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Author

N. D. de Almeida

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2 papers indexed here

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Preprint Sep 2026

Preparation-controlled relaxation in an overdamped RLC circuit: A pedagogical route to the spectral Mpemba effect

Can a system with more stored energy cool faster than one with less? An overdamped resistor--inductor--capacitor (RLC) circuit offers a classical, experimentally accessible spectral Mpemba analogue: both states lose energy monotonically, yet the initially higher-energy state can cross below the lower-energy one. The re...

M. H. Dos Santos, Cler T. Garcez, J. C. da Silva et al. · 1 citation
Preprint Sep 2026

Collective thermalization, work reliability, and resource bounds in a population-inverted Dicke Otto engine

Population inversion and collective relaxation can both enhance the performance of a quantum heat engine, but through distinct mechanisms. We study a quantum Otto engine whose working medium is a symmetric collective spin of $N$ two-level constituents. For commuting work strokes and collective reservoir coupling, the d...

Cler T. Garcez, Gabriella G. Damas, N. D. de Almeida et al. · 1 citation

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