Experimental investigation of barium spectra in crossed electric and magnetic fields |
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| Authors: | Quan Wei Liu Hong-Ping Shen Li Zhan Ming-Sheng |
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| Affiliation: | State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics,Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, China; Center for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 430071, China; Graduate School of Chinese Academy of Sciences, Beijing 100080, China |
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| Abstract: | This paper has studied the barium spectra in external magnetic andelectric fields on the recently-built system based on asuper-conducting solenoid with high stability of better than 1 Gauss.Firstly, we compared the spectra in a high pure magnetic field of$B=4.00000$,T for different polarized laser, $sigma^{+}$ and$sigma^-$. We prove that after a proper shift, the $sigma^+$ and$sigma^-$ spectra are completely identical. We also investigated thedependence of the spectral feature in the high magnetic field on anadditionally applied crossing electric field. Along with the increaseof the electric field, there is an energy shift for every spectralline. Based on a transformative Hamiltonian, we explained this energyshift well. |
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| Keywords: | crossed fields Rydberg barium |
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