Abstract
In the framework of Pariser-Parr-Pople π-electron Hamiltonian the spin Hamiltonian (of the Heisenberg type) is obtained for conjugated polymers with half filled π-electron band. Using the spin Hamiltonian the dimerization of molecules like poly-acetylene is treated as spin-Peierls instability. The conditions are studied under which the ground state of π-electron system is ferromagnetic.
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© 1989 Plenum Press, New York
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Bulaevskii, L.N. (1989). Use of the Spin Hamiltonian to Study the Spin-Peierls Instability and Magnetism in Conjugated Polymers. In: Baeriswyl, D., Campbell, D.K. (eds) Interacting Electrons in Reduced Dimensions. NATO ASI Series, vol 213. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0565-1_28
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DOI: https://doi.org/10.1007/978-1-4613-0565-1_28
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