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 10 of 10 for “"two-state system"”.
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Computation by block copolymer self-assembly
… that uses novel information tokens from natural systems to perform information processing. Using the complexity of physical systems, unconventional computing systems can efficiently solve problems that are difficult to solve classically. In this thesis, we use block copolymer self-assembly, a …
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Alternative values for sin(2beta) measured from electron/positron collisions at Babar
… created in this collision that is composed of two one-state systems instead of one two-state system. Considering only neutral mesons, I write a Monte Carlo simulation to determine an adjusted value for [Delta]m and use this value to fit the data that Babar published. Based on this analysis, I …
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Decoherence, Master Equation for Open Quantum Systems, and the Subordination Theory
… the spectroscopy of blinking quantum dots. The system studied is a two-state system, interacting with an external environment that has the effect of establishing an interaction between the two states, via a coherence generating coupling, called inphasing. The collisions with the environment …
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Synchronization and Signal Enhancement in Nonlinear and Stochastic Systems
… junction arrays. At high frequencies these systems are no longer well modeled by Kirchhoffs laws, and new dynamical equations are derived directly from Maxwells equations. From these equations we derive a reduced set of averaged equations which greatly simplify the analysis of high frequency …
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Nonadiabatic control of a superconducting qubit via strong driving
… and the simulation of quantum mechanical systems. Quantum computation is achieved by replacing the bits of a classical computer with quoits. Qubits generalize bits by allowing not only the classical states of zero and one, but also any arbitrary superposition of zero and one. These qubits …
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Theory of photo-induced ferro-magnetism in dilute magnetic semiconductors
… semiconductors. When light is incident on these systems, electrons and holes are created across the band gap. These particles interact with the impurity magnetic moments and mediate ferro-magnetism when temperature is lowered. This is a situation similar to the famous Rabi problem of a two state …
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Two-state systems with non-Markovian thermal and squeezed quantum noise inputs
The effect of quantum noise on the two-state system is studied in the context of (i) coherent quantum tunnelling in a double-well system subject to low temperature quantum noise, and (ii) the two-level atom subject to finite bandwidth squeezed noise. Our approach to these problems is based on the …
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A model for the investigation of cost variances: the fuzzy set theory approach
… based on the unrealistic assumptions of (1) a two-state system, and (2) constant level of accuracy and precision. In addition, the models suffer from the lack of applicability. They require precise numerical inputs to the analysis that are difficult, if not impossible, to attain. This …
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Some theoretical considerations related to the experimental tests of a Temporal Bell's inequality
… macroscopic scale predicts that a macroscopic system can be in more than one distinct state at the same time. Such an extrapolation of quantum mechanics contradicts our everyday instinct, summarized by Leggett and Garg (LG) under the heading of macrorealism (MR) [1]. To resolve the conflict and …
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Dinamica effettiva di sistemi quantistici driven chiusi e aperti
… capable of creating and controlling quantum states in physical systems, called NISQ (Noisy Intermediate-Scale Quantum) computers. They constitute an important intermediate stage towards the demonstration of a large-scale quantum computer. Huge efforts have been and are being made in …