We provide a fast iteration method to calculate the ion equilibrium temperature in an ultracold neutral plasma(UNP).The temperature as functions of electron initial temperature and ion density is obtained and compared...We provide a fast iteration method to calculate the ion equilibrium temperature in an ultracold neutral plasma(UNP).The temperature as functions of electron initial temperature and ion density is obtained and compared with the recent UNP experimental data.The theoretical predictions agree with the experimental results very well.The calculated ion equilibrium temperature by this method can be applied to study the UNP expansion process more effectively.展开更多
We provide a theoretical study to calculate the spin-dependent optical lattice with rubidium Bose-Einstein condensation(BEC)in a steady magnetic field.The optical dipole potential variation at different Zeeman levels ...We provide a theoretical study to calculate the spin-dependent optical lattice with rubidium Bose-Einstein condensation(BEC)in a steady magnetic field.The optical dipole potential variation at different Zeeman levels are obtained.We also show that atoms can be transported in three dimensions by changing the polarization of the trapping field.An explanation of this transportation process in an atomic coordinate is presented.展开更多
We present an experimental and theoretical study of self-rotation of optical polarization in a rubidium vapor.The atomic vapor is placed in a magnetic shielding cavity to suppress the Faraday rotation effect.In our ex...We present an experimental and theoretical study of self-rotation of optical polarization in a rubidium vapor.The atomic vapor is placed in a magnetic shielding cavity to suppress the Faraday rotation effect.In our experiment,Doppler-free spectroscopy configuration is used,and F = 2 → F ＇ = 3 transition of 87Rb D2 line is chosen.We observe self-rotation of optical polarization effect at different pump light ellipticities.A theoretical analysis is then provided based on the experimental conditions.Theoretical simulation and experimental results are in good agreement.展开更多
基金Supported by the Scientific Research Foundation for the Returned Overseas Chinese Scholars of State Education Ministry,the National Natural Science Foundation of China under Grant Nos 11074198 and 10834007the Special Prophase Project on the National Basic Research Program of China(No 2011CB311807)the NSF for Distinguished Young Scholars of China(No 61025023).
文摘We provide a fast iteration method to calculate the ion equilibrium temperature in an ultracold neutral plasma(UNP).The temperature as functions of electron initial temperature and ion density is obtained and compared with the recent UNP experimental data.The theoretical predictions agree with the experimental results very well.The calculated ion equilibrium temperature by this method can be applied to study the UNP expansion process more effectively.
基金Supported by the National Natural Science Foundation of China under Grant Nos 11074198 and 10834007the Special Prophase Project on the National Basic Research Program of China(No 2011CB311807)the National Natural Science Foundation for Distinguished Young Scholars of China(No 61025023).
文摘We provide a theoretical study to calculate the spin-dependent optical lattice with rubidium Bose-Einstein condensation(BEC)in a steady magnetic field.The optical dipole potential variation at different Zeeman levels are obtained.We also show that atoms can be transported in three dimensions by changing the polarization of the trapping field.An explanation of this transportation process in an atomic coordinate is presented.
基金supported by the National Natural Science Foundation of China (Nos. 11074198 and 10834007)the Special Prophase Project on the National Basic Research Program of China (No. 2011CB311807)+1 种基金the NSF for Distinguished Young Scholars of China (No.61025023)the Scientific Special Project of Shaanxi Province (Nos. 2011JM8028 and 11JK0768)
文摘We present an experimental and theoretical study of self-rotation of optical polarization in a rubidium vapor.The atomic vapor is placed in a magnetic shielding cavity to suppress the Faraday rotation effect.In our experiment,Doppler-free spectroscopy configuration is used,and F = 2 → F ＇ = 3 transition of 87Rb D2 line is chosen.We observe self-rotation of optical polarization effect at different pump light ellipticities.A theoretical analysis is then provided based on the experimental conditions.Theoretical simulation and experimental results are in good agreement.
