Chiarelli, P. and Chiarelli, S. 2021. Stability of Quantum Eigenstates and Collapse of Superposition of States in a Fluctuating Vacuum: The Madelung Hydrodynamic Approach. European Journal of Applied Physics. 3, 5 (Sep. 2021), 11–28. DOI:https://doi.org/10.24018/ejphysics.2021.3.5.97.