Raman scattering in the two-dimensional
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T. Tohyama; J. Inoue; S. Maekawa
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Article
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1993
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Elsevier Science
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English
โ 216 KB
Magnon Raman spectra in the half-filled two-dimensional Hubbard model are calculated by using the exact diagonalization of a X/-8 x v'-8 lattice. Theoretical results of the peak positions and relative intensities of the B~, A~ and B 2 spectra agree with the observed ones. The frequency dependence of