Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Laser-induced frequency shift in a spin-1 Bose-Einstein condensate of sodium. / Zheng, Ningxuan; Liu, Wenliang; Sovkov, Vladimir; Tian, Li; Li, Yuqing; Fu, Yongming; Li, Peng; Wu, Jizhou; Ma, Jie; Xiao, Liantuan; Jia, Suotang.
в: Journal of Quantitative Spectroscopy and Radiative Transfer, Том 277, 107985, 01.2022.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Laser-induced frequency shift in a spin-1 Bose-Einstein condensate of sodium
AU - Zheng, Ningxuan
AU - Liu, Wenliang
AU - Sovkov, Vladimir
AU - Tian, Li
AU - Li, Yuqing
AU - Fu, Yongming
AU - Li, Peng
AU - Wu, Jizhou
AU - Ma, Jie
AU - Xiao, Liantuan
AU - Jia, Suotang
N1 - Publisher Copyright: © 2021 Elsevier Ltd
PY - 2022/1
Y1 - 2022/1
N2 - Experimental measurement and analysis of the laser-induced frequency shifts (LIFSs) of photoassociation (PA) spectra in a spinor Bose–Einstein condensate (BEC) of sodium is reported. The trap loss spectra of the atoms in the BEC were recorded at different PA laser intensities. Linear variations of the frequency shift for different spin components were demonstrated. The analogous linear dependence on the intensity of the full width at half maximum (FWHM) of the spectra was also shown. The slopes of the linear relationships of the shift and broadening are both independent of spin component within the error range of the experiment. A theoretical model, considering the interactions of three channels (a scattering continuum state, a single bound level near the scattering state, and an optically excited light-dressed level), explains the linear dependence of the LIFSs and the FWHM broadening on the PA laser power. The experimental results are consistent with the theoretical calculations.
AB - Experimental measurement and analysis of the laser-induced frequency shifts (LIFSs) of photoassociation (PA) spectra in a spinor Bose–Einstein condensate (BEC) of sodium is reported. The trap loss spectra of the atoms in the BEC were recorded at different PA laser intensities. Linear variations of the frequency shift for different spin components were demonstrated. The analogous linear dependence on the intensity of the full width at half maximum (FWHM) of the spectra was also shown. The slopes of the linear relationships of the shift and broadening are both independent of spin component within the error range of the experiment. A theoretical model, considering the interactions of three channels (a scattering continuum state, a single bound level near the scattering state, and an optically excited light-dressed level), explains the linear dependence of the LIFSs and the FWHM broadening on the PA laser power. The experimental results are consistent with the theoretical calculations.
KW - Laser–nduced frequency shift
KW - Photoassociation
KW - Spinor Bose-Einstein condensate
KW - LIFS
KW - BEC
KW - Laser-induced frequency shift
KW - Photoassociation
KW - Spinor Bose–Einstein condensate
KW - RESONANCE
KW - ATOMS
KW - UNIFIED THEORY
KW - Spinor Bose-Einstein condensate
KW - SPECTRA
KW - MOLECULES
UR - http://www.scopus.com/inward/record.url?scp=85118496617&partnerID=8YFLogxK
UR - https://www.mendeley.com/catalogue/efe46922-03bf-3943-8fbd-656119eb78dd/
U2 - 10.1016/j.jqsrt.2021.107985
DO - 10.1016/j.jqsrt.2021.107985
M3 - Article
VL - 277
JO - Journal of Quantitative Spectroscopy and Radiative Transfer
JF - Journal of Quantitative Spectroscopy and Radiative Transfer
SN - 0022-4073
M1 - 107985
ER -
ID: 87740703