物理学报2011，Vol.60Issue(8)：48-52,5.
强磁场中弱相互作用费米气体的热力学性质
Thermodynamic properties of a weakly interacting Fermi gas in a strong magnetic field
摘要
Abstract
Based on the ＂pseudopotential＂ method and the local-density approximation,the thermodynamic properties of a weakly interacting Fermi gas in a strong magnetic filed are studied,the integrated analytical expressions of thermodynamic quantities of the system are derived,and the effects of magnetic field as well as interparticle interactions on the thermodynamic properties of the system are analyzed.It is shown that at both high and low temperatures,magnetic field may adjust the effects of interacting.At low temperatures,magnetic field can lower the chemical potential,total energy and heat capacity of the system compared with the situation of Fermi gas in the absence of the magnetic field.The repulsive interactions may increase the chemical potential,but reduce the total energy and heat capacity of the system compared with the situation of non-interacting Fermi gas.At high temperatures,magnetic field as well as repulsive interactions can reduce the total energy and increase heat capacity of the system,moreover,strong magnetic field may change the effects of interaction on the total energy and the heat capacity of the system.关键词
强磁场/弱相互作用/费米气体/热力学性质Key words
strong magnetic field/weakly interacting/Fermi gas/thermodynamic property分类
数理科学引用本文复制引用
门福殿,王炳福,何晓刚,隗群梅..强磁场中弱相互作用费米气体的热力学性质[J].物理学报,2011,60(8):48-52,5.基金项目
山东省自然科学基金（批准号：ZR2010AL027）资助的课题 （）
