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edoc.ub.uni-muenchen.de 檢索結果共 11226 筆,本頁資料從第 85 筆到第 96 筆

Ultrafast electron diffraction is a pump--probe technique that allows the visualisation of molecular dynamics with atomic scale resolution. However, the fastest electronic and atomic dynamics in light-driven matter transformations are, as yet, unmeasureable with this technique. This is because the temporal resolution in ultrafast electron diffraction is limited by diffi....

By Matthew Walbran--Ludwig-Maximilians-Universität München--2015-09-25
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By Zhen Zhao--Ludwig-Maximilians-Universität München--2015-09-24
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In this thesis we study geometric corrections to the low-energy effective actions of string theory. More concretely, we compute higher-derivative corrections to the couplings of three-dimensional, N = 2 supergravity theories and interpret the induced α′-corrections in N = 1, minimal supergravity theories in four dimensions, in the framework of F-theory. These allow f....

By Matthias Weissenbacher--Ludwig-Maximilians-Universität München--2015-09-23
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The goal of this thesis is a mathematical understanding of a phenomenon called Anderson's Orthogonality in the physics literature. Given two non-interacting fermionic systems which differ by an exterior short-range scattering potential, the scalar product of the corresponding ground states is predicted to decay algebraically in the thermodynamic limit. This decay is ref....

By Martin Gebert--Ludwig-Maximilians-Universität München--2015-09-23
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By Chong Fang--Ludwig-Maximilians-Universität München--2015-09-22
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By Lucia Duca--Ludwig-Maximilians-Universität München--2015-09-18
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By Kohei Moriya--Ludwig-Maximilians-Universität München--2015-09-18
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The present work deals with the idea of a multi-time wave function, i.e. a wave function with N space-time arguments for N particles. Firstly, a careful derivation of the necessity of multi-time wave functions in relativistic quantum mechanics is given and a general formalism is developed. Secondly, the physical meaning of multi-time wave functions is discussed in con....

By Matthias Lienert--Ludwig-Maximilians-Universität München--2015-09-16
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Bacteria necessitate multiple signal transduction systems to sense the ever-changing environments and mediate the cellular response accordingly. The major bacterial signal transduction systems are one-component system (1CS), two-component system (2CS) and extracytoplasmic function (ECF) σ factor. Compared to 1CSs and 2CSs, ECF σ factors have only been identified much ....

By Xiaoluo Huang--Ludwig-Maximilians-Universität München--2015-09-08
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By Christine Stürzer--Ludwig-Maximilians-Universität München--2015-09-07
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By Juliane Bartmann--Ludwig-Maximilians-Universität München--2015-09-02
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Chronic obstructive pulmonary disease (COPD) is characterized by an irreversible loss of lung function and is one of the most prevalent and severe diseases world-wide. A major feature of COPD is emphysema- a long-term, progressive condition. The hallmark of emphysema includes the destruction of alveolar structures leading to enlarged air spaces and reduced surface area.....

By Rim Sabrina Jahan Sarker--Ludwig-Maximilians-Universität München--2015-08-26
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