Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2001-08-02
Physics
Condensed Matter
Strongly Correlated Electrons
10 pages, 7 figures
Scientific paper
10.1103/PhysRevB.66.014435
We present a theory of the Raman scattering from the orbital wave excitations in manganese oxides. Two excitation processes of the Raman scattering are proposed. The Raman scattering cross section is formulated by using the pseudospin operator for orbital degree of freedom in a Mn ion. The Raman spectra from the orbital wave excitations are calculated and their implications in the recent experimental results reported in LaMnO$_3$ are discussed.
Ishihara Sachiko
Maekawa Sasamichi
Okamoto Satoshi
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