Raman Scattering in the Quadrupolar Ordering Phase of CeB_6
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概要
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We theoretically investigate the Raman scattering in the quadrupolar ordering phase of CeB_6,on the basis of the model Hamiltonian of Shiba et al. Approximating the total susceptibility by a sum of quadrupole moments of each Ce atom, we calculate the Raman spectra corresponding to the orbital excitations in the Г_8 states within the random phase approximation. We obtain the spectra consisting of several peaks as a function of frequency shift. They are found to depend strongly on the polarization of light. We discuss also the temperature and the magnetic field dependences of the spectra.
- 社団法人日本物理学会の論文
- 2002-02-15
著者
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IGARASHI Jun-ichi
Faculty of Science, Ibaraki University
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NAGAO Tatsuya
Faculty of Engineering, Gunma University
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Nagao Tatsuya
Faculty Of Engineering Gunma University
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Igarashi Jun-ichi
Faculty Of Engineering Gunma University
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