Relevant bibliographies by topics / Two Dimensional Confined Geometry / Dissertations / Theses
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Dissertations / Theses on the topic 'Two Dimensional Confined Geometry'

Author: Grafiati
Published: 7 September 2023

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1

Morrow, Matthew Thomas. "Investigations in two-dimensional arithmetic geometry." Thesis, University of Nottingham, 2009. http://eprints.nottingham.ac.uk/11016/.

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This thesis explores a variety of topics in two-dimensional arithmetic geometry, including the further development of I. Fesenko's adelic analysis and its relations with ramification theory, model-theoretic integration on valued fields, and Grothendieck duality on arithmetic surfaces. I. Fesenko's theories of integration and harmonic analysis for higher dimensional local fields are extended to an arbitrary valuation field F whose residue field is a local field; applications to local zeta integrals are considered. The integral is extended to F^n, where a linear change of variables formula is pr
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2

Pearl, Jason M. "Two-Dimensional Numerical Study of Micronozzle Geometry." ScholarWorks @ UVM, 2016. http://scholarworks.uvm.edu/graddis/579.

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Supersonic micronozzles operate in the unique viscosupersonic flow regime, characterized by large Mach numbers (M>1) and low Reynolds numbers (Re<1000). Past research has primarily focused on the design and analysis of converging-diverging de Laval nozzles; however, plug (i.e. centerbody) designs also have some promising characteristics that might make them amenable to microscale operation. In this study, the effects of plug geometry on plug micronozzle performance are examined for the Reynolds number range Re = 80-640 using 2D Navier-Stokes-based simulations. Nozzle plugs are shortened to red
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3

Stallard, William George. "Optical investigations of laterally confined two-dimensional electron gases." Thesis, University of Exeter, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244412.

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4

Nagi, Jasbir Singh. "Two dimensional superconformal field theory and graded geometry." Thesis, University of Cambridge, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.615220.

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5

Nussbaum, Doron Carleton University Dissertation Computer Science. "Directional separability in two and three dimensional space." Ottawa, 1988.

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6

Bowman, John V. "Transport in a confined two-dimensional electron gas with longitudinal potential variations." Virtual Press, 1995. http://liblink.bsu.edu/uhtbin/catkey/958798.

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Since the discovery of conductance quantization within a nanostnucture, investigations have sought out causes to conductance fluctuations beyond the established plateaus. The focus of this work is to show the fundamental effects upon conductance due to longitudinal potentials and double quantum boxes when confined by hardwall boundaries. A theoretical model based upon a tight-binding recursive tureen's function methodology was modified to incorporate potential barrier variations. A qualitative evaluation, as well as, explanation of the model's results and limitations is discussed.<br>Departmen
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7

Wickramasinghe, Thushan E. "Growth Techniques and Optical and Electrical Characterization of Quantum Confined Zero-Dimensional and Two-Dimensional Device Structures." Ohio University / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou156631995093606.

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8

Akhtar, Kareem. "Numerical Investigation using RANS Equations of Two-dimensional Turbulent Jets and Bubbly Mixing layers." Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/34512.

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This thesis presents numerical investigations of two-dimensional single-phase turbulent jets and bubbly mixing layers using Reynolds-Averaged Navier-Stokes (RANS) equations. The behavior of a turbulent jet confined in a channel depends on the Reynolds number and geometry of the channel which is given by the expansion ratio (channel width to jet thickness) and offset ratio (eccentricity of the jet entrance). Steady solutions to the RANS equations for a two-dimensional turbulent jet injected in the middle of a channel have been obtained. When no entrainment from the channel base is allowed, th
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9

Nsibi, Mohamed Ali. "Asymmetric magnetic domain walls motion in a two-dimensional geometry : causes and effects." Thesis, Université Grenoble Alpes (ComUE), 2019. http://www.theses.fr/2019GREAY047.

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L’étude du déplacement par le courant électrique des parois de domaine magnétique a généré beaucoup d’intérêt depuis l’observation de leurs importantes vitesses de déplacement dans des multicouches ayant une asymétrie d’inversion verticale (SIA). Cet intérêt se justifie par leur fort potentiel pour de nouvelles applications à basse consommation d’énergie en mémoire cache ou mémoires centrale. L’inversion de symétrie (SIA) induit deux mécanismes dont l’action conjointe permet de déplacer efficacement les parois de domaines. Il s’agit d’une contribution énergétique chirale, appelée l’interaction
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10

Nassef, Roger A. "Developing laminar flow and heat transfer characteristics in two-dimensional domains of complex geometry." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=70331.

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Convective heat transfer in a steady developing laminar flow in domains of complex geometry is investigated numerically using the finite difference method and orthogonal boundary-fitted coordinates. A Fortran code was developed and validated. The following cases involving complex flow domains were examined in detail; (1) The flow and heat transfer characteristics of Newtonian and power-law fluids in a two-dimensional duct fitted with transverse fins of triangular, semi-circular, and rectangular sections. The calculated velocity distribution is compared with experimental measurements made with
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11

Kharche, Sanjay. "Stefan problems with two-dimensional, linearised perturbations in their boundary geometry or boundary conditions." Thesis, University of Hull, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327179.

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12

Brennan, William Dennis. "The effects of nozzle geometry on particle size distribution in a small two dimensional rocket motor." Thesis, Monterey, California. Naval Postgraduate School, 1989. http://hdl.handle.net/10945/25882.

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13

Stewart, Devin O. "Effects of Spacing and Geometry of Distributed Roughness Elements on a Two-Dimensional Turbulent Boundary Layer." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/35481.

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This thesis is a study of the effects of distributed roughness elements on a two-dimensional turbulent boundary layer. Measurements were taken on a total of ten rough wall configurations: four involving Gaussian spikes, and six with circular cylindrical posts. Rough wall flows are particularly suited to study with Laser Doppler Velocimetry (LDV) due to the fact that measurements are required near a solid surface, as well has in highly turbulent fluid. The LDV system used in this study is a fine resolution (~50 micron), three-component, fiber optic system. All mean velocities, Reynolds stresses
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14

Ucpirti, Hasan. "Joint geometry parameter effects on deformability and strength of jointed rock masses at the two dimensional level." Diss., The University of Arizona, 1992. http://hdl.handle.net/10150/185975.

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In this study, the pre-failure behavior of a jointed rock block is modeled by an incrementally linear elastic anisotropic constitutive model (using an orthotropic model in 2D). In order to estimate the parameters in the constitutive model, a new technique was used in this dissertation. A 2D joint geometry generation code was used to generate finite size actual joint networks in 2D rock blocks. A 2D distinct element code (UDEC) was chosen as the stress analysis tool in this study. Fictitious joints were introduced into the rock blocks which contain finite size actual joints to discretize the pr
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15

Chacón-Acosta, Guillermo, Angel A. García-Chung, and Leonardo Dagdug. "On the geometrical description of effective diffusion in confined environments: On the geometrical description of effective diffusion in confinedenvironments: two-dimensional case." Diffusion fundamentals 24 (2015) 9, S. 1, 2015. https://ul.qucosa.de/id/qucosa%3A14523.

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16

Zhang, L. "Influence of the geometry on the two- and three-dimensional dynamics of the flow in a 180 degree sharp bend." Thesis, Coventry University, 2013. http://curve.coventry.ac.uk/open/items/45ec5161-85e3-470d-908c-70013dabab4a/1.

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In this thesis, I numerically simulate the flow past a 180 degree sharp bend. The main objective of this research is to characterize the influences of the bend geometry on the flow regimes when Reynolds number (Re) is varied. Reynolds number and the opening ratio () (the definition of is defined in section 4.1.1) of the bend are the control parameters which are varied to perform the parametric study. For the first part of our research, I focus on the flow past a twodimensional 180 sharp bend. An extensive parametric study on the transitions of the flow regimes by varying the values of Re and i
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17

Bleu, Olivier. "Physics of quantum fluids in two-dimensional topological systems." Thesis, Université Clermont Auvergne‎ (2017-2020), 2018. http://www.theses.fr/2018CLFAC044/document.

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Cette thèse est consacrée à la description de la physique à une particule ainsi qu'à celle de fluides quantiques bosoniques dans des systèmes topologiques. Les deux premiers chapitres sont introductifs. Dans le premier, nous introduisons des éléments de théorie des bandes et les quantités géométriques et topologiques associées : tenseur métrique quantique, courbure de Berry, nombre de Chern. Nous discutons différents modèles et réalisations expérimentales donnant lieu à des effets topologiques. Dans le second chapitre, nous introduisons les condensats de Bose-Einstein ainsi que les excitons-po
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18

Badano, Luigi P. "Age- and gender-specific reference values for cardiac chamber geometry and function using three-dimensional echocardiography." Doctoral thesis, Università degli studi di Padova, 2014. http://hdl.handle.net/11577/3423660.

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Background. Three-dimensional echocardiography (3DE) enables a comprehensive, accurate and reproducible quantification of cardiac chamber size and function without any geometric assumption about their shape. Superior accuracy and reproducibility of 3DE over stabdard two-dimensional (2DE) approach for cardiac chamber volume measurements in comparison to cardiac magnetic resonance (CMR) has been well documented in a number of studies. Both the European Association of Cardiovascular Imaging and the American Society of Echocardiography recommend 3DE, rather than 2DE, for routine clinical asses
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19

Sloan, Stella. "A two and three dimensional high school geometry unit implementing recommendations in the National Council of Teachers of Mathematics curriculum and evaluation standards." CSUSB ScholarWorks, 1993. https://scholarworks.lib.csusb.edu/etd-project/647.

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20

Dantas, Ismael Francisco. "Problemas bidimensionais de carga espacial em geometrias plano-plano e assemelhadas." Universidade de São Paulo, 1992. http://www.teses.usp.br/teses/disponiveis/54/54132/tde-09122013-114307/.

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A finalidade principal deste trabalho é o da obtenção de soluções numéricas de movimento de carga espacial livre em que as grandezas pertinentes dependem de mais de uma coordenada espacial (casos não unidimensionais). Mais especificamente, os problemas estudados versam sobre casos em que um eletródio plano a um dado potencial emite carga não uniformemente ao longo de sua extensão e procura-se obter a deformação das linhas de campo daí resultantes, no espaço até um outro eletródio aterrado disposto paralelamente ao primeiro. Um método baseado em soluções tentativas bem como um outro global usan
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21

Javerzat, Nina. "New conformal bootstrap solutions and percolation models on the torus Two-point connectivity of two- dimensional critical Q-Potts random clusters on the torus Three- and four-point connectivities of two-dimensional critical Q-Potts random clusters on the torus Topological effects and conformal invariance in long-range correlated random surfaces Notes on the solutions of Zamolodchikov- type recursion relations in Virasoro minimal models." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASP062.

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Les propriétés géométriques des phénomènes critiques ont généré un intérêt croissant en physique théorique ainsi qu'en mathématiques au cours des trente dernières années. Les systèmes de percolation sont l'exemple par excellence de tels phénomènes géométriques, où la transition de phase est caractérisée par le comportement de degrés de liberté non-locaux, les amas de percolation. Au point critique, ces amas sont des exemples d'objets aléatoires dont la mesure est invariante conforme, c'est à dire invariante sous tout changement d'échelle local. Nous ne savons en général pas caractériser complè
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22

McVicker, Michael Charles. "Effects of different camera motions on the error in estimates of epipolar geometry between two dimensional images in order to provide a framework for solutions to vision based Simultaneous Localization and Mapping (SLAM)." Thesis, Monterey, Calif. : Naval Postgraduate School, 2007. http://bosun.nps.edu/uhtbin/hyperion-image.exe/07Sep%5FMcVicker.pdf.

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Thesis (M.S. in Computer Science)--Naval Postgraduate School, September 2007.<br>Thesis Advisor(s): Kölsch, Mathias ; Squire, Kevin. "September 2007." Description based on title screen as viewed on October 24, 2007. Includes bibliographical references (p. 169-171). Also available in print.
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23

Bertin, Etienne. "Diagrammes de Voronoï 2D et 3D : applications en analyse d'images." Grenoble 1, 1994. http://tel.archives-ouvertes.fr/tel-00005078.

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Cette thèse est axée sur la coopération entre l'analyse d'images et la géométrie algorithmique sur la base des diagrammes de Voronoi et de Delaunay. Le propos de l'analyse d'images est la description du contenu d'une image, en vue de son interprétation et d'une prise de décision. La géométrie algorithmique quant à elle consiste à trouver des algorithmes efficaces en vue de résoudre des problèmes a caractère géométrique. Nous nous intéresserons ici au problème de représentation des images par des partitionnements plus ou moins complexes, adaptes ou non au contenu informatif des images. Parmi ce
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24

Matcha, Chaitanya Kumar, Mohsen Bahrami, Shounak Roy, Shayan Garani Srinivasa, and Bane Vasic. "Generalized belief propagation based TDMR detector and decoder." IEEE, 2016. http://hdl.handle.net/10150/622831.

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Two dimensional magnetic recording (TDMR) achieves high areal densities by reducing the size of a bit comparable to the size of the magnetic grains resulting in two dimensional (2D) inter symbol interference (ISI) and very high media noise. Therefore, it is critical to handle the media noise along with the 2D ISI detection. In this paper, we tune the generalized belief propagation (GBP) algorithm to handle the media noise seen in TDMR. We also provide an intuition into the nature of hard decisions provided by the GBP algorithm. The performance of the GBP algorithm is evaluated over a Voronoi b
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25

Rivière, Stéphane. "Calculs de visibilité dans un environnement polygonal 2D." Université Joseph Fourier (Grenoble), 1997. http://tel.archives-ouvertes.fr/tel-00528854.

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Beaucoup de programmes de visualisation, de planification de trajectoire, etc. , utilisent intensivement des calculs de visibilité. Si ces calculs de visibilité ne constituent qu'une petite partie de ces programmes, ils sont en revanche responsables d'une grande partie du temps d'exécution de ces programmes: leur efficacité est donc cruciale. Les algorithmes traditionnels de calculs de visibilité ont deux défauts: ils effectuent - inutilement - des calculs sur des objets non visibles et refont tous ces calculs à chaque nouvelle requête, même si les changements avec la requête précédente sont m
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26

Orti, Rachel. "Radiosité dynamique 2D et complexe de visibilité." Phd thesis, Université Joseph Fourier (Grenoble), 1997. http://tel.archives-ouvertes.fr/tel-00004958.

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La méthode de radiosité, méthode de simulation globale de l'éclairage, est très utilisée pour la visualisation de scènes d'intérieur statiques. Malgré les différentes améliorations apportées jusqu'à présent, son coût reste conditionné par le calcul des facteurs de forme qui modélisent l'interaction lumineuse entre deux surfaces. Ce calcul constitue l'étape la plus coûteuse de la méthode de radiosité, compte tenu des calculs de visibilité qu'il implique. D'autre part, il semble primordial d'utiliser un maillage qui suive les discontinuités (c'est à dire les limites d'ombre et de pénombre), pour
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27

Rak, Ivan. "Two-dimensional finite element analysis of confined concrete columns and beams." 2004. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=94926&T=F.

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28

Xin, Jian-Rong, and 忻建榮. "Two-dimensional topological compactor with octagonal IC layout geometry." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/24764134949165967024.

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29

Shen, Pei-fang, and 沈佩芳. "Study on Fifth & Sixth Graders’ Understanding to Two-Dimensional Geometry Concepts." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/11942390787154050570.

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碩士<br>國立台北師範學院<br>數理教育研究所<br>90<br>Abstract Study on Fifth & Sixth Graders’ Understanding to Two-Dimensional Geometry Concepts The purpose of this study is to explore the recognition of fifth and sixth graders on their levels of understanding in two-dimensional geometry. The researcher has selected two schools from two cities in Taiwan, Taipei and Taipei Hsien. A total of 283 samples were randomly collected from four classes by giving written exams. Interview materials were then prepared by analyzing the test results along with suggestions provided by the experts. Ne
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30

Diaz-Avila, Manuel. "Studies of two-dimensional finite-size effects on the superfluid density of helium-4 confined between two silicon wafers." 2006. http://proquest.umi.com/pqdweb?did=1126790621&sid=9&Fmt=2&clientId=39334&RQT=309&VName=PQD.

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Thesis (Ph.D.)--State University of New York at Buffalo, 2006.<br>Title from PDF title page (viewed on Oct. 03, 2006) Available through UMI ProQuest Digital Dissertations. Thesis adviser: Gasparini, Francis M.
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31

Waranowicz, Mark T. "Two-dimensional photoelastic stress analysis of the labial marginal geometry of PFG crowns." 1986. http://books.google.com/books?id=TKw9AAAAMAAJ.

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32

Tai-LuLin and 林泰錄. "Particle-In-Cell Simulation of Two Dimensional Trench Geometry in Capacitively Coupled Plasma." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/17769671146943371185.

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碩士<br>國立成功大學<br>太空與電漿科學研究所<br>104<br>For an efficient etching by plasma, in generating trench geometries, anisotropy is an important factor. For the ions to perpendicularly bombard the semiconductor surface, stationary plasma sheaths need to be formed to accelerate the ions. However, not many journal publications have reported on the stability of a plasma in a multi-dimensional trench geometry. A Particle-in-Cell model is built solely from the beginning in Fortran 95 to investigate basic plasma interaction between two electrode plates including ions and electrons. A secondary electron emission
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33

Wang, Jui-Yu, and 王瑞渝. "Development of Two-Dimensional Multi-group Nodal Diffusion Code for Rectangle and Hexagonal Geometry." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/e9qvd3.

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碩士<br>國立清華大學<br>核子工程與科學研究所<br>102<br>Abstract A 2-D multi-group nodal diffusion code is developed. The code is formulated based on Nodal Green’s Function Method together with coarse mesh finite difference method (CMFD), which is coupling with nodal averaged fluxes as unknowns. The code is applicable in either rectangle geometry or hexagonal geometry with arbitrary prompt neutron groups. For hexagonal geometry, singular terms arise from the transverse integration procedure. Wagner’s approximation is applied, which omits these terms and then, following Fitzpatrick and Ougouag, we comp
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34

"Electronic, Spin and Valley Transport in Two Dimensional Dirac Systems." Doctoral diss., 2017. http://hdl.handle.net/2286/R.I.43929.

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abstract: This dissertation aims to study and understand relevant issues related to the electronic, spin and valley transport in two-dimensional Dirac systems for different given physical settings. In summary, four key findings are achieved. First, studying persistent currents in confined chaotic Dirac fermion systems with a ring geometry and an applied Aharonov-Bohm flux, unusual whispering-gallery modes with edge-dependent currents and spin polarization are identified. They can survive for highly asymmetric rings that host fully developed classical chaos. By sustaining robust persistent cur
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35

Chiu, Chih-chung, and 邱治中. "Two-dimensional Electric-field Simulation for Effect of Electrode Geometry on Sensitivity of Impedimetric Biosensor." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/96382946856842360953.

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碩士<br>國立中央大學<br>電機工程研究所碩士在職專班<br>99<br>This　research　studied　five　different　designs　of　electrode-pair　geometry　for　impedimetric　biosensing　applications.　These　included　interdigitated,　rectangular,　circular,　triangular,　and　dish　electrode　pairs.　ADS　(Advanced　Design　System)　software　was　utilized　to　simulate　these　different　electrode-pair　designs　on　their　impedance,　capacitance,　and　electric　intensity.　The　simulated　capacitances　of　these　five　electrode-pair　geometries　of　commensurate　dimensions　were　1.600　×　10－14　F,　1.086　×　10－14　F,　6.513　×　10－15　F,　6.576　×　10－15　F,　9.924　×　10－15　F,　respectively
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Jarvis, Thomas William. "Novel tools for ultrafast spectroscopy." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-12-4456.

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Exciton dynamics in semiconductor nanostructures are dominated by the effects of many-body physics. The application of coherent spectroscopic tools, such as two-dimensional Fourier transform spectroscopy (2dFTS), to the study of these systems can reveal signatures of these effects, and in combination with sophisticated theoretical modeling, can lead to more complete understanding of the behaviour of these systems. 2dFTS has previously been applied to the study of GaAs quantum well samples. In this thesis, we outline a precis of the technique before describing our own experiments using 2dFTS
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