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VOLUME 64 (1996) | ISSUE 12 | PAGE 859
Comment on "Integrable chain of electrons interacting with phonons", by M.E.Zhuravlev, V.A.Ivanov and V.V.Achkasov
We note that the exactly solvable electron-phonon Hamiltonian presented in this paper can be solved by a more direct route via the Lang-Firsov transformation. PACS: 63.20.Kr, 71.10.-w, 71.27.+a