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  • 1
    Online Resource
    Online Resource
    Photoacoustic, Photothermal and Photochemical Processes in Gases. (1989)
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Details
    Keywords: Lasers in physics-Congresses. ; Photochemistry-Congresses. ; Thin films-Surfaces-Congresses. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (260 pages)
    Edition: 1st ed.
    ISBN: 9783642838514
    Series Statement: Topics in Current Physics Series ; v.46
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6575348
    Language: English
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  • 2
    Online Resource
    Online Resource
    Photoacoustic and Photothermal Phenomena : Proceedings of the 5th International Topical Meeting, Heidelberg, Fed. Rep. of Germany, July 27-30 1987. (1988)
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Details
    Keywords: Optoacoustic spectroscopy-Congresses. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (588 pages)
    Edition: 1st ed.
    ISBN: 9783540481812
    Series Statement: Springer Series in Optical Sciences Series ; v.58
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=6572787
    DDC: 621.361
    Language: English
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  • 3
    Online Resource
    Online Resource
    Pseudo-Complex General Relativity. (2015)
    Cham :Springer International Publishing AG,
    Details
    Keywords: Physics. ; Electronic books.
    Type of Medium: Online Resource
    Pages: 1 online resource (263 pages)
    Edition: 1st ed.
    ISBN: 9783319250618
    Series Statement: FIAS Interdisciplinary Science Series
    URL: https://ebookcentral.proquest.com/lib/geomar/detail.action?docID=4178570
    DDC: 530.11
    Language: English
    Note: Intro -- Preface -- Contents -- List of Figures -- 1 Mathematics of Pseudo-complex General Relativity -- 1.1 Definitions and Properties -- 1.2 Calculus -- References -- 2 Pseudo-complex General Relativity -- 2.1 The Attempt by A. Einstein -- 2.2 Caianiello's Observation -- 2.3 Concerns Brought Forward by M. Born -- 2.4 Hermitian Gravity -- 2.5 The Approach in pc-GR -- 2.6 Construction of Pseudo-complex General Relativity -- 2.7 A Modification of the Variational Principle -- References -- 3 Solutions for Central Masses: pc-Schwarzschild, pc-Kerr and pc-Reissner-Nordström -- 3.1 Modified Variational Procedure in an 8-dimensional Space -- 3.1.1 Isotropic and Anisotropic Fluids -- 3.2 The pc-Schwarzschild Solution -- 3.3 The pc-Kerr Solution -- 3.4 The pc-Reissner-Nordström Solution -- References -- 4 Pseudo-complex Robertson-Walker Metric -- 4.1 Solving the Equations of Motion -- 4.2 Some Consequences -- 4.3 An Oscillating Universe -- 4.3.1 The Adiabatic Expansion and Contraction of the Universe -- References -- 5 Observational Verifications of pc-GR -- 5.1 Motion of a Particle in a Circular Orbit: Orbital Frequency and Redshift -- 5.1.1 Radial Dependence of the Angular Frequency and Stable Orbits -- 5.1.2 Redshift for Schwarzschild- and Kerr-Type of Solutions -- 5.1.3 Effective Potentials and Circular Orbits -- 5.1.4 Galactic ``Black-Holes'' and Observational Verification by pc-GR -- 5.2 Raytracing Method and the Imaging of the Accretion Disk -- 5.2.1 Theoretical Background -- 5.2.2 Predictions -- 5.3 Conclusions -- References -- 6 Neutron Stars Within the Pseudo-complex General Relativity -- 6.1 Theoretical Background -- 6.1.1 Interior Region -- 6.1.2 Equation of State for Standard Matter -- 6.1.3 Equation of State for the Λ-term -- 6.1.4 Exterior Shell -- 6.1.5 Boundary Conditions -- 6.1.6 Energy Conditions. , 6.2 Numerical Framework, Results and Discussions -- 6.3 Resuming the Results Presented in This Chapter -- References -- 7 Pseudo-complex Differential Geometry -- 7.1 A Short Introduction to Differential Geometry -- 7.1.1 Topology -- 7.1.2 Differential Manifolds -- 7.1.3 Vectors and Tensors -- 7.1.4 Metric and Curvature -- 7.2 Pseudo-complex Differential Geometry -- 7.2.1 Pseudo-complex Manifolds as Product Manifolds -- 7.3 Pseudo-complex Tangent and Cotangent Spaces -- 7.3.1 Real Tangent and Cotangent Space of a Pseudo-complex Manifold -- 7.3.2 Pseudo-complexified Tangent and Cotangent Space -- 7.4 Metric -- 7.5 Connection and Curvature -- 7.6 Pseudo-complex General Relativity -- References -- Index.
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  • 4
    Online Resource
    Online Resource
    Chemie der laserinduzierten Abscheidung von Germanium, Silizium und Germanium-Silizium Legierungen : Schlußbericht ; [Abschlußdatum des Vorhabens: 31.12.1996] (1997)
    Heidelberg
    Details Availability
    Keywords: Forschungsbericht ; Amorpher Halbleiter ; Laser-CVD-Verfahren ; Optische Analyse
    Type of Medium: Online Resource
    Pages: 81 Bl , graph. Darst
    Edition: Online-Ausg. Hannover Technische Informationsbibliothek u. Universitätsbibliothek 2005 Online-Ressource (83 S., 5,01 MB)
    URL: https://edocs.tib.eu/files/e01fbdigf/499929705.pdf
    URL: https://doi.org/10.2314/GBV:499929705
    URL: https://edocs.tib.eu/files/e01fbdigf/499929705l.pdf
    DOI: 10.2314/GBV:499929705
    Language: German
    Note: Förderkennzeichen BMBF 0329172 A , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , TIB Hannover , Systemvoraussetzungen: Acrobat reader.
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  • 5
    Electronic Resource
    Electronic Resource
    Real-time detection of laser-induced transient gratings and surface acoustic wave pulses with a Michelson interferometer (1997)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 82 (1997), S. 4758-4762 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Laser-induced transient gratings (LITGs) at surfaces of absorbing materials were utilized to generate narrowband surface acoustic waves (SAWs). In these experiments, SAWs were excited thermoelastically by two crossed picosecond laser pulses and detected with an actively stabilized Michelson interferometer by measuring transient surface displacements in the sub-angstrom range in real time. In addition, coherent broadband SAW pulses with frequencies up to 350 MHz were excited by sharply focusing the laser beam with a cylindrical lens system onto the sample surface. The LITG experiments provide an extension of the frequency range achieved with the broadband SAW pulse technique. From the measurements of the dispersive SAW phase velocity for a 650 nm aluminum film on fused silica in the frequency range 10 MHz–1 GHz the density and elastic constants were determined by fitting the experimental data to the exact solution of the wave equations taking into account the boundary conditions. © 1997 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.366332
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  • 6
    Electronic Resource
    Electronic Resource
    Spectroscopic ellipsometry of germanium growth on hydrogen-terminated silicon (111) (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 1740-1742 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The nucleation and coalescence of high-quality amorphous hydrogenated germanium (a-Ge:H) films produced by ArF laser-induced chemical vapor deposition on different substrates was investigated by real-time spectroscopic ellipsometry (RTSE). The ellipsometric studies reveal a significant influence of the substrate surface on the nucleation stage which, in fact, determines the optical, electronic and mechanical properties of the bulk material. Coalescence of initial clusters occurs at 16 A(ring) film thickness for atomically smooth hydrogen-terminated c-Si(111) substrates, whereas on native oxide covered c-Si(100) substrates the bulk volume void fractions are not reached until 35 A(ring) film thickness. The formation of Si1−xGex (x=0.12) alloy was observed on the H-terminated Si(111) interface. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.117470
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  • 7
    Electronic Resource
    Electronic Resource
    In situ infrared transmission spectroscopy of nucleation and growth of amorphous hydrogenated silicon (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 4041-4043 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We present a series of IR transmission spectra with submonolayer resolution of the initial growth of amorphous hydrogenated silicon (a-Si:H) deposited by F2 laser (157 nm) chemical vapor deposition. The film thickness was measured simultaneously using a quartz crystal microbalance with appropriate sensitivity. The presented technique allows the evolution of the H content and bonding configuration on a silicon substrate to be monitored during nucleation and growth. It provides a comparable or even higher sensitivity than that achieved by reflection absorption spectroscopy using metal surfaces or methods applying multilayer "optical cavity'' structures to enhance the IR absorption. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.117864
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  • 8
    Electronic Resource
    Electronic Resource
    Mechanisms of Interaction of Permeant Ions and Protons with Dihydropyridine-Sensitive Calcium Channels (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 560 (1989), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1989.tb24082.x
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  • 9
    Electronic Resource
    Electronic Resource
    Transformation Changes the Functional Expression of Calcium Channels in Fibroblasts (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 560 (1989), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1989.tb24087.x
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  • 10
    Electronic Resource
    Electronic Resource
    Application of acoustic resonators in photoacoustic trace gas analysis and metrology (2001)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 72 (2001), S. 1937-1955 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: The application of different types of acoustic resonators such as pipes, cylinders, and spheres in photoacoustics is considered. This includes a discussion of the fundamental properties of these resonant cavities. Modulated and pulsed laser excitation of acoustic modes is discussed. The theoretical and practical aspects of high-Q and low-Q resonators and their integration into complete photoacoustic detection systems for trace gas monitoring and metrology are covered in detail. The characteristics of the available laser sources and the performance of the photoacoustic resonators, such as signal amplification, are discussed. Setup properties and noise features are considered in detail. This review is intended to give newcomers the information needed to design and construct state-of-the-art photoacoustic detectors for specific purposes such as trace gas analysis, spectroscopy, and metrology. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1353198
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