicite en mécanique statistique
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885
Article Stochastic behavior in nonequilibrium systems
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896
Article Stochastic cooling
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906
Article Exact solution of the non-linear σ-models
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907
Article Symmetry violations in weak interactions and implications for new forces
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909
Index List of participants
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927
Heft 6-7 931
Association News Bericht über die Frühjahrstagung der Schweizerischen Physikalischen Gesellschaft am Physikinstitut von Neuenburg vom 9.-11. April 1986
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931
Heft 8 1271
Article A general theory of Bose-Einstein condensation
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1271
Article On the general theory of Bose-Einstein condensation and the state of the free boson gas
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1289
Article Momentum operators for large systems
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1311
Article Wigner's theorem and the asymptotic condition in scattering theory
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1321
Article Vacuum decay in gauge theories
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1337
Article Perturbative derivation of the determinant of massless fermions in two dimensional space-time
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1366
Article Existence of ponderomotive effects for plane, uniform electromagnetic waves of arbitrary polarisation in a magnetoplasma
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1387
Table of Contents Inhaltsverzeichnis
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1405
Index Author's index = Autorenregister = Table des auteurs
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1407