Completing the solution for the OSp(1|2) spin chain
The periodic OSp(1|2) quantum spin chain has both a graded and a non-graded version. Naively, the Bethe ansatz solution for the non-graded version does not account for the complete spectrum of the transfer matrix, and we propose a simple mechanism for achieving completeness. In contrast, for the gra...
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| Médium: | Článek |
| Jazyk: | English |
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Elsevier
2020-02-01
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| Edice: | Nuclear Physics B |
| On-line přístup: | http://www.sciencedirect.com/science/article/pii/S0550321319303736 |