Abstract
In this paper, we show the interesting structure of energy spectrum for a modified Heisenberg XX model, explicit examples for low dimensions N=2,3,…,6 are also provided.
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Wang, XH., Wu, C. Modified Heisenbeg Model and the Structure of Its Energy Spectrum. Int J Theor Phys 46, 2967–2975 (2007). https://doi.org/10.1007/s10773-007-9411-5
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DOI: https://doi.org/10.1007/s10773-007-9411-5