Second virial coefficients for a Fermi gas trapped in an anisotropic harmonic potential Tingting Shi, Qing Ji, Zhiyue Zheng and Wei Zhang Eur. Phys. J. D, 77 7 (2023) 133 Published online: 11 July 2023 DOI: 10.1140/epjd/s10053-023-00710-9