Matrix product representations for spin-(1/2) and spin-(3/2) spontaneous quantum ferrimagnets

S. Alipour*, S. Baghbanzadeh, V. Karimipour

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

Using the matrix product formalism, we find exact ground states for two new spin-(1/2) and spin-(3/2) quantum chains. On a lattice of 3N sites, these ground states have a total spin of N/2, and hence have ferrimagnetic character. The novel point of this construction is that we construct a matrix product representation, not for a state which is invariant under rotation as has been hitherto considered, but for a state which transforms to other states under this symmetry operation. The method can be directly generalized to other symmetry groups.

Original languageEnglish
Article number67006
JournalEPL
Volume84
Issue number6
DOIs
Publication statusPublished - 1 Dec 2008
MoE publication typeA1 Journal article-refereed

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