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Magnetic dipole and electric quadrupole contributions to second‐harmonic generation in C 60 —A valence effective hamiltonian study
Author(s) -
Shuai Zhigang,
Brédas JeanLuc
Publication year - 1994
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.19940060610
Subject(s) - quadrupole , dipole , second harmonic generation , hamiltonian (control theory) , magnetic dipole , materials science , atomic physics , spectral line , quadrupole magnet , nonlinear optical , condensed matter physics , valence (chemistry) , magnetic moment , electric field , nonlinear system , physics , quantum mechanics , mathematical optimization , laser , mathematics
The nonlinear optical (NLO) properties of fullerenes have attracted great attention recently. However, there is no agreement on the origin of the second‐harmonic generation (SHG) signla, for example. The work reported here could settle this dispute. A theoretical approach to calculating the electric‐dipole, magnetic‐dipole, and electic‐quadrupole transition moments SHG spectra in C 60 are calculated.