Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 1234 for “"universe"”.
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The Whole Blown Universe
… using the theme of an expanding/contracting universe: the first part, "Expansion," will consist of poems using an omniscient, third person narrator. The second part, "Retraction," will be made up of poems using first person narration to describe something or someone other than the persona of …
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Fluctuations in a Quintessence Universe
Wir diskutieren die Entwicklung und Effekte von Quintessenzfluktuationen in einem FRW und inflationaearem Universum. Nachdem wir die Prinzipien der kosmologischen Stoeorungstheorie eingefuehrt haben, geben wir Entwicklungsgleichungen fuer metrische, Materie- und Quintessenzfluktuationen an. Wir …
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Global dynamics of the universe
… quantum fields, and the generation of an open universe through inflation with random initial conditions. It should be mentioned that while the research for this thesis was being done, no large effort was made to pursue a single theme. One reason for the diversity of the topics in this thesis is …
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Global dynamics of the universe
… quantum fields, and the generation of an open universe through inflation with random initial conditions. It should be mentioned that while the research for this thesis was being done, no large effort was made to pursue a single theme. One reason for the diversity of the topics in this thesis is …
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Cosmological Perturbations in the Early Universe
… to formation of large scale structures in the universe, relies on quantizing general relativity coupled to a scalar field. This is a system that respects diffeomorphism invariance, the freedom of choosing the coordinate system to work with without changing the physics. Hence the way to handle …
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Community Classification of the Protein Universe
Protein family databases are an important resource for biologists seeking to characterise the function of proteins, the structure of their domains, and their localisation within the cell. Operating a protein family database requires the identification of families, and the curation of literature …
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Non-linear effects in the universe
… ability in describing the complete nature of the universe. Therefore, detailed study has to be done in the theory of higher order cosmological perturbation to enable us the ability in describing the non-linear aspects of the universe.
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The wave function of the universe
In Quantum Cosmology, universe states are treated as wave function solutions to a zero-energy Schroedinger equation that is hyperbolic in its second derivatives of spatial geometries and matter-fields. In order to select one wave function (that would in principle correspond to our Universe) out of …
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Survival Tips For A Parallel Universe
Survival Tips For A Parallel Universe is a collection of poems concerned with sudden change, limitations, and the way those changes and limits might develop and burden intimate relationships. The collection’s central sequence, “Survival Tips For A Parallel Universe: Parts One, Two, Three, and …
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Thermal particle production in the early universe
… particles via decay and scattering in the early universe which is in the state of a hot thermal plasma. Already at leading order in the gauge coupling constant multiple rescattering off soft (p ~ gT) gauge bosons has to be included which leads to nontrivial interference terms that must be taken …
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Large-scale structure of the early universe
The large-scale structure of the universe is one of the most active areas of research in modern astronomy. However, until recently our knowledge of the distribution of matter on large scales has been primarily limited to two epochs - the present epoch and the epoch of recombination - and …
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Probing hidden sectors with early universe cosmology
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-04-12 without embargo terms
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Molecular observations of the high redshift universe
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-04-12 without embargo terms
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Causality and unitarity in the early universe
The early universe, with its high energy scales, provides a unique opportunity to explore new physics. Insights into this are encoded in the correlation functions of primordial perturbations, observable through the CMB and LSS anisotropies. To maximize these insights, it is essential to adapt tools …
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Dark matter dynamics in the early universe
We study a new form of dark matter interaction which may significantly affect the thermal relic abundance of dark matter. This new interaction takes the form C+D --> C+[phi], where D is the dark matter species present today, [phi] is a standard model species, and C is a very heavy exotic particle. …
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