Abstract:
:We have found a stable spin-structure of N [Formula: see text] 3 system in which three spin-3 atoms are trapped and coupled to total spin S [Formula: see text] 3. We have proved that a pair of this structure is nearly an exact solution for N [Formula: see text] 6 systems in a very broad district in the parameter-space. Comparing with the well-known singlet pairs, this pair is a more promising candidate to serve as a building block for large N systems with spin-3 atoms. This is because the spin-structure of the latter can be modified depending on the interactions to reduce the energy while the singlet pairs can not. In fact, we have proved that, for a specific set of strengths (a point in the parameter-space) the product state based on this pair is an exact solution of the N-body Hamiltonian. Thus, in the neighborhood of this point, the product state will appear as an approximate solution. However, how broad this neighborhood would be remains to be clarified.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Liu YM,He YZ,Bao CGdoi
10.1038/s41598-021-81133-7subject
Has Abstractpub_date
2021-01-19 00:00:00pages
1792issue
1issn
2045-2322pii
10.1038/s41598-021-81133-7journal_volume
11pub_type
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