In physics|lang=en terms the difference between flexon and fluxon
is that flexon is (physics) a flexural phonon while fluxon is (physics) the quasiparticle of electric or magnetic flux.
As nouns the difference between flexon and fluxon
is that flexon is (physics) a flexural phonon while fluxon is (physics) the quasiparticle of electric or magnetic flux.