From what I recall of the article I read long ago the decreased pressure of space (add to that the quantum foam field) would overcome the binding energy of the atomYou mean proton decay?
Never been seen, but seems logical considering its made up of quarks.
Brain fart idea
Would virtual particles popping in and out of existence be the disintegrate atoms from another Universe?
Just passing through ours and showing up when happen to bump into one of our atoms