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Mathematical Physics
Title: Exact physical quantities of a competing spin chain in the thermodynamic limit
(Submitted on 3 Nov 2022 (v1), last revised 27 Aug 2023 (this version, v3))
Abstract: We study the exact physical quantities of a competing spin chain which contains many interesting and meaningful couplings including the nearest neighbor, next nearest neighbor, chiral three spins, Dzyloshinsky-Moriya interactions and unparallel boundary magnetic fields in the thermodynamic limit. We obtain the density of zero roots, surface energies and elementary excitations in different regimes of model parameters. Due to the competition of various interactions, the surface energy and excited spectrum show many different pictures from those of the Heisenberg spin chain.
Submission history
From: Yi Qiao [view email][v1] Thu, 3 Nov 2022 10:01:58 GMT (2776kb)
[v2] Fri, 4 Nov 2022 07:13:57 GMT (2776kb)
[v3] Sun, 27 Aug 2023 12:28:56 GMT (3316kb)
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