Probing Correlated Quantum Many-Body Systems at the Single-Particle Level

Probing Correlated Quantum Many-Body Systems at the Single-Particle Level

by Manuel Endres

Paperback(Softcover reprint of the original 1st ed. 2014)

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Overview

How much knowledge can we gain about a physical system and to what degree can we control it? In quantum optical systems, such as ion traps or neutral atoms in cavities, single particles and their correlations can now be probed in a way that is fundamentally limited only by the laws of quantum mechanics. In contrast, quantum many-body systems pose entirely new challenges due to the enormous number of microscopic parameters and their small length- and short time-scales.
This thesis describes a new approach to probing quantum many-body systems at the level of individual particles: Using high-resolution, single-particle-resolved imaging and manipulation of strongly correlated atoms, single atoms can be detected and manipulated due to the large length and time-scales and the precise control of internal degrees of freedom. Such techniques lay stepping stones for the experimental exploration of new quantum many-body phenomena and applications thereof, such as quantum simulation and quantum information, through the design of systems at the microscopic scale and the measurement of previously inaccessible observables.

Product Details

ISBN-13: 9783319359014
Publisher: Springer International Publishing
Publication date: 10/21/2016
Series: Springer Theses
Edition description: Softcover reprint of the original 1st ed. 2014
Pages: 165
Product dimensions: 6.10(w) x 9.25(h) x 0.02(d)

Table of Contents

Introduction.- Part I Single-Site- and Single-Atom-Resolved Detection of Atomic Limit Mott Insulators.- Superfluid-Mott-Insulator Transition.- Overview of the Experimental Procedure.- Single-Site-Resolved Imaging and Thermometry of Atomic Limit Mott Insulators.- Part II Single-Site- and Single-Atom-Resolved Detection of Correlation Functions.- Detection of Particle-Hole Pairs Using Two-Site Correlation Functions.- Non-Local Correlations in One Dimension.- Non-Local Correlations in Two Dimensions, Duality and Distribution Functions.- Part III 'Higgs’ Amplitude Mode.- Introduction to Amplitude and Phase Modes.- Detection of the Higgs Amplitude Mode at the 2d SF-Mott-Insulator Transition.- Outlook.- Part IV Appendix.- Appendix A Experimental Details.- Appendix B Numerical Methods for Correlation Functions.- Appendix C Calculation for Non-Local Correlations in One Dimension.- Appendix D Calculation for Non-Local Correlations in Two Dimensions.

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