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UID:10000396-1743775200-1743778800@quantum.ncsu.edu
SUMMARY:Triangle Quantum Seminar
DESCRIPTION:Details to be announced!
URL:https://quantum.ncsu.edu/event/triangle-quantum-seminar/2025-04-04/
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SUMMARY:Effective Theory for Strongly Attractive One-Dimensional Fermions
DESCRIPTION:Abstract\nI discuss how to effectively describe a one-dimensional system of two-component fermions in the regime of strong attractive particle-particle interactions. First\, we examine scattering in the corresponding few-body problem\, which can be solved analytically using the Bethe ansatz. This approach enables us to engineer effective interactions between the system’s relevant degrees of freedom: fermions and bosonic dimers (tightly bound pairs of fermions). We argue that\, despite the strength of these interactions\, the resulting effective problem can be mapped onto a weakly interacting one\, thereby facilitating the use of techniques such as perturbation theory. This insight simplifies the study of many-fermion systems under confinement\, which are otherwise beyond the reach of state-of-the-art numerical methods. \nSpeaker Bio\n\n\n\n\n\n\n\n\nTimothy George Backert \nTimothy George Backert received his M.Sc. in Physics from Technische Universität Darmstadt in 2023\, where he also earned his B.Sc. in Physics in 2021. Currently\, he is pursuing a PhD in Physics at Technische Universität Darmstadt under the guidance of Prof. Dr. Hans-Werner Hammer\, focusing on the “Continuum Structure of the Four-Neutron System.” Timothy’s research interests include effective field theories of nuclear structure\, cold quantum gases\, and ab initio methods\, particularly in lower-dimensional systems. Prior to his PhD\, Timothy’s research primarily centered on one-dimensional Bose and Fermi gases.
URL:https://quantum.ncsu.edu/event/effective-theory-for-strongly-attractive-one-dimensional-fermions/
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DTSTART;TZID=America/New_York:20250411T140000
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CREATED:20250130T183624Z
LAST-MODIFIED:20250130T183802Z
UID:10000397-1744380000-1744383600@quantum.ncsu.edu
SUMMARY:Triangle Quantum Seminar
DESCRIPTION:Details to be announced!
URL:https://quantum.ncsu.edu/event/triangle-quantum-seminar/2025-04-11/
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DTSTART;TZID=America/New_York:20250418T140000
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UID:10000398-1744984800-1744988400@quantum.ncsu.edu
SUMMARY:Triangle Quantum Seminar
DESCRIPTION:Details to be announced!
URL:https://quantum.ncsu.edu/event/triangle-quantum-seminar/2025-04-18/
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