SPRI | Heteronuclear Efimov Scenario In Ultracold Quantum Gases (2017 EN)

Author: Juris Ulmanis
Full Title: Heteronuclear Efimov Scenario In Ultracold Quantum Gases: Universality In Systems With Large Mass Imbalance
Publisher: Springer; 1st ed. 2017 edition (March 10, 2017)
Year: 2017
ISBN-13: 9783319518626 (978-3-319-51862-6), 9783319518619 (978-3-319-51861-9)
ISBN-10: 3319518623, 3319518615
Pages: 125
Language: English
Genre: Physics: Atomic, Molecular, Optical & Plasma Physics
File type: PDF (True)
Quality: 10/10
Price: 106.99 €


This thesis represents a decisive breakthrough in our understanding of the physics of universal quantum-mechanical three-body systems.

The Efimov scenario is a prime example of how fundamental few-body physics features universally across seemingly disparate fields of modern quantum physics. Initially postulated for nuclear physics more than 40 years ago, the Efimov effect has now become a new research paradigm not only in ultracold atomic gases but also in molecular, biological and condensed matter systems. Despite a lot of effort since its first observations, the scaling behavior, which is a hallmark property and often referred to as the “holy grail” of Efimov physics, remained hidden until recently. In this work, the author demonstrates this behavior for the first time for a heteronuclear mixture of ultracold Li and Cs atoms, and pioneers the experimental understanding of microscopic, non-universal properties in such systems. Based on the application of Born-Oppenheimer approximation, well known from molecular physics textbooks, an exceptionally clear and intuitive picture of heteronuclear Efimov physics is revealed.

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