Geodesic
Isolated magnon in a~linear ferromagnetic chain
Teoretičeskaâ i matematičeskaâ fizika, Tome 32 (1977) no. 1, pp. 127-130

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Linear ferromagnetic chain described by the Heisenberg hamiltonian is considered. It is shown that taking into account the spin excitations together with the dynamics of the lattice in the classical approximation leads to the existence of special type excitations of isolated magnons. Energy and wave function of isolated magnon are found. 
@article{TMF_1977_32_1_a11,
     author = {V. P. Yatsishin},
     title = {Isolated magnon in a~linear ferromagnetic chain},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {127--130},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1977_32_1_a11/}
}
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V. P. Yatsishin. Isolated magnon in a~linear ferromagnetic chain. Teoretičeskaâ i matematičeskaâ fizika, Tome 32 (1977) no. 1, pp. 127-130. http://geodesic.mathdoc.fr/item/TMF_1977_32_1_a11/