Author

G. D. de Moraes

2 papers indexed here

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Preprint Sep 2026

Occupation-selective photon-pair interactions in a flux-pumped SQUID resonator

Flux-pumped Josephson circuits provide a versatile platform for parametric photon generation and multimode bosonic control. We identify an occupation-conditioned pair interaction that arises when two harmonic normal modes participate in the same driven SQUID coordinate. We consider a degenerate pair process in which tw...

L. N. Ferreira, D. Z. Rossatto, A. D. de Castro et al. · 0 citations

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. · 0 citations