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 47 for “"Long Range Interactions"”.
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Mathematical study of long-range interactions in kinetic equations
… are rigorously justifiable. We focus on long-range interactions, where there is a high frequency of interactions at small deviation angle. These particle interactions induce fluctuations in velocity that generate a Lévy process, which explains the regularisation effect that takes place. …
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Dynamics of quantum many-body systems with long-range interactions
… many-body dynamics of quantum systems with long-range interactions and addresses a few distinct issues. The first one is related to a growing interest in the use of ultracold atoms in optical lattices to simulate condensed matter systems, in particular to understand their magnetic …
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Investigation of the kinetics of protein folding and the ensemble of conformations in non-native states of proteins by liquid NMR spectroscopy
… [phi] and [psi] angles. . Residual structure and long-range interactions in unfolded proteins can be detected by a new combination of site directed non-conservative mutagenesis and NMR analysis. Identification of long-range interactions is a) based on the analysis and interpretation of R₂ …
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Perceptual texture similarity estimation
… In other words, they cannot capture aperiodic, long-range spatial relationships. As we hypothesise that these long-range interactions are important for the human perception of texture similarity we carried out two more pair-of-pairs ex-periments, the results of which indicate that long-range …
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MANY-BODY ENTANGLEMENT DYNAMICS AND COMPUTATION IN QUANTUM SYSTEMS WITH POWER-LAW INTERACTIONS
Quantum many-body systems with long-range interactions—such as those that decay as a power-law in the distance between particles—are promising candidates for quantum information processors. Due to their high degree of connectivity, they are potentially capable of generating entanglement more …
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Modeling larger length and time scales in machine learning force fields
… modern science and improving its accuracy has a long standing history in the computational sciences. The accuracy of a molecular dynamics simulation is determined by the accuracy of the interatomic forces. These forces can be obtained from fast but approximate empirical force fields, or slow but …
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Many-body entangled dynamics of closed and open systems for quantum simulators
… quantum annealing architectures. We analyze how long-range interactions in the quantum Ising model modify the quantum phase diagram. The quantum critical point for the ferromagnetic model shifts to higher external fields to break up the order in comparison to the nearest neighbor model. In …
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Algorithm development for RNA structure prediction in RNA viruses
… especially when it comes to pseudoknots, long-range interactions, and mutually exclusive interactions or switches. Furthermore, separating biologically relevant structures from the vast number of interactions that could theoretically form can be problematic. Since the sequences of RNA …
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COMBINING QUANTUM TRAJECTORIES AND TIME-DEPENDENT VARIATIONAL MONTE CARLO FOR MANY-BODY OPEN QUANTUM SYSTEMS
… to a dissipative many-body spin system with long-range interactions, this method successfully simulates up to 180 spins and provides insights into time evolution of the spin-squeezing parameter. Despite some limitations, such as potential biases and challenges with accuracy in the long-time …
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Building an apparatus for ultracold lithium-potassium Fermi-Fermi mixtures
… door to the study of novel materials with very long-range interactions. This new material might form a crystal, a superfluid with anisotropic order parameter or a supersolid.
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Investigation Into Protein Folding and Misfolding
… the primary structure of amino acids transition along a thermodynamic and kinetic pathway into a functionally folded native-state.</p> <p>The protein folding problem is a multifaceted and interdisciplinary area of research. Two key avenues of investigation include the folding of a protein into its …
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A Theoretical and Experimental Investigation of the Physical and Chemical Properties of Solid Nanoscale Interfaces
… (DFT) with the inclusion of van der Waals (vdW) interactions to study the effect of long-range interactions on the adsorption characteristics of various organic molecules (i.e. benzene, olympicene radical, and sexithiophene) on transition metal surfaces. Secondly, the detailed analysis of x-ray …
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Modelling in chimica computazionale: ottimizzazione di codici MD ed applicazioni allo studio di sistemi ad elevata carica
… added: two efficient grid-based algorithm for long range interactions, SPME and ENUF, are now available; besides, a version of the code runnable on multi graphics boards has been produced. With the new features, the program exhibits a remarkable increase of computational efficiency and an …
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Dynamics in a Fermi lattice gas
… experiment explores the possibility to introduce long-range interactions for fermions trapped in optical lattices via Rydberg-dressed states. We developed a novel velocity-selective spectroscopy method to measure the transition between the 5P_1/2 and Rydberg states via electromagnetically induced …
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Stability of Periodic Waves in Nonlocal Dispersive Equations
… involving nonlocal operators incorporate long-range interactions as well. Such operators appear in numerous applications, including water wave theory and mathematical biology. Specifically, we establish the existence and nonlinear stability of a special class of periodic bound state …
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Chaos and Scrambling in Quantum Small Worlds
… etc.) and completely random interactions. They are systems of quantum spin particles in which the network topology is given by the Watts-Strogatz model of network theory. As such, they furnish a novel laboratory for studying quantum systems transitioning between integrable and …
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Identifying Novel Transcriptional Effectors of the Juvenile Hormone Pathway in Aedes aegypti
… and require protein partners to carry out long range interactions.
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Predicting and understanding inter-locus DNA interactions
… information on features that are inherent to long-range interactions in all cell types as well as in specific cell types. Previous work in the lab used support vector machines on 5C data to find important features. While SVM performance is competitive, it becomes difficult to reveal which …
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Principled Methods and Models for Deep Learning Based Functional Genomics
… The third project presents a method to identify long-range genomic interactions from ChIA-PET and HiChIP data. Enabled by this work, the fourth project aims to provide a means to identify reproducible long-range genomic interactions. We continue the analysis of long-range interactions in the …
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Organization of Paramagnetic and Nonmagnetic Colloidal Particles in Ferrofluid
In this thesis, I have studied magnetic dipolar interactions between paramagnetic and nonmagnetic colloidal particles immersed in a magnetic fluid under the influence of an external time dependent magnetic field. These interactions play an important role in colloidal self-assembly. As a result, of …
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