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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03771nam a2200409 4500 | |
| 001 | oai:DiVA.org:uu-9517 | |
| 003 | SwePub | |
| 008 | 090101s2008 | |||||||||||000 ||eng| | |
| 020 | a 9789155473846q print | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-95172 URI |
| 040 | a (SwePub)uu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a vet2 swepub-contenttype |
| 072 | 7 | a dok2 swepub-publicationtype |
| 100 | 1 | a Daldorff, Lars Kristen Selberg,d 1974-u Uppsala universitet,Astronomi och rymdfysik4 aut |
| 245 | 1 0 | a Numerical Simulation as a Tool for Studying Waves and Radiation in Space |
| 264 | 1 | a Uppsala :b Universitetsbiblioteket,c 2008 |
| 300 | a 42 s. | |
| 338 | a electronic2 rdacarrier | |
| 490 | 0 | a Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology,x 1651-6214 ;v 488 |
| 520 | a Plasma physics governs the area of interactions between charged particles. As 99% of the visible universe is in a plasma state, it is an important topic in astronomy and space physics, where we already at an altitude of 60 km reach the plasma environment surrounding our planet in the form of the ionosphere. The search for fusion, the source of power for the sun, as well as industrial use have been the main topics for earth bound plasma reasurch. A plasma is composed of charged particles which interact by the electromagnetic force. In the kinetic description, via the Vlasov-Maxwell equations, the system is described in terms of probability distribution functions for each particle species, expressed in terms of particles position and velocity. The particles interact via self-consistent fields as determined by Maxwell's equations. For understanding the complex behaviour of the system, we need numerical solvers. These come in two flavours, Lagrangian methods, dealing with the moving around of synthetic particles, and Eulerian methods, which solve the set of partial differential, Vlasov and Maxwell equations. To perform the computations within reasonable time, we need to distribute our calculations on multiple machines, i.e. parallel programming, with the best possible matching between our computational needs and the need of splitting algorithms to adapt to our processing environment. Paper I studies electron and ion beams within a Lagrangian and fluid model and compare the results with experimental observations. This is continued with studies of a full kinetic system, using an Eulerian solver, for a closer look at electron-ion interactions in relation to ionospheric observations, (Papers II and IV). To improve the performance of the Eulerian solver it was parallelised (Paper III). The thesis is ending with the possibility to observe ultrahigh energy neutrinos from an orbiting satellite by using the Moon's surface as a detector Paper V. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Fusion, plasma och rymdfysik0 (SwePub)103032 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Fusion, Plasma and Space Physics0 (SwePub)103032 hsv//eng |
| 653 | a space physics | |
| 653 | a plasma physics | |
| 653 | a kinetic plasma | |
| 653 | a plasma simulations | |
| 653 | a beam instabilities | |
| 653 | a Space physics | |
| 653 | a Rymdfysik | |
| 700 | 1 | a Thide, Bo,c Prof.u Uppsala universitet,Astronomi och rymdfysik4 ths |
| 700 | 1 | a Califano, Francesco,c Prof.u Dept. of Physics, Univeristy of Pisa4 opn |
| 710 | 2 | a Uppsala universitetb Astronomi och rymdfysik4 org |
| 856 | 4 | u https://uu.diva-portal.org/smash/get/diva2:173089/FULLTEXT01.pdfx primaryx Raw objecty fulltext |
| 856 | 4 | u https://uu.diva-portal.org/smash/get/diva2:173089/COVER01.pdfy cover |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-9517 |
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