物理学报2011,Vol.60Issue(10):50-53,4.
强磁场中超冷费米气体的相对论效应
Relativistic effect of ultracold Fermi gas in a strong magnetic field
摘要
Abstract
Based on the single particle energy spectrum of weak relativity and Poisson's formula,the thermodynamic potential function of Fermi gas in a strong magnetic field is derived.Furthermore,by using the thermodynamic relationships,the analytical expressions of statistic characteristic quantities of the system at low temperatures are obtained,and the influence mechanism of relativistic effect on the statistic properties of the system is analysed.It is shown that the relativistic effect becomes more significant with the magnetic field increasing.Compared with the corresponding oscillating amplitude,the monotonic term,which is caused by the relativistic effect,is much larger than the amplitude for the total energy,however,for the chemical potential and magnetic moment,they are almost of the same order.关键词
强磁场/费米气体/相对论效应Key words
strong magnetic field/Fermi gas/relativistic effect分类
数理科学引用本文复制引用
门福殿,何晓刚,周勇,宋新祥..强磁场中超冷费米气体的相对论效应[J].物理学报,2011,60(10):50-53,4.基金项目
山东省自然科学基金(批准号:ZR2010AL027)资助的课题 ()