2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/159333In this brief comment we attempt to clarify the apparent discrepancy between the papers [1] and [2] on the quantum brachistochrone, namely whether it is possible to use a judicious mixture of Hermitian and non-Hermitian quantum mechanics to evade the standard lower limit on the time taken for evolution by a Hermitian Hamiltonian with given energy dispersion between two given states.Quantum PhysicsComment on the Quantum Brachistochrone Problemtext