用张量积变分法计算三维q= 3，4和5 Potts模型的潜热
Latent Heat Calculation of the 3D q=3, 4, and 5 Potts models by Tensor Product Variational Approach
摘要：
用张量积变分方法研究了三维$q$态Potts模型（$q$ = 3，4，5）.变分状态由局部因子的二维乘积给出，并通过角转移矩阵重整化群（CTMRG）辅助的自洽计算得到改进.应当指出的是，没有对局部因子施加先验条件。转变温度和潜热计算从有序和无序相的热力学函数的观察。
英文摘要：
Three-dimensional (3D) $q$-state Potts models ($q$=3, 4, and 5) are studied by the tensor product variational approach (TPVA), which is a recently developed variational method for 3D classical lattice models. The variational state is given by a two-dimensional (2D) product of local factors, and is improved by way of self-consistent calculations assisted by the corner transfer matrix renormalization group (CTMRG). It should be noted that no a priori condition is imposed for the local factor. Transition temperatures and latent heats are calculated from the observations of thermodynamic functions in both ordered and disordered phases.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
