Alternating-spin S=3/2 and sigma=1/2 Heisenberg chain with isotropic three-body exchange interactions

Ivanov N, Petrova SI, Schnack J (2016)
EUROPEAN PHYSICAL JOURNAL B 89(5): 121.

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The promotion of collinear classical spin configurations as well as the enhanced tendency towards nearest-neighbor clustering of the quantum spins are typical features of the frustrating isotropic three-body exchange interactions in Heisenberg spin systems. Based on numerical density-matrix renormalization group calculations, we demonstrate that these extra interactions in the Heisenberg chain constructed from alternating S = 3/2 and sigma = 1/2 site spins can generate numerous specific quantum spin states, including some partially-polarized ferrimagnetic states as well as a doubly-degenerate non-magnetic gapped phase. In the non-magnetic region of the phase diagram, the model describes a crossover between the spin-1 and spin-2 Haldane-type states.
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Ivanov N, Petrova SI, Schnack J. Alternating-spin S=3/2 and sigma=1/2 Heisenberg chain with isotropic three-body exchange interactions. EUROPEAN PHYSICAL JOURNAL B. 2016;89(5): 121.
Ivanov, N., Petrova, S. I., & Schnack, J. (2016). Alternating-spin S=3/2 and sigma=1/2 Heisenberg chain with isotropic three-body exchange interactions. EUROPEAN PHYSICAL JOURNAL B, 89(5), 121. doi:10.1140/epjb/e2016-70057-y
Ivanov, N., Petrova, S. I., and Schnack, J. (2016). Alternating-spin S=3/2 and sigma=1/2 Heisenberg chain with isotropic three-body exchange interactions. EUROPEAN PHYSICAL JOURNAL B 89:121.
Ivanov, N., Petrova, S.I., & Schnack, J., 2016. Alternating-spin S=3/2 and sigma=1/2 Heisenberg chain with isotropic three-body exchange interactions. EUROPEAN PHYSICAL JOURNAL B, 89(5): 121.
N. Ivanov, S.I. Petrova, and J. Schnack, “Alternating-spin S=3/2 and sigma=1/2 Heisenberg chain with isotropic three-body exchange interactions”, EUROPEAN PHYSICAL JOURNAL B, vol. 89, 2016, : 121.
Ivanov, N., Petrova, S.I., Schnack, J.: Alternating-spin S=3/2 and sigma=1/2 Heisenberg chain with isotropic three-body exchange interactions. EUROPEAN PHYSICAL JOURNAL B. 89, : 121 (2016).
Ivanov, Nedko, Petrova, Svetozara I., and Schnack, Jürgen. “Alternating-spin S=3/2 and sigma=1/2 Heisenberg chain with isotropic three-body exchange interactions”. EUROPEAN PHYSICAL JOURNAL B 89.5 (2016): 121.
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