摘要
提出一种新的计算φ4-链经典配分函数的近似方法和φ4-链非线性问题的量子修正,并推导出自由能的下界.
This paper presents a new approximation for the calculation of the
classical partition function and the qantum corrections of the nonlinear question of the φ 4_chain,
together with the derivation of the lower bound of the free energy.
出处
《华南理工大学学报(自然科学版)》
EI
CAS
CSCD
北大核心
1999年第7期128-134,共7页
Journal of South China University of Technology(Natural Science Edition)
关键词
经典近似
配分函数
自由能
量子统计
ψ^4链
classical
approximation
partition function
free energy
φ 4_nonlinear chain
quantum corrections