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 14 of 14 for “"Quantum correlation."”.
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Bounding the Quantum and Classical Resources in Bell Experiments
Bell's theory of nonlocality in quantum mechanics allows for interesting correlations between separated parties. In this scenario, both parties share a quantum state and measure it to obtain a classical value. Through entanglement, the results of the measurement from one party can affect the …
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Physical challenges of quantum computation
… of several physical challenges for building a quantum computer, a hypothetical device which is capable of accomplishing tasks unachievable by the classical model of computation. In chapter 1, we will give an overview of quantum computation and discuss the physical challenges for building a …
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Spingineering : quantum control in the presence of relaxation
For certain problems quantum resources can exponentially increase computing power, but these quantum resources are very fragile in practice. When a quantum system interacts with an external environment, it undergoes decoherence - the loss of quantum correlation - and relaxation - the loss of energy …
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Pattern Formation in Certain Classical and Quantum Systems
… rogue waves and a mapping between classical and quantum systems. The rogue wave work deals with analysis of the Nonlinear Schr"{o}dinger Equation and developing new forms of rogue wave solutions. This process includes focussing on the time-reversal invariance of the Nonlinear Shr"{o}dinger …
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Reductive Alkylation of Proteins Towards Structural and Biological Applications
… are identified in 1H-13C heteronuclear single-quantum correlation spectra. Protein chemical modification is a well-established field that continues to impact leading research today including glycomimetics and cross-linking of proteins. Current protein chemical modifications like polyethylene …
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Probing Power-Absorbing Structures at Near-Infrared Wavelengths using Energy Absorption Interferometry
… full spatial contraction of the external field correlation tensor and detector response correlation tensor representing their respective spatial coherence states; EAI recovers the latter, solely using power measurements. EAI is essentially a generalization of holography, and allows the …
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Many-body entanglement in gapped quantum systems : representation, classification, and application
Entanglement is a special form of quantum correlation that exists among quantum particles and it has been realized that surprising things can happen when a large number of particles are entangled together. For example, topological orders emerge in condensed matter systems where the constituent 1023 …
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Optical nonlinear effects and photon pair production in modulated materials
According to quantum field theory an oscillation of boundary conditions in the vacuum can generate real photon pairs, which pop into existence from the zero-point energy. This surprising effect is known as the dynamical Casimir effect (DCE). In this thesis, we focus our attention on using the DCE …
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Squeezing the Quantum Noise of LIGO below the Standard Quantum Limit
… other noises. One of the noise sources is the quantum noise due to the quantum vacuum fluctuations of the light itself. Besides the light, the mirror also has quantum-mechanical features and experiences quantum back-actions when we probe it with light. Knowing the position of the mirror very …
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Vanadium-Catalyzed Aerobic Oxidation of Diols and Lignin Models/Extracts
… (GPC), quantitative-Heteronuclear Single Quantum Correlation (q-HSQC) and quantitative 31P NMR spectroscopy of derived phosphite esters. In a complementary study, oxovanadium(V) catalysts also established their utility for the valorization of cellulose-derived substrates (e.g., diols). Two …
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Quantum discord, EPR steering and Bell-type correlations for secure CV quantum communications
Quantum states can be correlated in ways beyond what is possible for classical states. These correlations are considered as the main resource for quantum computation and communication tasks. In this thesis, I present my studies on the different forms of Quantum Correlations known as "Quantum …
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Quantum discord, EPR steering and Bell-type correlations for secure CV quantum communications
Quantum states can be correlated in ways beyond what is possible for classical states. These correlations are considered as the main resource for quantum computation and communication tasks. In this thesis, I present my studies on the different forms of Quantum Correlations known as "Quantum …
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Processing correlated quantum systems in the one-shot setting
The novel ways in which correlations may be encoded non-locally in quantum mechanics have led to the promise of new technologies. This, in turn, has led to the first attempts at the development of quantum networks. Nonetheless, our understanding of quantum correlations and the limits of how we may …
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Perturbations and symmetry in gravitational theories : wormholes, wave dynamics, and quantum effects in rotating spacetimes.
… and organizing wave dynamics in classical and quantum regimes. Part I establishes a gauge-invariant treatment of perturbations in flat, cosmological, and metric f(R) gravity backgrounds. Using plane gravitational waves, the Bardeen formalism is constructed and contrasted with curvature-based …