2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/151849The effective action for the Josephson junction arrays should contain the topological term, which violates the particle-hole symmetry. This term is responsible for the nonzero Magnus force acting on the vortex. The Magnus force is however small because the parameter of the particle-hole asymmetry in superconductors is small.Comment to the paper by E.B. Sonin in Phys. Rev. B 55, 485 (1997) [cond-mat/9606099], revtex file, 3 pages, no figuresSuperconductivitytext