53 citations · 134 across the 14 of their papers we have counts for
9 papers · 1 filter
Finite-Time Thermodynamic Routing in an Anharmonic Collective Quantum Otto Engine
Gabriella G. Damas, G. D. de Moraes Neto
The Gibbs state determined by a thermal reservoir does not determine how a working medium approaches it or how fluctuations accumulate over repeated cycles. We exploit this kinetic…
Probing quasiperiodic spectral accessibility with a finite-rate quantum Otto cycle
Shujie Cheng, Lucas C. Céleri, Norton G. de Almeida +2
Quasiperiodic systems combine sharply different spectral and localisation regimes with a dense hierarchy of dynamical time scales. We show that a finite-rate quantum Otto cycle can…
Engineering Quantum Interactions: From Effective Models to Validated Physical Predictions
Sinara S. Dourado, Ciro Micheletti Diniz, Gabriel P. L. M. Fernandes +3
Effective models make complex quantum dynamics tractable by retaining only the states, processes, and timescales relevant to a given physical question. Their predictive power, howe…
Preparation-controlled relaxation in an overdamped RLC circuit: A pedagogical route to the spectral Mpemba effect
Matheus H. dos Santos, Cler T. Garcez, Jeveson C. da Silva +2
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 spectra…
Occupation-selective photon-pair interactions in a flux-pumped SQUID resonator
L. N. Ferreira, D. Z. Rossatto, A. S. M. de Castro +1
Flux-pumped Josephson circuits provide a versatile platform for parametric photon generation and multimode bosonic control. We identify an occupation-conditioned pair interaction t…
Collective thermalization, work reliability, and resource bounds in a population-inverted Dicke Otto engine
Cler T. Garcez, Gabriella G. Damas, Norton G. de Almeida +1
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 work…
Finite-size reliability of homothetic quantum Otto engines
Gabriella G. Damas, Clebson Cruz, Norton G. de Almeida +2
Homothetic quantum Otto engines---where all populated energy gaps are rescaled by a common factor---provide a reference model in which the quasistatic stochastic efficiency is traj…
Shortcut-error signatures in coherence-retaining endpoint work quasistatistics
Gabriella G. Damas, G. D. de Moraes Neto
Quantum work statistics differ from classical ones because initial energy coherence matters. The standard two-point measurement (TPM) gives a positive distribution but erases phase…
Visibility-Engineered Multiparameter Sensing in Dispersive Quantum Interferometry: Identifiability, Noise Robustness, and Hardware Emulation
Lucas Ferreira R. de Moura, Daniel Y. Akamatsu, G. D. de Moraes Neto +1
We propose a dispersive interferometric protocol for simultaneously estimating the dimensionless inverse temperature of a thermal two-level ancilla and the dispersive…