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 230 for “"holography"”.
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Spin holography
In electron emission holography, the sources are electron emitting atoms. The primary (unscattered) electron wave interferes with the waves scattered elastically by nearby atoms resulting in a holographic fringe pattern in the angular distribution of the emitted electrons. In cases that the …
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Aspects of holography
… aimed at broadening the knowledge of aspects of holography by examining three areas of importance, namely: i) qualitative holographic nondestructive testing, as applicable to flaw detection, ii) quantitative holographic interferometry and iii) white-light transfer reflection holography, with …
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Horizons, Holography And Hydrodynamics
… be vieas a membrane with fluidlike properties. Holography is invoked to relate the transport coefficients obtained for the horizons in the membrane paradigm with the transport coefficients which describe the hydrodynamic limit of the boundary gauge theory.
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Double resolution microwave holography
This thesis endeavours to record the development and subsequent evaluation of a simple technique for the recording of microwave holograms using common hardware components, which offers the possibility of significant improvements in image resolution. Practical experiment has determined that, under …
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Digital Holography and Optical Contouring
Digital holography is a technique for the recording of holograms via CCD/CMOS devices and enables their subsequent numerical reconstruction within computers, thus avoiding the photographic processes that are used in optical holography. This thesis investigates the various techniques which have been …
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Twistor Space and Celestial Holography
… my thesis is a discussion of off-shell Celestial holography. There is a short appendix consisting of several calculations, intended as supplementary material for the main text.
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Relativistic and Non-Relativistic Holography
Holography is one of the most interesting developments in String theory in the past few years. In this thesis, we discuss various aspects of the correspondence at the phenomenological and conceptual levels. At the phenomenological level, holographic duals of strong coupling QCD-like boundary …
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Relativistic and non-relativistic holography
Holography is one of the most interesting developments in String theory in the past few years. In this thesis, we discuss various aspects of the correspondence at the phenomenological and conceptual levels. At the phenomenological level, holographic duals of strong coupling QCD-like boundary …
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Holography for the practical person
… article opens with a pedagogical discussion of holography aimed at calculating the thermodynamics and transport coefficients in condensed matter systems. Therein, we will discuss the duality of thermodynamics to classical field theory, construct the associated dual action at the field theory's …
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AdS3 Holography from the Worldsheet
The AdS/CFT correspondence has played a prominent role in developing our understanding of the holographic nature of quantum gravity, postulating that string theory on Anti-de Sitter (AdS) space is equivalent to a conformal field theory (CFT) on the boundary of AdS. Tractable examples in which both …
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CHAOS, holography, and other science
… on the relationship between black holes in holography, chaos in strongly-coupled quantum systems, and the computational complexity of holographic states. By directly considering the time evolution of local operators, I am led to a simple diagnostic of many-body chaos: a commutator of such …
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Dispersion compensation for reflection holography
Thesis (M.S.)--Massachusetts Institute of Technology, Program in Media Arts & Sciences, 1996.
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Holography and strongly correlated systems
… from string theory - gauge-gravity/duality, or holography - to problems associated with strongly coupled quantum field theories under extreme conditions such as finite temperature or density. We first study a strongly coupled field theory at finite temperature. We demonstrate that its low …
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In-line optical fiber holography
The objective of this thesis is to demonstrate the feasibility of developing holograms in the cladding region of an optical fiber. The cladding is first stripped and replaced with dichromated gelatin ( DCG ) which is a highly efficient holographic storage medium. The evanescent field of the fiber …
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High-resolution Optical Scanning Holography
Optical scanning holography, which was proposed by Poon[1], is a fascinating technology to record holographic information. The technique is applied in the operation of scanning holographic microscopy to record the entire three-dimensional volume of a biological specimen in the form of a hologram. …
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Non-Relativistic Holography from Horava Gravity
Holography is a powerful theoretical duality that relates quantum gravitational theories to non-gravitational theories in one less dimension. The most explored example of this tool is the correspondence between general relativity on five dimensional Anti-de Sitter space and a four dimensional …
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Four Dimensional Toric Orbifolds and Holography
L'abstract è presente nell'allegato / the abstract is in the attachment
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Renormalisation Group Flows in Lifshitz Holography
In this thesis we construct holographic duals of renormalisation group flows between field theories with conformal symmetries and the Lifshitz scaling symmetries. These take the form of spacetimes with a region asymptoting to AdS and another asymptoting to the Lifshitz metric of [1], with some …
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Media Production for Computer-Generated Holography
Computer Generated Holography (CGH) is an immersive next-generation display technology with significant potential. It is the only technique that allows the reconstruction of true three-dimensional imagery while not compromising display resolution - achieved through the diffraction and interference …
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Edgelit holography : extending size and color
… beam. The technical issues involved with edgelit holography using a glass block recording method and DuPont photopolymer recording materials are described. The considerations and procedures for scaling the size of the edgelit hologram up to 20.3 x 25.5 cm (8 x10 in) (400% larger than previously …
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