教学研究

系综平均意义下的Hellmann-Feynman 定理

  • 陈丽华 ,
  • 范洪义
展开
  • 1.武夷学院机电工程学院,福建武夷山354300; 2.中国科学技术大学材料科学与工程系,安徽合肥230026
陈丽华(1972—),女,福建浦城人,武夷学院机电工程学院讲师,硕士,主要研究方向量子光学及量子信息

收稿日期: 2018-03-31

  修回日期: 2018-05-24

  网络出版日期: 2018-11-20

Hellmann-Feynman theorem based on ensemble average

  • CHEN Li-hua1 ,
  • FAN Hong-yi 2
Expand
  • 1. College of Mechanic and Electronic Engineering,Wuyi University,Wuyishan,Fujian 354300,China; 2. Department of Material Science and Engineering,University of Science and Technology of China,Hefei,Anhui 230026,China

Received date: 2018-03-31

  Revised date: 2018-05-24

  Online published: 2018-11-20

摘要

本文将仅适用于纯态平均的Hellmann-Feynman 定理推广到系综平均意义下的情况,并给出了其应用实例.

本文引用格式

陈丽华 , 范洪义 . 系综平均意义下的Hellmann-Feynman 定理[J]. 大学物理, 2018 , 37(11) : 4 -5 . DOI: 10.16854 /j.cnki.1000-0712.180209

Abstract

The paper discusses how to extend the Hellmann-Feynman (H-F) theorem,which is just suitable for the pure state average,to the case of mixed state as ensemble average. Some applications of the generalized H-F theorem are presented.
文章导航

/