Ultracold Atoms for Foundational Tests of Quantum Mechanics

Authors: Lewis-Swan, Robert J.
Nominated as an outstanding Ph.D. thesis by the The University of Queensland, AustraliaProvides a strong theoretical background to the generation, characterization and exploitation of quantum correlations and entanglement, with a particular focus on quantum-atom optics
Presents a comprehensive theoretical analysis of novel, experimentally realistic proposals to demonstrate non-classical phenomena such as the Hong-Ou-Mandel effect and violation of a Bell inequality with matter waves
Offers a detailed introduction to phase-space methods and their use in simulating the non-equilibrium dynamics of large quantum many-body systems

This thesis presents a theoretical investigation into the creation and exploitation of quantum correlations and entanglement among ultracold atoms. Specifically, it focuses on these non-classical effects in two contexts: (i) tests of local realism with massive particles, e.g., violations of a Bell inequality and the EPR paradox, and (ii) realization of quantum technology by exploitation of entanglement, for example quantum-enhanced metrology. In particular, the work presented in this thesis emphasizes the possibility of demonstrating and characterizing entanglement in realistic experiments, beyond the simple “toy-models” often discussed in the literature. The importance and relevance of this thesis are reflected in a spate of recent publications regarding experimental demonstrations of the atomic Hong-Ou-Mandel effect, observation of EPR entanglement with massive particles and a demonstration of an atomic SU(1,1) interferometer. With a separate chapter on each of these systems, this thesis is at the forefront of current research in ultracold atomic physics.

Number of Illustrations and Tables
21 b/w illustrations, 14 illustrations in colour
Topics
Quantum Physics
Quantum Information Technology, Spintronics
Quantum Gases and Condensates

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