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 16 of 16 for “"quantum many-body physics"”.
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Inverse methods in quantum many-body physics
"The interactions of many quantum particles can give rise to fascinating emergent behavior and exotic phases of matter with no classical analogues. Examples include phases with topological properties, which can occur at low temperatures in frustrated magnets and certain superconductors, and …
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Quantum Stochastic Processes and Quantum Many-Body Physics
This dissertation investigates the theory of quantum stochastic processes and its applications in quantum many-body physics. The main goal is to analyse complexity-theoretic aspects of both static and dynamic properties of physical systems modelled by quantum stochastic processes. The thesis …
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Quantum many-body physics with classical and quantum algorithms
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2023-12-01
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Quantum many body physics in single and bilayer graphene
… a uniquely promising avenue for investigation of many body physics. Graphene constitutes a new and unusual 2DES, which may give rise to unexpected collective phenomena. However, the vanishing density of states in charge neutral single layer graphene suppresses many body effects, and one has to …
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Topics in quantum information theory and quantum many-body physics
… two results relating to the intersection between quantum information theory and quantum many-body physics. The first pertains to quantum algorithms, where few computational problems are believed to exhibit exponential separation between quantum and classical performance. For those that are, …
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Quantum many-body physics of ultracold molecules in optical lattices: models and simulation methods
Includes bibliographical references.
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TOWARDS ULTRACOLD FERMIONS IN 2D DISORDERED OPTICAL LATTICES
Quantum simulation with ultracold atoms offers unparalleled control for studying complex many body phenomena, yet scalable platforms for disordered systems remain challenging. This work presents the development of an experimental platform to investigate quantum many-body physics with ultracold …
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Quantum Computation and Simulation using Fermion Pair Registers
Quantum gas microscopes provide a powerful toolbox for probing quantum many-body physics. Recently, an exciting progress has been reported on realizing a large-scale quantum register of fermion pairs with a quantum gas microscope, in which tightly localized fermion pairs are used to encode qubits …
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Entanglement and Chaos in Quantum Field Theory and Gravity
… explore several questions at the intersection of quantum information theory and quantum many-body physics. We study properties like entanglement and chaos, and we use intuition from discrete, few-body systems to learn about continuum systems. First we study quantum scars, a phenomenon previously …
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NMR studies of quantum thermalization
Quantum thermalization is a generic process that a quantum system reaches its equilibrium. Quantum thermalization lies in the interface of various distinct fields, ranging from condensed matter physics and quantum cosmology to quantum information science. The converging efforts from different …
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Quantum simulation and out-of-equilibrium dynamics of quantum gases in optical cavities
… for the study of out-of-equilibrium dynamics and quantum simulation of many- body systems. In this thesis, we explore these two possibilities, motivated by current state-of-the-art atom-cavity experiments, uncovering novel phenomena and opening up new theoretical and experimental avenues into the …
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Friction under microscope with trapped ions in optical lattices
… and the system can further be used to study quantum many-body physics of solids in periodic potentials, potentially relevant to friction and surface physics at the nanoscale and at cold surfaces.
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Magic and Majorana Fermions in Quantum Computing, Topological Matter, and Dynamics
… of “magic”, and the use of Majorana fermions, in quantum many-body physics and quantum computing. Along with other quantum resources, magic helps determine the advantage that a quantum circuit can display over classical computation. For the components of the quantum computer itself, Majorana …
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Exotic vortices in superfluids and matrix product states for quantum optimization and machine learning
… and attracted a lot of interest across the physics community. In this dissertation we study vortices in two different systems: a rotating, Rabi-coupled, two-component Bose--Einstein condensate (BEC) and a rotating spinor-BEC, in two spatial dimensions. Vortex molecules can form in a …
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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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Algorithmic advancements in correlated electron and quantum information simulation
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-04-12 without embargo terms