Relative-Entropy Accounting for Quantum Batteries: a Retracted Bound, with the Figure that Killed It

Technical letter: a sink-shaped relative-entropy bound applied to its own source fails at the x=0 cell (0.1368 against 0.0338). The bound is retracted, with the refuting figure recorded — the laboratory's own standard applied to its own proposal. / [ES] Carta tecnica: una cota con forma de sumidero aplicada a la propia fuente falla en la celda x=0 (0.1368 frente a 0.0338); se retracta la cota con la cifra que la refuto registrada — el metodo del laboratorio aplicado a su propia propuesta.