Mathematisch-Naturwissenschaftliche Fakultät: Suche
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Low-energy scattering on the lattice
(2014-06-24)
In this thesis we present precision benchmark calculations for two-component fermions in the unitarity limit using an ab initio method, namely Hamiltonian lattice formalism. We calculate the ground state energy for unpolarized ...
Spindynamik von Elektronenstrahlen in Kreisbeschleunigern
(2014-07-01)
Spinpolarisierte Teilchenstrahlen bereichern seit den Experimenten von Stern und Gerlach physikalische Experimente in einer Vielzahl von Anwendungen. Gerade in der Hochenergiephysik kamen in der jüngeren Vergangenheit ...
Neurotransmitter receptors in mouse models of Alzheimer’s disease
(2014-06-20)
Alzheimer's disease (AD) is the most common form of dementia. The disease occurs in a common sporadic and a familiar form (FAD). Both forms show a very similar clinical and pathological picture, with ß-amyloid (Aß) plaques ...
Wilson loops, instantons and quantum mechanics
(2014-06-26)
In this thesis we will examine two different problems. The first is the computation of vacuum expectation values of Wilson loop operators in ABJM theory, the other problem is finding the instanton series of the refined ...
Temporal Dynamics of Bose-Condensed Gases
(2014-06-20)
We perform a detailed quantum dynamical study of non-equilibrium trapped, interacting Bose-condensed gases. We investigate Josephson oscillations between interacting Bose-Einstein condensates confined in a finite size ...
A Unified Formation Scenario for the Zoo of Extended Star Clusters and Ultra-Compact Dwarf Galaxies
(2014-07-18)
In the last decade, very extended old stellar clusters, which cover a large mass range, have been found in various types of galaxies in different environments. Objects with masses comparable to normal globular clusters ...
Steuerung und Überwachung einer Zeitprojektionskammer mit GEM-Auslese
(2014-03-10)
Für ein tieferes Verständnis der starken Wechselwirkung und des Aufbaus der Nukleonen untersucht das CBELSA/TAPS-Experiment im Rahmen des Sonderforschungsbereichs SFB/TRR 16 "Elektromagnetische Anregung subnuklearer Systeme" ...
Untersuchungen der Hyperfeinwechselwirkung in halbleitenden oder isolierenden Oxiden an den Beispielen HfO2, Ga2O3 und Al2O3
(2014-02-07)
Angefangen bei Kupferoxid (CuO) als einem der ersten, in größerem Maßstab verwendeten Halbleitern überhaupt, bis hin zu den Arbeiten der letzten Jahren an Elektroden aus transparenten, elektrisch leitfähigen Oxiden (TCO), ...
Synchronization phenomena in complex networks of pulse-coupled oscillators: self-generated changes between randomness and order
(2014-03-19)
Complex network comprised of interconnected oscillatory systems are investigated in various contexts in the natural sciences. It is an important goal to understand in which way synchronization phenomena in such networks ...
Effective Field Theory for Halo Nuclei
(2014-03-07)
We investigate properties of two- and three-body halo systems using effective field theory. If the two-particle scattering length a in such a system is large compared to the typical range of the interaction R, ...