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Late-Time Power Laws in Fluorescence Decays: Quantum Decay or Alternative Mechanisms?
Francesco Giacosa, Anna Kolbus, Krzysztof Kyziol +4
In quantum mechanics, the properties of an unstable system are closely related to its corresponding energy distribution. One of the predictions of the theory is the emergence of a…
Two-exponential decay of Acridine Orange
Francesco Giacosa, Anna Kolbus, Krzysztof Kyziol +4
In this work, we experimentally study the fluorescence decay of Acridine Orange at late times, in order to test whether a late-time power-law behaviour emerges, a feature expected…
Quantum Late-Time Decay and Channel Dependence
Francesco Giacosa, Anna Kolbus, Krzysztof Kyziol +4
Quantum mechanics predicts deviations from exponential decay at short and long times, yet experimental evidence is limited. We report a power-law tail after 10 lifetimes in t…
Nonexponential decay law of the 2P-1S transition of the H-atom
Francesco Giacosa, Krzysztof Kyzioł
We evaluate numerically the survival probability for the unstable 2P excited state of the hydrogen atom, which decays into the ground-state 1S emitting one photon ($τ\sim 1.…