Flux-quantization In Rings For Hubbard (attractive and Repulsive) and T-j-like Hamiltonians - Comment

TitleFlux-quantization In Rings For Hubbard (attractive and Repulsive) and T-j-like Hamiltonians - Comment
Publication TypeJournal Article
Year of Publication1993
AuthorsChen, L, Mei, CJ, Tremblay, A-MS
JournalPhysical Review B
Volume47
Pagination15316–15318
Abstract

It is shown for three models with strong correlations that the value of the total spin of the ground state of finite-size rings with two fermions (holes or electrons) can change as a function of magnetic flux PHI. It is concluded that the magnetic flux periodicity may be used as a test of binding only if one also checks for changes in spin quantum numbers.

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