Дисертації з теми "Mapping in physics"
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Chess, Jordan J. "Mapping Topological Magnetization and Magnetic Skyrmions." Thesis, University of Oregon, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10684160.
Повний текст джерелаA 2014 study by the US Department of Energy conducted at Lawrence Berkeley National Laboratory estimated that U.S. data centers consumed 70 billion kWh of electricity. This represents about 1.8% of the total U.S. electricity consumption. Putting this in perspective 70 billion kWh of electricity is the equivalent of roughly 8 big nuclear reactors, or around double the nation's solar panel output. Developing new memory technologies capable of reducing this power consumption would be greatly beneficial as our demand for connectivity increases in the future. One newly emerging candidate for an information carrier in low power memory devices is the magnetic skyrmion. This magnetic texture is characterized by its specific non-trivial topology, giving it particle-like characteristics. Recent experimental work has shown that these skyrmions can be stabilized at room temperature and moved with extremely low electrical current densities. This rapidly developing field requires new measurement techniques capable of determining the topology of these textures at greater speed than previous approaches. In this dissertation, I give a brief introduction to the magnetic structures found in Fe/Gd multilayered systems. I then present newly developed techniques that streamline the analysis of Lorentz Transmission Electron Microscopy (LTEM) data. These techniques are then applied to further the understanding of the magnetic properties of these Fe/Gd based multilayered systems.
This dissertation includes previously published and unpublished co-authored material.
Schwartz, Benjamin M. (Benjamin Matthew). "Mapping bulk electrical properties with non-contact RF measurements." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/36118.
Повний текст джерелаIncludes bibliographical references (leaf 43).
The human body is composed primarily of dielectric tissue with spatially varying permittivity and conductivity. Traditional MRI does not measure these properties. Instead, the conductivity of the patient is a nuisance, causing unpredictable detuning of coils and field inhomogeneities. This thesis presents a method for mapping the electrodynamic properties of the patient's body with both MR and non-MR techniques. Such mapping has direct applications for medical imaging and SAR calculation.
by Benjamin M. Schwartz.
S.B.
Snyman, Izak. "Analysis and applications of the generalised Dyson mapping." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/49829.
Повний текст джерелаENGLISH ABSTRACT: In this thesis, generalized Dyson boson-fermion mappings are considered. These are techniques used in the analysis of the quantum many-body problem, and are instances of so-called boson expansion methods. A generalized Dyson boson-fermion mapping, or a Dyson mapping for short, is a one-to-one linear but non-unitary operator that can be applied to vectors representing the states of a many-fermion system. A vector representing a fermion system maps onto a vector that is most naturally interpreted as representing a state of a many-body system that contains both bosons and fermions. The motivation for doing such a mapping is the hope that the mapping will reveal some property of the system that simplifies its analysis and that was hidden in the original form. The aims of this thesis are 1. to review the theory of generalized Dyson boson-fermion mappings, 2. by considering a tutorial example, to demonstrate that it is feasible to implement the theory and 3. to find a useful application for a generalized Dyson boson-fermion mapping, by considering a non-trivial model, namely the Richardson model for superconductivity. The realization of the first two aims mainly involve the collecting together of ideas that have already appeared in the literature, into one coherent text. Some subtle points that were treated only briefly due to space restrictions in the journal publications where the theory was first expounded, are elaborated on in the present work. On the other hand, the analysis of the Richardson Hamiltonian that uses a Dyson mapping, goes beyond what has already appeared in the literature. It is the first time that a boson expansion technique is implemented for a system where the roles of both collective and non-collective fermion pairs are important. (The Dyson mapping associates bosons with Cooper pairs, while the fermions not bound in Cooper pairs result in fermions being present in the mapped system as well.) What is found is that the Dyson mapping uncovers non-trivial properties of the system. These properties aid the construction of time-independent perturbation expansions for the stationary states of the system, as well as time-dependent expansions for transition amplitudes between states. The time-independent expansions agree with results that other authors obtained through methods other than boson expansions. The time-dependent expansions, that one would be hard-pressed to develop without a Dyson mapping, might in future prove useful in understanding aspects of the dynamics of ultracold fermi gases, when time-dependent magnetic fields are used to vary the atom-atom interaction strenght.
AFRIKAANSE OPSOMMING: In hierdie tesis word veralgemeende Dyson boson-fermion-afbeeldings ondersoek. Hierdie afbeeldings word gebruik in die analise van die kwantum veeldeeltjie probleem, en is voorbeelde van sogenaamde boson-uitbreidingstegnieke. 'n Veralgemeende Dyson bosonfermion- afbeelding, of kortweg 'n Dyson afbeelding, is 'n een-tot-een, lineêre maar nie-unitêre operator wat inwerk op vektore wat toestande verteenwoordig van 'n veel-fermion sisteem. 'n Vektor wat 'n fermionsisteem verteenwoordig word so afgebeeld op 'n vektor waarvoor die mees natuurlike interpretasie is dat dit 'n toestand verteenwoordig van 'n sisteem waarin beide bosone en fermione aanwesig is. So 'n afbeelding word gewoonlik gemaak in die hoop dat eienskappe van die sisteem, wat versteek was in die oorspronklike weergawe, voor-die-hand-liggend is na die afbeelding. Hierdie tesis het ten doel 1. om die teorie van veralgemeende Dyson boson-fermion-afbeeldings te hersien, 2. om 'n eenvoudige voorbeeld deur te werk, en so te demonstreer dat die teorie sonder moeite geïmplimenteer kan word en 3. om 'n nuttige toepassing te vind vir 'n veralgemeende Dyson boson-fermion-afbeelding deur 'n nie-triviale model, naamlik die Richardson model vir supergeleiding, te ondersoek. Die eerste twee van hierdie doelwitte behels hoofsaaklik dat idees wat reeds in die literatuur verskyn het, saamgevat word in een koherente teks. Sommige subtiele punte wat, vanwee beperkte ruimte, slegs kortliks bespreek is in die joernaalartikels waarin die teorie oorspronklik verskyn het, word in hierdie tesis meer breedvoering bespreek. Daarteenoor verteenwoordig die analise van die Richardson model met behulp van 'n Dyson afbeelding 'n nuwe bydra. Dit is naamlik die eerste keer dat 'n bosonuitbreiding ingespan word vir 'n sisteem waar sowel kollektiewe as nie-kollektiewe fermionpare 'n belangrike rol speel. (Die Dyson afbeelding assosieer bosone met die oorspronklike sisteem se Cooper pare, terwyl die fermione wat in die oorspronklike sisteem nie tot Cooper pare gebind is nie, sorg dat daar ook fermione teenwoordig is in die afgebeelde sisteem.) Ons vind dat die Dyson afbeelding nie-triviale eienskappe van die sisteem aan die lig bring. Hierdie eienskappe is nuttig vir die konstruksie van beide tyd-onafhanklike steuringsreekse vir die stasionêre toestande van die sisteem en vir tyd-afhanklike steuringsreekse vir oorgangsamplitudes tussen toestande. Die tyd-onafhanklike uitbreidings stem ooreen met resultate wat ander outeurs afgelei het sonder die gebruik van 'n Dyson afbeelding. Die tyd-afhanklike uitbreidings, wat kwalik afgelei kan word sonder 'n Dyson afbeelding, mag vorentoe nuttig wees om aspekte van die dinamika van baie koue Fermi gasse te verstaan, wanneer tydafhanklike magneetvelde gebruik word om die inter-atoomwisselwerking te manipuleer.
Perko, Ashley Nicole. "The Omniscope : mapping the Universe in 3D with neutral hydrogen." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/65534.
Повний текст джерелаCataloged from PDF version of thesis.
Includes bibliographical references (p. 57-58).
21 cm tomography has the potential to become the most powerful cosmological probe yet. The Omniscope is a novel radio telescope being built to take advantage of this signal. This thesis describes my work on integrating, testing, and characterizing all modules of the Omniscope and identifying opportunities for further improving their sensitivity.
by Ashley Nicole Perko.
S.B.
Menezes, Debora Peres. "Boson mapping techniques and the nuclear collective motion." Thesis, University of Oxford, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329926.
Повний текст джерелаMielke, Thomas Martin. "Mapping spaces, configuration spaces and gauge theory." Thesis, University of Warwick, 1995. http://wrap.warwick.ac.uk/109201/.
Повний текст джерелаGreen, Gregory Maurice. "Mapping Milky Way Dust in 3D With Stellar Photometry." Thesis, Harvard University, 2016. http://nrs.harvard.edu/urn-3:HUL.InstRepos:33493261.
Повний текст джерелаAstronomy
Praeger, Matthew. "Development and spatio-spectral mapping of a capillary high harmonic source." Thesis, University of Southampton, 2008. https://eprints.soton.ac.uk/66192/.
Повний текст джерелаSlaughter, Katherine Alice. "Mapping the transition : content and pedagogy from school through university." Thesis, University of Edinburgh, 2012. http://hdl.handle.net/1842/7618.
Повний текст джерелаMcGinn, Christopher Francis. "Mapping the redistribution of jet energy in PbPb collisions at the LHC with CMS." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/127721.
Повний текст джерелаCataloged from the official PDF of thesis.
Includes bibliographical references (pages 195-202).
Quenched jets produced in heavy ion collisions at the LHC and reconstructed with the CMS detector are studied to understand the nature of interactions between hardscattered partons and the simultaneously produced hot and dense medium, the Quark- Gluon Plasma (QGP). Jets are objects with color charge evolving through many energy scales, so are an excellent tool for scattering experiment in QGP, with potential to resolve quasiparticle structure and induce medium response. Redistribution of jet energy is quantified in two methods: measurement of transverse PT of final state particles projected onto dijet azimuthal axis, and measurement of jet production cross sections in PbPb and pp as function of jet radius. Missing momentum shows recovery of lost energy when moving beyond the jet cone for a fixed collection of jets, approaching full recovery at ... A jet radius scan of jet production cross sections shows consistent observed suppression in PbPb when compared to appropriately scaled pp at all radii. However, less suppression is observed with increasing jet resolution parameter R. In combination the results imply that while jet energy lost to medium interactions can be found when looking beyond the jet cone, the substantial changes to the jet population in pp at each studied R lead to sustained spectral suppression with even the largest cone size.
by Christopher Francis McGinn.
Ph. D.
Ph.D. Massachusetts Institute of Technology, Department of Physics
Jones, Beryl Wyn. "Mapping unstructured mesh codes onto local memory parallel architectures." Thesis, University of Greenwich, 1994. http://gala.gre.ac.uk/6201/.
Повний текст джерелаToerien, René. "Mapping the learning trajectories of physical sciences teachers' topic specific knowledge for teaching chemical bonding." Doctoral thesis, University of Cape Town, 2017. http://hdl.handle.net/11427/25508.
Повний текст джерелаLebois, Alice. "Brain microstructure mapping using quantitative and diffsusion MRI." Phd thesis, Université Paris Sud - Paris XI, 2014. http://tel.archives-ouvertes.fr/tel-01063198.
Повний текст джерелаCaballero, Gaudes Cesar. "Paradigm free mapping : detection and characterization of single trial fMRI BOLD responses without prior stimulus information." Thesis, University of Nottingham, 2010. http://eprints.nottingham.ac.uk/11488/.
Повний текст джерелаNicoletti, Olivia. "Mapping surface plasmons of metal nanoparticles with electron energy-loss spectroscopy." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.608025.
Повний текст джерелаWang, Kangkang. "Atomic Imaging and Spin Mapping of Magnetic Nitride Surfaces." Ohio University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1313500678.
Повний текст джерелаcallahan, lauren k. "Chain Reactions: Mapping the Iranian Nuclear Program from 2002 to 2009." Scholarship @ Claremont, 2014. http://scholarship.claremont.edu/cmc_theses/871.
Повний текст джерелаBURCICA, CRISTINA IRINA. "MAPPING THERMAL GRADIENTS IN SCN USING A FAST FOURIER TRANSFORM ANALYSIS." University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1053544547.
Повний текст джерелаPlaks, Irina. "Mapping the Early Galaxy: RR Lyrae Kinematics and Metallicities." Bowling Green State University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1627059931940409.
Повний текст джерелаLavayssiere, Maylis. "Electrical and chemical mapping of silicon pn junctions using energy-filtered X-ray PhotoElectron Emission Microscopy." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00765630.
Повний текст джерелаMcManus, Kevin. "A strategy for mapping unstructured mesh computational mechanics programs onto distributed memory parallel architectures." Thesis, University of Greenwich, 1996. http://gala.gre.ac.uk/6249/.
Повний текст джерелаDoyle, Jacqueline. "Describing and Mapping the Interactions between Student Affective Factors Related to Persistence in Science, Physics, and Engineering." FIU Digital Commons, 2017. http://digitalcommons.fiu.edu/etd/3353.
Повний текст джерелаCarroll, Carla June. "A Feasibility Study of Photometric Reverberation Mapping with Meter-Class Telescopes." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/5469.
Повний текст джерелаBentz, Misty C. "Black hole scaling relationships new results from reverberation mapping and Hubble Space Telescope imaging /." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1180453426.
Повний текст джерелаMa, Donglin. "Exploration of Ray Mapping Methodology in Freeform Optics Design for Non-Imaging Applications." Diss., The University of Arizona, 2015. http://hdl.handle.net/10150/594394.
Повний текст джерелаChemishkian, Sergey Y. 1962. "Computational methods for the optimization of the mapping of actuators and sensors in the control of flexible structures." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/282656.
Повний текст джерелаMarshall, Jennifer L. "Mapping the Local Galactic Halo and An Image Motion Compensation System for the Multi-Object Double Spectrograph." The Ohio State University, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=osu1155646690.
Повний текст джерелаSpode, Lennart. "Mapping the binding energy of H inside amorphous and crystalline transition metals using the effective medium theory." Thesis, Uppsala universitet, Materialfysik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-413982.
Повний текст джерелаPezouvanis, Antonios. "Engine modelling for virtual mapping : development of a physics based cycle-by-cycle virtual engine that can be used for cyclic engine mapping applications, engine flow modelling, ECU calibration, real-time engine control or vehicle simulation studies." Thesis, University of Bradford, 2009. http://hdl.handle.net/10454/4419.
Повний текст джерелаPotter, Harrison D. P. "On Conformal Mappings and Vector Fields." Marietta College Honors Theses / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=marhonors1210888378.
Повний текст джерелаAryal, Puruswottam. "Optical and Photovoltaic Properties of Copper Indium-Gallium Diselenide Materials and Solar Cells." University of Toledo / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1404679981.
Повний текст джерелаBernat, P. "Recherche du boson de Higgs dans le canal de désintégration en deux photons avec le détecteur ATLAS au LHC." Phd thesis, Université Paris Sud - Paris XI, 2010. http://tel.archives-ouvertes.fr/tel-00525583.
Повний текст джерелаKazemeini, Sayed Hesammoddin. "Seismic Investigations at the Ketzin CO2 Injection Site, Germany: Applications to Subsurface Feature Mapping and CO2 Seismic Response Modeling." Doctoral thesis, Uppsala universitet, Geofysik, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-105032.
Повний текст джерелаCO2SINK Project
Costa, Rosilaine Gomes de Santana. "Um estudo bibliográfico sobre a utilização de mapas conceituais como ferramenta de avaliação da aprendizagem: algumas considerações no ensino de física." Pós-Graduação em Ensino de Ciências e Matemática, 2013. https://ri.ufs.br/handle/riufs/5146.
Повний текст джерелаEste trabalho é uma pesquisa bibliográfica, do tipo revisão sistemática sem metanálise, realizada em diversos periódicos nacionais e internacionais e nas atas das Conferências Internacionais sobre Mapas Conceituais (MC) com o objetivo de analisar como vêm sendo desenvolvidas as pesquisas que utilizam MC como ferramenta de avaliação da aprendizagem dos estudantes e que estabelecem critérios para avaliá-los. O objetivo de utilizar MC é verificar a aprendizagem dos alunos em relação aos conteúdos trabalhados em sala de aula, obtendo informações sobre os conceitos aprendidos de forma significativa, aqueles que não foram aprendidos e os aprendidos de forma incorreta, verificando se esses alunos conseguiram estabelecer as relações dos novos conceitos com os conhecimentos já existentes na sua estrutura cognitiva. Foi possível observar, por meio da análise da metodologia dos artigos, que há um número significativo de trabalhos, de um universo de 105, que utilizam MC como ferramenta de avaliação em diferentes áreas, dentre elas a Física, e com diversas metodologias. Foi perceptível ainda a preocupação dos autores em estabelecer critérios para verificar/avaliar se os MC elaborados pelos alunos atingiram os objetivos desejados. Espera-se que essa pesquisa possa orientar professores/pesquisadores que pretendam trabalhar com tal ferramenta de avaliação da aprendizagem, que, embora tenha grande importância para o ensino, ainda é pouco utilizada no meio educacional
Hage, Hassan Maya. "Méthodologies de conception optimale de systèmes de conversion électromécanique." Phd thesis, Université Paris Sud - Paris XI, 2014. http://tel.archives-ouvertes.fr/tel-01002008.
Повний текст джерелаApostolou, Sinoula. "Physical mapping of human chromosome 16." Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09pha645.pdf.
Повний текст джерелаKhorasani, Maryam Zadeh. "Physical mapping of medaka (Oryzias latipes) genome." [S.l.] : [s.n.], 2006. http://www.diss.fu-berlin.de/2006/630/index.html.
Повний текст джерелаKaufman, Alan P. (Alan Philip). "Data and algorithms for genomic physical mapping." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/36508.
Повний текст джерелаIncludes bibliographical references (leaves 116-122).
by Alan P. Kaufman.
M.S.
George, Sisilamma. "Physical mapping of the murine casein locus." Thesis, University of Edinburgh, 1996. http://hdl.handle.net/1842/13892.
Повний текст джерелаJain, Mudita 1968. "Algorithms for physical mapping using unique probes." Diss., The University of Arizona, 1996. http://hdl.handle.net/10150/290622.
Повний текст джерелаWang, Luping. "Physical Mapping of Human Transfer RNA Gene Clusters." Thesis, University of North Texas, 1989. https://digital.library.unt.edu/ark:/67531/metadc500957/.
Повний текст джерелаMaccormick, Marion. "The ALICE Project at the IPN, OrsayR&D and software developments 1996-2003." Habilitation à diriger des recherches, Université Paris Sud - Paris XI, 2007. http://tel.archives-ouvertes.fr/tel-00159807.
Повний текст джерелаWang, Xiao Yu. "Genetic and physical mapping of Arabidopsis and Brassica." Thesis, University of Birmingham, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.433979.
Повний текст джерелаZimmer, Régis. "Micromanipulation and physical mapping of the chicken Z chromosome." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq24435.pdf.
Повний текст джерелаLiu, Zhiyong Michael. "Mapping physical topology with logical topology using genetic algorithm." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ62245.pdf.
Повний текст джерелаTörnsten, Anna. "Physical mapping of important trait loci in the pig /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-5913-3.pdf.
Повний текст джерелаHodges, Matthew David. "Physical mapping of chromosal rearrangements in Beckwith-Wieddemann syndrome." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313712.
Повний текст джерелаWixon, Joanne. "Physical and transcriptional mapping in human chromosome band 6p23." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363758.
Повний текст джерелаCraig, Nicola Jane. "Genetic and physical mapping of the rat agu locus." Thesis, University of Glasgow, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.341722.
Повний текст джерелаMalas, Stavros. "Genetic and physical mapping studies on mouse chromosome 2." Thesis, University College London (University of London), 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283659.
Повний текст джерела