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108 papers · 1 filter
Gravitational decoherence of a composite particle: the interplay between gravitons and a classical Newtonian potential
Thiago H. Moreira, Lucas Chibebe Céleri
The fact that gravitational environments cannot be shielded (since gravity is universal) makes them of great theoretical interest to decoherence mechanisms and to the quantum-to-cl…
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…
Geometry of restricted information: the case of quantum thermodynamics
Tiago Pernambuco, Lucas Chibebe Céleri
We formulate a geometric framework in which physical laws emerge from restricted access to microscopic information. Measurement constraints are modeled as a gauge symmetry acting o…
Asymmetry and dynamical criticality
Andesson B. Nascimento, Lucas Chibebe Céleri
Symmetries play a central role in both equilibrium and nonequilibrium phase transitions, yet their quantitative characterization in dynamical quantum phase transitions (DQPTs) rema…
Dynamical Casimir effect under the action of gravitational waves
Gustavo de Oliveira, Thiago Henrique Moreira, Lucas Chibebe Céleri
Several nontrivial phenomena emerge when a quantum field is subjected to dynamical perturbations, with prominent examples including the Hawking and Unruh effects, as well as the dy…
Geometric quantum thermodynamics: A fibre bundle approach
T. Pernambuco, L. C. Céleri
Classical thermodynamics is a theory based on coarse-graining, meaning that the thermodynamic variables arise from discarding information related to the microscopic features of the…