Original ResearchPublished 30 September 2026Nuclear quantum effects and proton transport in equimolar water–phosphoric acid mixturesN. V. Plechkova · F. Fernandez-Alonso · F. D’Anna · F. Billeci · F. M. Ferrero Vallana · K. R. Seddon · M. KrzystyniakFrontiers in Physicsdoi 10.3389/fphy.2026.1908603