Dissertations / Theses on the topic 'Plasma (Physik)'
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Jiang, Ke. "Particle manipulation in plasma device & Dynamics of binary complex plasma." Diss., lmu, 2011. http://nbn-resolving.de/urn:nbn:de:bvb:19-133463.
Full textHeissler, Patrick. "Relativistic laser plasma interaction." Diss., lmu, 2012. http://nbn-resolving.de/urn:nbn:de:bvb:19-146019.
Full textGoldberg, Lars [Verfasser], and Bernhard [Akademischer Betreuer] Schmidt. "Spectroscopic Electron Density Determination of Plasma Targets for Plasma Wakefield Acceleration / Lars Goldberg ; Betreuer: Bernhard Schmidt." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2019. http://d-nb.info/1178672786/34.
Full textMitic, Slobodan. "Physical Processes In Complex Plasma." Diss., lmu, 2010. http://nbn-resolving.de/urn:nbn:de:bvb:19-118825.
Full textJiang, Ke [Verfasser], and Gregor Eugen [Akademischer Betreuer] Morfill. "Particle manipulation in plasma device & Dynamics of binary complex plasma / Ke Jiang. Betreuer: Gregor Eugen Morfill." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2011. http://d-nb.info/1015169791/34.
Full textLieb, Stefan. "Plasma-Neutralgas-Wechselwirkung im interstellaren Medium." Diss., lmu, 2008. http://nbn-resolving.de/urn:nbn:de:bvb:19-80251.
Full textKaminski, Matthias. "Holographic quark gluon plasma with flavor." Diss., kostenfrei, 2008. http://edoc.ub.uni-muenchen.de/8786/.
Full textWeller, Daniel [Verfasser]. "Thermal Rydberg Spectroscopy and Plasma / Daniel Weller." München : Verlag Dr. Hut, 2019. http://d-nb.info/1196415722/34.
Full textOehmigen, Katrin [Verfasser]. "Plasma-Flüssigkeits-Wechselwirkungen / Katrin Oehmigen." Greifswald : Universitätsbibliothek Greifswald, 2014. http://d-nb.info/1046593110/34.
Full textJaroschek, Claus. "Critical Kinetic Plasma Processes In Relativistic Astrophysics." Diss., lmu, 2005. http://nbn-resolving.de/urn:nbn:de:bvb:19-46601.
Full textRöcker, Thomas Bernhard. "Mode-coupling regimes in 2D plasma crystals." Diss., Ludwig-Maximilians-Universität München, 2014. http://nbn-resolving.de/urn:nbn:de:bvb:19-172783.
Full textThe present work is a cumulative thesis consisting of three refereed publications. It continues the diploma studies dealing with the self-consistent investigation of wake-mediated mode-coupling in plasma crystals. In the first paper, I investigate the ion-velocity distribution function (idf) of a weakly- ionized gas, subjected to a uniform electric field and ion-neutral charge-exchange collisions. The "reference" idf, based on the energy-dependent cross-section for argon, is calculated by Monte-Carlo (MC) simulations. I consider several analytical models (based on either constant cross-section or constant collision-frequency) and compare them with each other and to MC results. It is demonstrated that none of available models applies to the experimentally often relevant situation of slightly suprathermal ion-flow. Assuming constant cross-section and separability of idf, followed by subsequent application of Maxwellian- averaging, the integro-differential Boltzmann equation is reduced to a simple differential equation. Evidently, its solution reproduces the reference idf with good accuracy for arbitrary value of field strength. These studies are of fundamental importance for a variety of problems in complex plasmas - among them the charging of dust grains, the formation of wake fields and non-Hamiltonian dynamics. The second paper deals with the primary example of non-Hamiltonian dynamics in two-dimensional (2D) plasma crystals: The mode-coupling instability (MCI), induced by the wake-mediated interactions between grains. The corresponding theory is extended by using the linear-response formalism for the self-consistent description of particle interactions. In this approach, I employ the results from the first paper for subthermal and suprathermal regimes of ion flow. A mapping procedure relates the self-consistent coupling coefficients to the effective wake dipole moment - the parameter essentially characterizing the mode coupling in the framework of conventionally used Yukawa/point-wake model. I apply the mapping to several available experiments and compare theoretically obtained dipole moments with experimental data. In several cases, the resulting magnitude of dipole moment indicates strong mode-coupling, which was never systematically studied. In the third publication, I investigate the effects of strong grain-wake interactions on dispersion and polarization of dust-lattice wave modes in 2D plasma crystals. Strong coupling causes an "attraction effect" between the modes, making their polarizations elliptical. Upon hybridization, the Lissajous ellipses major axes rotate by 45° (but remain mutually orthogonal). I show the implications for experiments by calculating representative particle trajectories and spectral densities of longitudinal and transverse waves. Both these observables reveal the distinct fingerprints of elliptical polarization. Furthermore, I investigate the shift of the hybrid mode at strong coupling. The effect is found to be significant: The hybridization onset is at wave numbers which are notably smaller than the border of the first Brillouin zone (where the onset takes place in the regime of weak coupling).
Schulz, Christian [Verfasser]. "Novel Sensor Concepts for Plasma Diagnostics / Christian Schulz." München : Verlag Dr. Hut, 2017. http://d-nb.info/1126296104/34.
Full textLedernez, Loïc [Verfasser], and Gerald A. [Akademischer Betreuer] Urban. "Investigation of a magnetron enhanced AF plasma polymerization process for sensor coating = Untersuchung eines Magnetron-Angereicherten AF Plasma-Polymerisationsprozesses für Sensorbeschichtung." Freiburg : Universität, 2011. http://d-nb.info/1123463263/34.
Full textGoertz, Imke [Verfasser]. "Staub - Plasma Wechselwirkung in einer Doppelplasma-Anlage / Imke Goertz." Kiel : Universitätsbibliothek Kiel, 2011. http://d-nb.info/1020202122/34.
Full textHeinisch, Rafael Leslie [Verfasser]. "Surface electrons at dielectric plasma walls / Rafael Leslie Heinisch." Greifswald : Universitätsbibliothek Greifswald, 2013. http://d-nb.info/1043793488/34.
Full textCaliebe, David [Verfasser]. "Wechselwirkung geladener Projektile mit einem staubigen Plasma / David Caliebe." Kiel : Universitätsbibliothek Kiel, 2013. http://d-nb.info/1033548634/34.
Full textSteinmüller, Benjamin [Verfasser]. "Phase Transitions in Three-Dimensional Complex Plasma / Benjamin Steinmüller." Gießen : Universitätsbibliothek, 2018. http://d-nb.info/1171704666/34.
Full textMessner, Philipp [Verfasser]. "Tunable Laser-Plasma Acceleration with Ionization Injection / Philipp Messner." Hamburg : Staats- und Universitätsbibliothek Hamburg Carl von Ossietzky, 2020. http://d-nb.info/1230555242/34.
Full textReckenthäler, Peter. "Electron Pulses probing Plasma Dynamics and aligned Molecules." Diss., lmu, 2009. http://nbn-resolving.de/urn:nbn:de:bvb:19-107542.
Full textLayes, Vincent [Verfasser], los Arcos Teresa [Gutachter] De, and Achim von [Gutachter] Keudell. "Fundamental surface processes in HiPIMS plasmas : physics and chemistry at the plasma magnetron target interface / Vincent Layes ; Gutachter: Teresa De los Arcos, Achim von Keudell ; Fakultät für Physik und Astronomie." Bochum : Ruhr-Universität Bochum, 2021. http://d-nb.info/123941899X/34.
Full textNave, Andy [Verfasser]. "Physico-chemical investigation of plasma induced deposition processes / Andy Nave." Greifswald : Universitätsbibliothek Greifswald, 2017. http://d-nb.info/1141405997/34.
Full textJürgens, Peter [Verfasser]. "Strong-field induced plasma formation in solid dielectrics / Peter Jürgens." Berlin : Freie Universität Berlin, 2021. http://d-nb.info/1230407448/34.
Full textZeniieh, Dani [Verfasser], and Gerald A. [Akademischer Betreuer] Urban. "Plasma polymer-parylene films: a study of flexible multilayer encapsulation." Freiburg : Universität, 2017. http://d-nb.info/1156170621/34.
Full textRust, Felix. "In-medium effects in the holographic quark-gluon plasma." Diss., lmu, 2009. http://nbn-resolving.de/urn:nbn:de:bvb:19-104729.
Full textHefny, Mohamed Mokthar [Verfasser], Jan [Gutachter] Benedikt, and Achim von [Gutachter] Keudell. "Experimental study of cold atmospheric plasma for plasma medicine research and applications / Mohamed Mokthar Hefny ; Gutachter: Jan Benedikt, Achim von Keudell ; Fakultät für Physik und Astronomie." Bochum : Ruhr-Universität Bochum, 2019. http://d-nb.info/1177364018/34.
Full textHefny, Mohamed Mokthar Verfasser], Jan [Gutachter] Benedikt, and Achim von [Gutachter] [Keudell. "Experimental study of cold atmospheric plasma for plasma medicine research and applications / Mohamed Mokthar Hefny ; Gutachter: Jan Benedikt, Achim von Keudell ; Fakultät für Physik und Astronomie." Bochum : Ruhr-Universität Bochum, 2019. http://d-nb.info/1177364018/34.
Full textHefny, Mohamed Mokthar Verfasser], Jan [Gutachter] [Benedikt, and Achim von [Gutachter] Keudell. "Experimental study of cold atmospheric plasma for plasma medicine research and applications / Mohamed Mokthar Hefny ; Gutachter: Jan Benedikt, Achim von Keudell ; Fakultät für Physik und Astronomie." Bochum : Ruhr-Universität Bochum, 2019. http://d-nb.info/1177364018/34.
Full textGolda, Judith [Verfasser], Achim von [Gutachter] Keudell, and Peter [Gutachter] Awakowicz. "Cross-correlating discharge physics, excitation mechanisms and plasma chemistry to describe the stability of an RF-excited atmospheric pressure argon plasma jet / Judith Golda ; Gutachter: Achim von Keudell, Peter Awakowicz ; Fakultät für Physik und Astronomie." Bochum : Ruhr-Universität Bochum, 2018. http://d-nb.info/116194222X/34.
Full textEngelhardt, Max [Verfasser], Peter [Gutachter] Awakowicz, and Thomas [Gutachter] Mussenbrock. "Plasma-induced ionization waves / Max Engelhardt ; Gutachter: Peter Awakowicz, Thomas Mussenbrock." Bochum : Ruhr-Universität Bochum, 2017. http://d-nb.info/1137380373/34.
Full textRapson, Christopher James [Verfasser]. "Numerical and experimental investigation of beam-plasma-instabilities / Christopher James Rapson." Greifswald : Universitätsbibliothek Greifswald, 2012. http://d-nb.info/1025066634/34.
Full textGahn, Christoph. "Erzeugung relativistischer Elektronen durch Propagation hochintensiver Laserpulse in einem Plasma." Diss., lmu, 2000. http://nbn-resolving.de/urn:nbn:de:bvb:19-3024.
Full textViezzer, Eleonora. "Radial electric field studies in the plasma edge of ASDEX." Diss., Ludwig-Maximilians-Universität München, 2013. http://nbn-resolving.de/urn:nbn:de:bvb:19-161574.
Full textKöritzer, Julia. "Biophysical effects of cold atmopheric plasma on glial tumor cells." Diss., Ludwig-Maximilians-Universität München, 2013. http://nbn-resolving.de/urn:nbn:de:bvb:19-162120.
Full textHubeny, Michael [Verfasser], Bernhard [Gutachter] Unterberg, and Uwe [Gutachter] Czarnetzki. "The dynamics of electrons in linear plasma devices and its impact on plasma surface interaction / Michael Hubeny ; Gutachter: Bernhard Unterberg, Uwe Czarnetzki ; Fakultät für Physik und Astronomie." Bochum : Ruhr-Universität Bochum, 2018. http://d-nb.info/1157095119/34.
Full textDutta, Nirupam [Verfasser]. "Heavy quarkonia in quark gluon plasma as open quantum systems / Nirupam Dutta. Fakultät für Physik." Bielefeld : Universitätsbibliothek Bielefeld, Hochschulschriften, 2013. http://d-nb.info/1032661151/34.
Full textCerri, Silvio Sergio [Verfasser]. "Plasma turbulence in the dissipation range - theory and simulations / Silvio Sergio Cerri." Ulm : Universität Ulm. Fakultät für Naturwissenschaften, 2016. http://d-nb.info/108198595X/34.
Full textCherednychek, Mykyta [Verfasser]. "Different regimes of high harmonics generation in plasma skin layer / Mykyta Cherednychek." Düsseldorf : Universitäts- und Landesbibliothek der Heinrich-Heine-Universität Düsseldorf, 2016. http://d-nb.info/1118687876/34.
Full textMartorelli, Roberto [Verfasser]. "Optimization of a train of bunches for plasma wakefield acceleration / Roberto Martorelli." Düsseldorf : Universitäts- und Landesbibliothek der Heinrich-Heine-Universität Düsseldorf, 2016. http://d-nb.info/1113747765/34.
Full textSchmidt-Bleker, Ansgar [Verfasser]. "Investigations on Cold Atmospheric Plasma Jets for Medical Applications / Ansgar Schmidt-Bleker." Greifswald : Universitätsbibliothek Greifswald, 2016. http://d-nb.info/1111579261/34.
Full textLopatik, Dmitry [Verfasser]. "On aspects of plasma surface interactions studied by spectroscopic techniques / Dmitry Lopatik." Greifswald : Universitätsbibliothek Greifswald, 2013. http://d-nb.info/1043667679/34.
Full textHaase, Fabian [Verfasser]. "A calorimetric study of plasma based thin film deposition applications / Fabian Haase." Kiel : Universitätsbibliothek Kiel, 2018. http://d-nb.info/1168229200/34.
Full textFrerichs, Heinke Gerd [Verfasser]. "Three-dimensional plasma transport in open chaotic magnetic fields : a computational assessment for tokamak edge layers / vorgelegt von Heinke Gerd Frerichs. [Forschungszentrum Jülich, Energieforschung (IEF), Plasma Physics (IEF-4)]." Jülich : Forschungszentrum, Zentralbibliothek, 2010. http://d-nb.info/1009786954/34.
Full textPralle, Arnd. "Physical properties of the plasma membrane studied by local probe techniques." Diss., lmu, 1999. http://nbn-resolving.de/urn:nbn:de:bvb:19-4128.
Full textMlynek, Alexander. "Real-time control of the plasma density profile on ASDEX Upgrade." Diss., lmu, 2010. http://nbn-resolving.de/urn:nbn:de:bvb:19-119218.
Full textBoxhammer, Veronika. "Developmant of a safe therapeutic window for cold atmospheric plasma treatments." Diss., Ludwig-Maximilians-Universität München, 2014. http://nbn-resolving.de/urn:nbn:de:bvb:19-177756.
Full textNomura, Yutaka. "Temporal characterization of harmonic radiation generated by intense laser-plasma interaction." Diss., kostenfrei, 2008. http://edoc.ub.uni-muenchen.de/8598/.
Full textChaudhuri, Manis. "Electric potential and ion drag force in highly collisional complex plasma." Diss., kostenfrei, 2008. http://edoc.ub.uni-muenchen.de/9178/.
Full textLunt, Tilmann. "Experimental investigation of the plasma-wall transition." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2008. http://dx.doi.org/10.18452/15837.
Full textIn the present work the streaming behavior of a magnetized argon plasma impinging on a neutralizing surface was investigated. For that purpose the ion velocity distribution was measured non-invasively as a function of the distance to the surface by means of Laser Induced Fluorescence. The spatial resolution was typically dz=0.5 mm. Two situations are investigated, (a): when practically the whole plasma streams onto a large target (diameter 100 mm), and (b): when the size of the target (diameter 15 mm) is significantly smaller than the diameter of the plasma column. In both cases the streaming velocity u was at least as high as the ion acoustic sound speed, as already predicted by Bohm in 1949. Under fusion relevant conditions this is the first direct observation of the Bohm criterion. Approaching the target surface the Mach number M=u/c_s increases from values of around 0.5 to 1 on typical scales of lambda_a=30 mm and lambda_b=5 mm, respectively. In order to explain these very short scale lengths the measured data were compared with a collisional-diffusive model in the case of (a) and with Hutchinson''s model[] in the case of (b). A good agreement was achieved in (a) by assuming a very low neutral gas temperature of about 400 K. In (b) the model fits the data excellently when the transport coefficient is chosen as high as D=20 m²/s. Such a high transport cannot be caused solely by diffusion. Partly it is explained by finite gyro-radii effects, but presumably time dependent phenomena, like drift waves, play an important role. In addition the dependence on the angle between surface normal and B-field was investigated. The supersonic fluxes found in the immediate vicinity of the surface are described fairly well by the model developed by Chodura[]. By contrast the size of the region, where Mach numbers greater one appear is significantly smaller than predicted.
Röcker, Thomas Bernhard [Verfasser], and Gregor [Akademischer Betreuer] Morfill. "Mode-coupling regimes in 2D plasma crystals / Thomas Bernhard Röcker. Betreuer: Gregor Morfill." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2014. http://d-nb.info/105687659X/34.
Full textHenrich, Robert [Verfasser]. "Development of a plasma simulation tool for Radio Frequency Ion Thrusters / Robert Henrich." Gießen : Universitätsbibliothek, 2014. http://d-nb.info/1068534648/34.
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