Padé approximant approach to singular properties of quantum gases: the ideal cases

Yuan-Hong Tian(田远鸿),Wen-Du Li(李文都),Yao Shen(沈尧),Wu-Sheng Dai(戴伍圣)

Figure 3. The convergence region of the virial expansion is the largest open disc centered at zero in the domain of definition of the Fermi-Dirac integral fν(z).