The role of q-spin singlet pairs of physical spins in the dynamical properties of the spin-1/2 Heisenberg-Ising XXZ chain
Dynamical correlation functions contain important physical information on correlated spin models. Here a dynamical theory suitable to the Δ=1 isotropic spin-1/2 Heisenberg chain in a longitudinal magnetic field is extended to anisotropy Δ>1. The aim of this paper is the study of the (k,ω)-plane l...
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| Auteurs principaux: | , |
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| Format: | article |
| Langue: | EN |
| Publié: |
Elsevier
2022
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| Accès en ligne: | https://doaj.org/article/36fdf0410a55416a8320305003b30abb |
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