Here you can find the bibliographic information of Ph.D. thesis up to the year 2004. Later Ph.D. thesis are maintained by the Faculty V (see here). If a link to a document's full text is set here due to advice by the candidate, its content is not authorised by the department. The department is not taking any responsibility for these texts to be identical with the thesis handed in for the examination.

Barth, Stephan
"Development of a high-resolution velocity sensor"

Page, Steffen
"Investigation of the energy rate balance of the three-dimensional, planar Couette flow when simulated with the finite Galerkin method"

Huber, Rainer
"Objective assessment of audio quality using an auditory processing model"

Dicke, Ulrike
"Neural models of modulation frequency analysis in the auditory system"

Klemmt, Maren
"The fullerene C₆₀ as a molecular probe for studies on electron transfer in the mass spectrometric method of desorption/ionisation"

Wagener, Kirsten Carola
"Factors influencing sentence intelligibility in noise"

Lange, Matthias
"Analysis of the Uncertainty of Wind Power Predictions"
"Power prediction of spatially distributed wind turbines with special consideration of the thermal stratification of the atmosphere"

Roesch, Maximilian
"Experiments and numerical modelling of charge carrier transport in a-Si:H/c-Si heterodiodes"

Fobel, Oliver
"Auditory brainstem and middle-latency responses with optimised stimuli: Experiments and models"

Ewert, Stephan
"Auditory spectro-temporal processing in the envelope-frequency domain"

Deibel, Carsten
"Defect Spectroscopy on Cu(In,Ga)(S,Se)₂-Based Heterojunction Solar Cells"

Lange, Bernhard
"Modelling the Marine Boundary Layer for Offshore Wind Power Utilisation"

Heinze, Katrin Gertrud
"Fluorescence correlation spectroscopy and two-photon excitation in biomolecular analytics"

Sichau, Christian
"The viscosity experiments of J.C. Maxwell and O.E. Meyer"

Fricke-Begemann, Thomas
"Optical Measurement of Deformation Fields and Surface Processes with Digital Speckle Correlation"

Oehlstrom, Karsten
"Preparation and characterisation of cadmium stannate as an alternative transparent conductive oxide"

Hein, Mathias
"Development and comparison of two concentrating photovoltaic systems for the economic use of high-efficiency III-V solar cells"

Hey, Matthias
"Channel separation during high-rate sequential pulsatile electrical stimulation of the cochlea"

Kleinschmidt, Michael
"Robust speech recognition based on spectro-temporal processing"

Riedel, Helmut
"Analysis of early auditory evoked potentials elicited by stimuli with directional information"

Bellmann, Michael
"Perception of whole-body vibrations"

Köntges, Marc
"Illumination-dependent charge transport through deep compensating impurities in CdTe and Cu(In,Ga)Se2 solar cells"

Appell, Jens-Ekkehart
"Loudness models for rehabilitative audiology"

Renner, Christoph Alexander
"Markov analyses of stochastically fluctuating time series"

Bornemann, Lars
"Spatio-temporal imaging of current filaments in p-germanium using a low-temperature scanning laser microscope"

Letz, Tobias Georg
"Theoretical aspects of the control of a frequency-doubled solid-state laser and the influence of noise on its dynamics"

Breves, Wiebke
"Bio-optics in the Arabian Sea"

Mülken, Oliver
"Phenomenology of phases: from nuclear multifragmentation to Bose-Einstein condensation"

Harting, Jens
"Path integral Monte Carlo simulations and their relation to recent advances in nanophysics"

Stamerjohanns, Heinrich
"Phase transitions in magnetic clusters and other finite systems"

Frerichs, Friedhelm
"Investigations of the Kirkendall effect in the entire concentration range of binary diffusion systems"

Frercks, Jan
"The research practice of Hippolyte Fizeau"

Hausmann, Johannes
"Statistical mechanics of strongly driven Ising systems"

Wanschura, Thorsten
"Statistical mechanical models for image processing"

Hartmann, Betti
"Monopoles and Dyons in Flat and Curved Space"

Otten, Jörn
"Factors influencing acoustical localisation"

Anemüller, Jörn
"Across-frequency processing in convolutive blind source separation"

Lück, Stephan
"Scale-resolved experiments and statistical analyses of turbulent wake flows"

Wilkens, Volker
"Dielectric optical interference layer hydrophones for temporally and spatially high-resolution measurement of ultrasonic fields"

Berg, Daniel
"Optical pumping as a non-invasive method for the investigation of state changes in photosynthetic systems"

Wittkop Thomas
"Two-channel noise reduction algorithms motivated by models of binaural interaction"

Hoettecke, Dietmar
"Understanding the nature of the natural sciences historically"

Rubarth, Boris
"Doping of amorphous hydrocarbon layers"

Marzinzik, Mark
"Noise Reduction Schemes for Digital Hearing Aids and their Use for the Hearing Impaired"

Reckhardt, Carsten
"Factors influencing equal-loudness level contours"

Hammer, Annette
"Application-specific solar radiation information from Meteosat data"

Burke, Jan
"Application and Optimisation of the Spatial Phase Shifting Technique in Digital Speckle Interferometry"

Müller-Hirsch, Wolfgang
"Heat transfer in ultra-high vacuum scanning thermal spectroscopy"

Mönnich, Kai Heinrich
"Prediction of the power output of grid-feeding wind turbines to support power plant utilisation planning"

Giebel, Gregor
"On the Benefits of Distributed Generation of Wind Energy in Europe"

Tchorz, Jürgen
"Auditory-based signal processing for noise suppression and robust speech recognition"

Harsdorf, Stefan
"Scattered light imaging and fluorescence measurements with an underwater lidar"

Rechid, Juan
"Electrical microcharacterisation of electrochemically produced CIS solar cells using EBIC"

Moraes-Duzat, Rejane
"Analytical and experimental investigation of photovoltaic pumping systems"

Nocke, Christian
"In-situ measurement of the acoustic (wall) impedance"

Kern, Axel
"An investigation of diffusion-induced isotropic volume expansions in thin gold/silver samples"

Zerbs, Carsten
"Modelling the effective binaural signal processing in the auditory system"

Koch, Karsten
"Luminescence through high-energy atomic and cluster ions"

Deppe, Joachim
"Spatially resolved photocurrent measurements (OBIC) at the semiconductor/electrolyte contact in the sub-micrometre range"

Zielinski, Oliver
"Bio-optical modelling of the pelagic ecosystem north of the Canary Islands"

Barth, Hans
"Substance-specific analysis of spectral attenuation coefficients and their influence on the radiation field in the sea"

Engelhardt, Frank
"Defect spectroscopy of solar cells and Schottky contacts based on the semiconductor Cu(In,Ga)Se₂"

Seifert, Oliver
"Persistent photoconductivity in thin GaN and AlGaN layers"

Derleth, Ralph Peter
"Temporal and Compressive Properties of the Normal and Impaired Auditory System"

Meyer, Thorsten
"Reversible relaxation phenomena in the electrical transport of Cu(In,Ga)Se₂"

Spille, Andreas
"Nonlinear stability analysis of 3D Couette flow under consideration of energy transfer conservation"

Burmeister, Björn
"Transport Processes in Quantum Spin Systems"

Siemoneit, Kerstin
"Investigation of charge transfer mechanisms at gallium arsenide and indium phosphide electrolyte interfaces using impedance and phase-sensitive photocurrent spectroscopy"

Goldbach, Matthias
"Charge transport in dimensionally reduced solids"

Schomburg, Annette
"Sound scattering in the atmospheric boundary layer"

Voigt, Reimar
"On a theory of the formation of surface deformations on diffusion samples in connection with the Kirkendall effect"

Hansen, Martin
"Assessment and prediction of speech transmission quality with an auditory processing model"

Sood, Abha
"Non-Abelian Theories in Gravitational Fields"

Weichert, Andreas
"Time series analysis of natural systems with neural networks and methods of statistical physics and nonlinear dynamics"

Terjung, Frank
"Spectroscopic analysis of the adaptation mechanisms of leaves to increased light intensities"

Handwerker, Jan
"Development of a SODAR for the contactless measurement of inhomogeneous wind fields"

Waldl, Hans-Peter

"Modelling the power output of wind farms and optimising the installation geometry"

Heinz, Georg

"Spatial structure formation in quasi-one-dimensional conductors"

Huepper, Bruno

"Semiclassical Cross Sections for Chemical Reactions"

Wehrspohn, Ralf B.

"Porous amorphous silicon - pore formation and photoluminescence properties"

Muehler, Roland

"Experimental investigations and model calculations for the reduction of residual noise in the registration of auditory evoked potentials of early latency"

Pukrop, Detlef

"On the modelling of large-scale photovoltaic generators"

Buenner, Martin

"The identification of time-retarded systems by means of time series analysis"

Torsten Becker

"Drag reduction in non-Newtonian fluids"

de Vries, Heiko
"Scale invariance in branched structures"

Gabriel, Brigitta
"Equal-loudness Level Contours: Procedures, Factors and Models"

Boerger, Gotthard
"Turbulence-induced structure formation in plankton"

Degner, Thomas
"Analysis of the operating behaviour of wind-diesel systems with special consideration of the storage design and the operating strategy"

Seelhorst, Ulrich
"Investigation of rotor blade tip vortices using a 3-component laser Doppler anemometer"

Scheidsteger, Thomas
"A universal method for the determination of Cantorus phase transitions in generalised Frenkel-Kontorova models"

Seyler, Andreas
"Investigation of Cantor spectra with graph theoretical and fractal calculus methods"

Neumann, Joachim
"Recording Techniques, Theory and Audiological Applications of Otoacoustic Emissions"

Dau, Torsten
"Modelling auditory processing of amplitude modulation"

Heering, Peter
"The basic law of electrostatics. Experimental replication, scientific-historical analysis and didactic consequences"

Daniel, Peter
"Calculation and categorical assessment of the roughness and unpleasantness of synthetic and technical sounds"

Determann, Stefan
"Analysing biological and biochemical processes in the sea with fluorescence spectroscopy"

Haas, Anneliese
"Determining storage requirements in solar-electric energy supply systems from irradiation characteristics"

Parlitz, Dietrich
"The influence of multisensory integration on auditory perceptual performance using the example of audiovisual stimulus complexes"

Launer, Stefan
"Loudness Perception in Listeners with Sensorineural Hearing Impairment"

Borrmann, Peter
"Path integrals and clusters"

Nolte, Guido
"The sphaleron barrier in the weak interaction"

Teuber, Sabine
"Sound propagation in porous absorbers"

Gauterin, Frank
"Objectification of the subjective assessment of temporally fluctuating low-frequency tyre noise"

Sander, Andres
"Psychoacoustic aspects of the subjective separability of sounds"

Hinrichs, Heiko
"Use of holographic and stereoscopic techniques to capture three-dimensional velocity fields in flows with particle double exposure photography"

Zachrau, Thomas
"Nonlinear stability analysis with interval normal form using the example of two-dimensional plane Poiseuille flow"

Jia, Xinan
"Development and Application of Simulation Models for Latent Heat Energy Storage with Special Consideration of Solar Process Heat Application"

Algermissen, Joerg
"Ultrashort fluorescence spectroscopy for the characterisation of cyanine dyes"

Göttsche, Joachim
"Characterisation and optimisation of electrochromic tungsten oxide films for use in systems for passive solar energy utilisation"

Henning, Hans-Martin
"Regeneration of adsorbents with solar-generated process heat"

Hölscher, Claudia
"Spatially high-resolution holographic interferometry for the investigation of microdeformations in historical building materials"

Gülker, Gerd
"Deformation and correlation measurements on monumental rock under the influence of moisture with electronic speckle pattern interferometry (ESPI)"

Günster, Stefan
"Production and investigation of 'p/n' heterojunction solar cells from the organic dyes phthalocyanine and perylene"

Kaman, Nurettin
"The use of molecular sieve zeolites for the separation of ethanol-water mixtures"

Steinberger-Willms, Robert
"Investigation of the fluctuation of the power output of namely extended wind and solar energy converter systems with regard to their integration into electrical supply networks"

Sill, Albert
"On the propagation of light in a turbulent temperature field"

Baowen, Li
"Sound Propagation in Turbulent Media. Backscattering and Wide Angle Scattering Generalisation of Parabolic Equation"

Wang, Hexin
"Chlorophyll a and Gelbstoff in the Wadden Sea: A Spectroscope Study and Remote Measurements for Assessing Phytobenthic Biomass ans Classifying Tidal Flats by Means of Laser Flourosensors"

Nann, Stefan
"Variability of the spectral irradiance of solar radiation and its influence on the efficiency of solar cells"

Kappertz, Peter
"A Classical Approach to the Ionisation of Hydrogen Atoms in a Circularly Polarized Microwave Field"

Hengstermann, Theodor
"Investigations on laser remote sensing of marine oil spills"

Mittenzwey, Klaus-Hendrik
"Experiments on reflectance and laser-induced fluorescence spectroscopy in the optical spectral range for the field measurement of selected quality characteristics of surface waters"

Suhr, Wilfried
"On the change in the physical mode of operation through the use of computers"

Block, Arthur
"Deterministic and stochastic structure formation of disordered systems and generic scale invariances"

Hohenwarter, Dieter
"Sound radiation and sound propagation of incoherent sources with integrable directional characteristics"

Liu, Liren
"Grating diffraction interference effects and their use to interfereometry"

Große, Ralf
"Propagation of waves in stochastic media. A generalisation of the parabolic approximation to longer wavelengths "

Betke, Klaus
"Hearing threshold and curves of equal level loudness in the plane sound field "

Kammer, Hans Friedrich
"Elementary Electronic Processes in Electronic Sputtering"

Trieb, Franz Xaver
"Hydrogen energy storage for autonomous electrical energy supply systems based on renewable sources"

Kougias, Charilaos
"Simulating a Small-Scale Oceanic Front of River Discharge Type with the Lattice Gas Automata Method"

Meyer, Jutta
"Boson fermion and baryon mapping of multiquark states"

Nasilowski, Ralf
"A cellular-automaton fluid model with simple rules in arbitrarily many dimensions"

Wempen, Johann
"Sound propagation over the ground"

Franke, Gert
"Structure and thermodynamics of small clusters"

Heinemann, Detlev
"On the control of renewable energy supply systems using energy weather forecasts"

Schultz von Glahn, Manfred
"Investigation into the propagation of a sound wave in a turbulent temperature field"

Klug, Helmut
"Sound pulses as a measuring probe for determining meteorological influences on sound propagation"

Schulte, Jürgen
"The self-consistent calculation of the dipolar dispersion interaction, its influence on the structure and stability of small noble gas clusters and the semi-classical simulation of thermal noble gas clusters"

Wendel, Michael Horst
"Quark interaction in 1-mode QCD"

Meya, Jörg
"Electrodynamics in the 19th century: Reconstruction of its development as a concept of honest mediation"

Arnold, Wolfgang
"Particle double exposure photography (PIV) and its efficient optical evaluation for the characterisation of spatial flow fields"

Sibum, Heinz Otto
"Understanding physics from its history: The historical reconstruction of pre-scientific experiences with electricity and their significance in the mediation process"

Ritschel, Uwe
"Variation analysis of the effective potential and the particle spectrum of quantum field theories with interaction"

Busch, Rainer
"Diffusion-induced change in surface topography in the Kirkendall effect"

Urbschat, Harry
"Dynamic and critical behaviour of quasiperiodic systems"

Beyer, Hans Georg
"On the determination of the energetic behaviour of regenerative electricity supply systems with special consideration of the statistical characteristics of wind and solar radiation"

Seelert, Wolf
"Photocalorimetric spectroscopy of Cr(III) ions in laser crystals and silicate glass. A new, photothermal method for the absolute determination of photophysical parameters"

Diebel, Dorothee
"Depth-resolved laser remote sensing of layered structures in the sea using yellow material as a tracer substance"

Keller, Wiprecht W.
"Picosecond fluorescence and energy transfer of self-aggregated chlorophyll a molecules. Structural and dynamic properties of a model system for the photoactive centre PSII of photosynthesis"

Wilken, Wilfried
"Investigation of sound propagation in the turbulent atmosphere by correlation analysis and fractal dimensional analysis"

Gabler, Hansjörg
"Optimisation of the design of a regenerative energy system. Model calculation for the energy laboratory in Oldenburg"

Günther, Kurt P.
"The dependence of in vivo chlorophyll a fluorescence of marine phytoplanton on global radiation - A contribution to the interpretation of fluorescence remote sensing signals -"

Tsarouhas, Georgios
"Stability analyses of the Lorenz model using analytical nonlinear methods"

Naumann, Ekkehart
"Dealing with nature and technology as an aid to coping with life for lower secondary school pupils"

Gehlhaar, Ulrich
"An oceanographic fluorescence LIDAR system for the detection of tracer dyes"