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有限体积中的少体束缚态与共振态

Few-Body Bound States and Resonances in Finite Volume.

作者信息

König Sebastian

机构信息

Department of Physics, Technische Universität Darmstadt, 64289 Darmstadt, Germany.

ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, Germany.

出版信息

Few Body Syst. 2020;61(3):20. doi: 10.1007/s00601-020-01550-8. Epub 2020 Jun 29.

DOI:10.1007/s00601-020-01550-8
PMID:32684657
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7357817/
Abstract

Since the pioneering work of Lüscher in the 1980s it is well known that considering quantum systems in finite volume, specifically, finite periodic boxes, can be used as a powerful computational tool to extract physical observables. While this formalism has been worked out in great detail in the two-body sector, much effort is currently being invested into deriving analogous relations for systems with more constituents. This work is relevant not only for nuclear physics, where lattice methods are now able to calculate few- and many-nucleon states, but also for other fields such as simulations of cold atoms. This article discusses recent progress regarding the extraction of few-body bound-state and resonance properties from finite-volume calculations of systems with an arbitrary number of constituents.

摘要

自20世纪80年代吕舍尔的开创性工作以来，众所周知，考虑有限体积中的量子系统，具体而言，有限周期盒，可以用作提取物理可观测量的强大计算工具。虽然这种形式体系在两体领域已经得到了非常详细的研究，但目前人们正在投入大量精力来推导具有更多组分的系统的类似关系。这项工作不仅与核物理相关，在核物理中晶格方法现在能够计算少核子和多核子态，而且还与其他领域相关，如冷原子模拟。本文讨论了从具有任意数量组分的系统的有限体积计算中提取少体束缚态和共振性质的最新进展。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/9fd1606771d0/601_2020_1550_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/c8ef22e8e54b/601_2020_1550_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/cf0527590282/601_2020_1550_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/1ce550939c3e/601_2020_1550_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/de5779a6b399/601_2020_1550_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/83d69d481b08/601_2020_1550_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/83e42b60ef99/601_2020_1550_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/bc324ffc9770/601_2020_1550_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/5e563aeeb2f3/601_2020_1550_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/9fd1606771d0/601_2020_1550_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/c8ef22e8e54b/601_2020_1550_Fig1_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/cf0527590282/601_2020_1550_Fig2_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/1ce550939c3e/601_2020_1550_Fig3_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/de5779a6b399/601_2020_1550_Fig4_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/83d69d481b08/601_2020_1550_Fig5_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/83e42b60ef99/601_2020_1550_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/bc324ffc9770/601_2020_1550_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/5e563aeeb2f3/601_2020_1550_Fig8_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0db7/7357817/9fd1606771d0/601_2020_1550_Fig9_HTML.jpg

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