A theory is developed for magnetically confined Fermi gas at a low temperature based on the density functional theory.The theory is illustrated by the numerical calculation of the density distributions of Fermi atoms ...A theory is developed for magnetically confined Fermi gas at a low temperature based on the density functional theory.The theory is illustrated by the numerical calculation of the density distributions of Fermi atoms 40K with parameters according to DeMarco and Jin's experiment[Science,285(1999)1703].Our results are in close agreement with the experiment.To check the theory,we also performed calculations using our theory at a high temperature,which compared very well to the results of the classical limit.展开更多
We discuss,in terms of a simple model,the spin wave excitations,spontaneous magnetization and response to alternating fields of magnetic superlattices.
基金Supported by the National Natural Science Foundation of China for the Distinguished Young Scholars under Grant No.19825113Shanghai Science and Technology Committee。
文摘A theory is developed for magnetically confined Fermi gas at a low temperature based on the density functional theory.The theory is illustrated by the numerical calculation of the density distributions of Fermi atoms 40K with parameters according to DeMarco and Jin's experiment[Science,285(1999)1703].Our results are in close agreement with the experiment.To check the theory,we also performed calculations using our theory at a high temperature,which compared very well to the results of the classical limit.
基金the financial support from the Science Foundation,Academia Sinica.
文摘We discuss,in terms of a simple model,the spin wave excitations,spontaneous magnetization and response to alternating fields of magnetic superlattices.
