Universality in Ultra-Cold Few- and Many-Boson Systems
Martin Th{\o}gersen
TL;DR
This paper explores the universal behaviors and finite-range effects in ultra-cold bosonic systems, analyzing three-body and many-body phenomena, including Efimov physics and higher-order interactions.
Contribution
It provides new theoretical insights into universality and finite-range corrections across various bosonic systems at ultra-cold temperatures.
Findings
Finite-range corrections modify Efimov physics predictions.
Identification of N-body Efimov effect in bosonic systems.
Analysis of higher-order interactions in Bose-Einstein condensates.
Abstract
This dissertation presents theoretical investigations of universality and finite-range corrections in few- and many-boson systems. The main focus is on ultra-cold atomic gases seen both from the three-body, many-body, and mean-field perspective. Topics include corrections to Efimov physics, the N-body Efimov effect, two-body correlations in condensates and higher-order interactions in mean-field BECs.
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Taxonomy
TopicsCold Atom Physics and Bose-Einstein Condensates · Quantum, superfluid, helium dynamics · Atomic and Subatomic Physics Research