The phaseshift experienced by a neutral particle with a magnetic moment as it encircles an infinite line of charge (Aharonov-Casher effect) is derived as a special case of geometrical phases, i.e. the standard Berry phase and the gauge-invariant Yang phase.
Mignani, R. (1991). AHARONOV-CASHER EFFECT AND GEOMETRICAL PHASES. JOURNAL OF PHYSICS. A, MATHEMATICAL AND GENERAL, 24(8), L421-L423 [10.1088/0305-4470/24/8/006].