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Chin. Phys. B, 2021, Vol. 30(6): 063101    DOI: 10.1088/1674-1056/abea90

Charge disturbance/excitation in the Raman virtual state revealed by ROA signal: A case study of pinane

Ziqi Zhu(祝子祺)1, Peijie Wang(王培杰)2,†, and Guozhen Wu(吴国祯)1,‡
1 State Key Laboratory of Low-Dimensional Quantum Physics, Department of Physics, Tsinghua University, Beijing 100084, China;
2 The Beijing Key Laboratory for Nano-Photonics and Nano-Structure, Department of Physics, Capital Normal University, Beijing 100048, China
Abstract  The Raman mode intensities are used to extract the bond polarizabilities which are the indication of the charge disturbance/excitation of the Raman virtual state. A classical formula based on the electric and magnetic dipolar coupling among the charges on the atoms is developed which relates the charges and vibrational amplitudes of the atoms in a normal mode to the Raman optical activity (ROA) mode signatures. By fitting with the experimental ROA signatures, we are able to elucidate the scaling parameter which relates the bond polarizability to the electric charge. The result shows that around 40% of the charges in pinane are involved in the Raman process under 532 nm laser excitation.
Keywords:  Raman intensity      bond polarizabilities      Raman optical activity      handedness      pinane      electric charge  
Received:  20 December 2020      Revised:  10 February 2021      Accepted manuscript online:  01 March 2021
PACS:  31.15.ap (Polarizabilities and other atomic and molecular properties)  
  33.20.Fb (Raman and Rayleigh spectra (including optical scattering) ?)  
  33.20.Tp (Vibrational analysis)  
  52.38.Bv (Rayleigh scattering; stimulated Brillouin and Raman scattering)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 21872097) and Scientific Research Base Development Program of the Beijing Municipal Commission of Education.
Corresponding Authors:  Peijie Wang, Guozhen Wu     E-mail:;

Cite this article: 

Ziqi Zhu(祝子祺), Peijie Wang(王培杰), and Guozhen Wu(吴国祯) Charge disturbance/excitation in the Raman virtual state revealed by ROA signal: A case study of pinane 2021 Chin. Phys. B 30 063101

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