Description / Table of Contents: Endliche und nilpotente Gruppen -- Allgemeine Eigenschaften nilpotenter Gruppen -- Endlich erzeugte nilpotente Gruppen -- Lokalisierung abelscher Gruppen -- Lokalisierung nilpotenter Gruppen -- Lokalisierung einfach zusammenhängender CW-Komplexe -- Lokalisierung nilpotenter CW-Komplexe

Description / Table of Contents: Some experiments with liquid helium -- Diatomic molecules and cooper pairs -- Current density in the BCS ground state for a spatially non-uniform anisotropic superfluid -- Hamiltonian equations of hydrodynamics of quantum liquid in the presence of solitons -- Theory of ion mobility in liquid 3He -- The excitation spectra of liquid 4He at zero temperature and of a 3He atom moving in it -- Autocorrelation functions of density and transversal current for 3He(B) in the collisionless regime -- Microscopic derivation of orbital hydrodynamic equations in superfluid 3He-A -- Classical charged fluids at high density -- Locally nonuniform fluids -- Random walks on random lattices -- A lecture on the topological theory of defects in ordered media: How the old theory was leading to paradoxes, and how their resolution comes within the larger frameworks of homotopy theory -- The frustration model -- Macroscopic description of spin glasses -- Spin glasses for the long ranged and short ranged bond ising models without using the replica method -- Spin glass with nonmagnetic impurities -- Magnetic excitations in ferromagnets and structural disorder -- May disorder create frequency gaps in phonon spectra? -- Mott versus anderson localization in 1t-TaS2 -- Theory of impurity states in heavily doped semiconductors -- “On the fermi surfaces of random substitutional alloys” -- Theory of superconducting transition temperature, pair susceptibility, and coherence length -- Phase transitions and symmetry -- Theory of elastic phase transitions and soft acoustic modes -- Structural phase transitions into incommensurate phases -- On the theory of structural phase transitions in magnetic crystals -- Displacive reconstruction phase transitions of clean transition metal and semiconductor surfaces -- Dense phases of hydrogen -- Properties of metals and the local geometry of the fermi surfaces -- A new method of obtaining information about phonon density of states and electron-phonon interaction in metals -- Interaction between strong radiation fields and two-level atoms: A canonical transformation approach

Description / Table of Contents: States and effects -- Operations -- The first Representation theorem -- Composite systems -- The second representation theorem -- 6 Coexistent effects and observables -- References

Description / Table of Contents: Electron loss to the continuum for light ions -- Theoretical description of the cusp electrons ejected in asymmetric heavy-ion collisions -- Double differential cross section for electron capture to the continuum with molecular projectiles -- Density matrix description of collisional electron transfer into the continuum of ionic projectiles -- A time dependent secondary electron transport model -- Continuum-electron capture by 25-250-keV protons in helium -- The influence of a diffuse target on electron loss into the continuum double differential distributions -- CUSP studies for simple collision systems -- Doubly differential emission distributions for electron loss to the continuum from fast heavy projectiles in gas targets -- Projectile continuum electrons in highly charged ion-atom collisions -- L-shell vacancy production by electron capture to projectile-centered continuum states (ECC) in proton-argon collisions -- Electron capture into metastable Kr8+ recoil ions -- Three dimensional convoy electron velocity distributions produced by 60-270 keV proton impact on carbon foils -- Anomalous mean free paths for scattering of convoy electrons generated by fast, highly ionized ions in thin solid targets -- Rydberg-state production in collisions between fast ions and carbon targets -- Convoy electrons from atomic and molecular heavy ion collisions with solids -- Alignment of high rydberg states in hydrogen

Description / Table of Contents: Lasers sources -- Lasers as stable frequency sources -- Electron sources -- Intense sources of thermal neutrons for research -- X-ray sources -- Ultrasonic waves and optics -- Imaging processes and coherence in optics -- Propagation of neutron beams -- Coherence of illumination in electron microscopy -- Propagation of sound and ultrasound in non-homogeneous media -- Classical apples and quantum potatoes -- Outline of a coherent theory of skiing -- Wave-matter interactions : A general survey -- Basic X-ray interactions with matter -- Scattering experiments in ultrasonic spectroscopy -- Acousto-optical interactions -- H.F. phonon transmission as a probe of condensed matter -- Infrared detectors infrared imaging systems -- The elastic scattering of fast electrons -- Inelastic electron scattering -- Interaction of thermal neutrons with matter -- Structure information retrieval from solution X-ray and neutron scattering experiments -- Guided waves propagation and integrated optics -- Prospects for long-wavelength X-ray microscopy and diffraction -- Kinematical and dynamical diffraction theories -- Dynamical theory of X-ray propagation in distorted crystals -- Polarization phenomena in X-ray diffraction -- Perfect crystal neutron optics -- Coherent approach to neutron beam polarization -- X-ray and neutron interferometry -- X-ray topography : Principles -- Examples of X-ray topographic results -- Neutron topography -- Crystal diffraction optics for x-rays and neutrons -- Electron imaging techniques -- Speckle and intensity interferometry. Applications to astronomy -- Electron holography -- Prospects of X-ray holography -- Imageing by means of channelled particles -- Neutron optics using non-perfect crystals -- Ultrasonic real-time reconstruction imaging -- What can be done with high voltage electron microscopy? -- Transfer functions and electron microscope image formation -- Acoustic microscopy -- Use of coded apertures in gamma-imaging techniques -- Principles and techniques of acoustical imaging -- NMR imaging -- Nuclear scattering radiography -- Computerized tomography scanners -- Recording materials and transducers in optics -- Some applications in hybrid image processing -- X-ray image detectors -- Electron detectors -- Image processing of regular biological objects -- Cathodoluminescence topography -- Image processing in electron microscopy : Non-periodic objects -- Interpretation of X-Ray topography -- “Coherence is beautiful”

Description / Table of Contents: Narrow gap semiconductors - the state op the art -- Growth of some important narrow gap semiconductors -- Electrical transport and magnetic properties of MAs3 (M = Ca,Sr,Eu,Ba), ?- and ?-EuP3 and their alloys -- Tm1?xEuxSe: New narrow gap magnetic semiconductors -- Electronic properties of KxRb1?xAu , an indirect small gap semiconductor -- Growth of Sb2Te3 single crystals by hot-wall-epitaxy -- THM growth of PbTe -- Misfit strain in epitaxial IV-VI semiconductor films -- Structure defects in Pb 1-xSnxTe solid solution heterocompositions -- Influence of impurity doping on the electrical properties of LPE grown Pb1?xSnxTe and PbSeyTe1?y -- Plasma reflection spectrum of the Pb 1?xSnxTe inhomogeneous layers and vapour transport process of Pb 1?xSnxTe -- Molecular beam epitaxy of CdTe and CdxHg1?xTe -- The investigation of the second phase in Hg1?xCdxTe crystals -- Structural and electrical properties of as grown CdxHg1?xTe epitaxial layers deposited by cathodic sputtering -- Interfacial energy bands for narrow-gap semiconductors -- 2D-subbands in III-V and narrow-gap semiconductors -- Giant nonlinearities, optical bistability and the optical transistor in narrow-gap semiconductors -- Pulse width dependent nonlinear absorption in small gap semiconductors -- Photo-hall measurements of high-density photoexcited electrons in Hg1?x CdxTe -- The photoluminescence study of CdxHg1?xTe alloys -- Plasmon-assisted recombination in narrow-gap semiconductors in a magnetic field -- Calculation of the Auger lifetime in degenerate n-type (Hg,Cd)Te -- Excess carrier lifetime in Hg1?xCdxTe by population modulation spectroscopy -- Laser threshold and recombination in Pb1?xSnxTe AND PbS1?xSex -- Optical studies of a high density electron-hole plasma iN PbTe -- Far infrared optical properties of Cd3P2 AND Cd3As2 -- A new broadband near-millimeter wave detector using mercury-cadmium-telluride -- Non-linear magneto-optics in InSb pumped by A c.w. CO LASER -- Far-infrared studies of the bound and free carriers in n-InSb as a function of hydrostatic pressure -- High resolution magneto-optical studies of free and bound hole excitations in InSb -- Two-photon spectroscopy in InSb with cw CO2 Lasers -- Uniaxial-stress-enhanced electron spin resonance in InSb -- Optical four-wave mixing in pbte epitaxial layers -- Spin-flip resonances in cadmium arsenide -- Peculiarities of the band structure of HgSe and mixed crystals Hg1?xCdxSe from the interband magnet absorption -- Bandstructure of Pb1?xGexTe in the C3v - Phase -- Band structure of cubic and rhombohedral GeTe -- Dielectric properties of (Pb,Sn,Ge)Te-influences of defects -- Phase transitions and optical properties of IV-VI compounds -- Lattice dynamics and phase transitions in IV-VI compounds -- Pseudopotential approach to total energy calculations in narrow GAP semiconductors -- Lattice dynamics and phase transitions in IV-VI semiconducting compounds -- Composition and carrier concentration dependence of structural instabilities in PbTe-SnTe alloys -- Phonon and electrical resistivity anomalies at the displacive phase transition in Pb 1?XSnXTe and Pb 1?XGeXTe -- Coupled phase transitions in Pb1?xGexTe -- A neutron scattering study of lattice dynamics of HgTe and HgSe -- New aspects of the material and device technology of intrinsic infrared photodetectors -- HgCdTe liquid phase epitaxial growth technology -- Lattice-matched PbSnTe/PbTeSe heterostructure device technology -- Lead chalcogenide diode lasers: State of the art and applications -- Magnetic properties of semimagnetic semiconductors -- Magnetization of narrow gap semimagnetic semiconductors Hg1?xMnxTe AND Hg1?xMnxSe -- Microwave and far infrared magnetotransmission studies in Hg1?xMnxSe -- Acceptor states in semimagnetic semiconductors in a magnetic field -- Magneto-optical studies of quaternary semimagnetic semiconductor alloys Hg1?x?yCdxMnyTe -- Infrared magnetoabsorption in zero gap Hg1?xFexTe and Hg1?xFexSe mixed crystals -- The quantum transport and the magnetic levels in Pb1?xMnxTe -- Shubnikov-de Haas effects in (Cd1?xMnx)3As2 alloys -- Theory of magnetic susceptibility of narrow gap semiconductors -- Advances in synthesized superlattices -- Electronic properties of graphite intercalation compounds -- Comparison of transport properties in various semimetals systems -- Optical properties of PbTe-Pb1?xSnxTe superlattices prepared by a hot wall technique -- Screening of impurities in strong magnetic fields and its influence on the transverse conductivity -- Anomalous behaviour of the magnetoresistance of Hg1?xCdxTe in the extreme quantum limit -- Stationary and time-resolved magnetotransport in n-TYPE Hg0.8Cd0.2Te and n-type InSb in the extreme magnetic quantum limit -- Modification of the classical magnetic freeze-out manifestations in n-type Hg1?xCdxTe(x 〉 18%) due to the presence of resonant levels -- Ionized-defect-scattering mobility in n-PbTe -- High pressure electron mobility in low electron concentration InSb samples at 77K -- Shubnikov de Haas oscillations in Cd3?xZnxAs2 alloys -- Bi2Se3 and Bi2Te3 single crystals doped with Sn atoms -- Ultrasonic anomaly near zero-gap state in CdxHgl1?xSe -- Size effects in thin semimetal wires -- Pressure spectroscopy of localized levels -- First order phase transition of Hall coefficient versus magnetic field, under hydrostatic pressure due to freeze-out on acceptor state in Hg0.836Cd0.164Te -- Nonradiative recombination at deep impurity levels in p-type Hg1-xCdxTe -- On the thermodynamic instability of n-type HgCdTe, and on acceptor levels, transport properties, and liftime of p-type HgCdTe -- Ion-implantation-induced defect levels in Pb1?xSnxTe -- Photoluminescence CF Pb1?xSnxTe (x ? 0.2) crystals doped with Cd and In -- Energy levels of native defects in n-Pb1-xSnxSe -- Localized “deep” defect states in PbSexTe1?x mixed crystals -- Strong coupling between the resonant state and the crystal lattice in n-InSb -- Binding energies of charged impurity centres in narrow gap materials with large lattice polarizability -- The widening application of narrow-gap semiconductors - closing address at the 4th international conference on the physics of narrow-gap semiconductors

Description / Table of Contents: Classical regular systems -- Classical singular systems -- The reduced phase-space -- Quantization of constrained systems -- The electromagmetic field -- Yang-Mills theory -- The relativistic particle -- The relativistic string -- Einstein's theory of gravitation

Description / Table of Contents: to global supersymmetry -- N=1 and N=2 supergravities coupled to yang-mills theories: General couplings and spontaneous symmetry breaking -- N=1 Supergravity unified theories and their experimental signatures -- TEV scale models with two supersymmetries -- Aspects of N=1 supergravity models -- Geometric hierarchy - global and local SUSY -- Supersymmetry, compositeness and a new approach to generation problem -- Search for supersymmetric particles -- Methods in non-perturbative field theory -- Anomalies and index theory -- Stochastic quantization, associated supersymmetry and Nicolai map -- Chiral symmetry, 1/N expansion and low energy quantum chromodynamics -- Numerical simulations - Canonical and microcanonical

Description / Table of Contents: The time-dependent variational principle (TDVP) -- Lie algebras and symplectic structures -- Symplectic structure on group representation spaces -- Geometry of the TDVP -- Simple applications -- The unitary group and examples from many-body physics -- The group SU(1,1) and rotationally invariant Hamiltonians -- Summary

Description / Table of Contents: The principles of neutron spin echo -- The polarised neutron technique of neutron spin echo -- Theory of neutron spin-echo spectrometry -- The IN11 neutron spin echo spectrometer -- Dynamics of dilute polymer solutions -- Dynamics of micelle solutions -- Tentative use of NSE in biological studies -- A proposal for determining h/mn with high accuracy -- Neutron spin echo study of spin glass dynamics -- Neutron spin echo investigation of elementary excitations in superfluid 4He -- Comparison of the performance of the backscattering spectrometer IN10 and the neutron spin-echo spectrometer IN11 on the basis of experimental results -- Neutron phase-echo concept and a proposal for a dynamical neutron polarisation method -- Separation of thermal diffuse scattering by NSE in diffraction studies -- Neutron spin echo and three-axis spectrometers -- Conclusion : Critical points and future progress