On the weakness of short-range interactions in Fermi gases

被引：0
|
作者：
M. Griesemer
M. Hofacker
机构：
[1] Universität Stuttgart,Fachbereich Mathematik
来源：
Letters in Mathematical Physics | 2023年 / 113卷
关键词：
Fermi gas; Short-range interactions; Zero-range limit of many-particle Schrödinger operators; Contact interactions for fermions; Ultracold quantum gases;
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摘要：
Ultracold quantum gases of equal-spin fermions with short-range interactions are often considered free even in the presence of strongly binding spin-up–spin-down pairs. We describe a large class of many-particle Schrödinger operators with short-range pair interactions, where this approximation can be justified rigorously.
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