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8 papers · 2 filters
Spin chains for two-qubit teleportation
Tony J. G. Apollaro, Guilherme M. A. Almeida, Salvatore Lorenzo +2
Generating high-quality multi-particle entanglement between communicating parties is the primary resource in quantum teleportation protocols. To this aim, we show that the natural…
Enhanced continuous generation of non-Gaussianity through optomechanical modulation
Sofia Qvarfort, Alessio Serafini, André Xuereb +2
We study the non-Gaussian character of quantum optomechanical systems evolving under the fully nonlinear optomechanical Hamiltonian. By using a measure of non-Gaussianity based on…
Optimal estimation of matter-field coupling strength in the dipole approximation
József Zsolt Bernád, Claudio Sanavio, André Xuereb
This paper is devoted to the study of the Bayesian-inference approach in the context of estimating the dipole coupling strength in matter-field interactions. In particular, we cons…
Coexistence of different scaling laws for the entanglement entropy in a periodically driven system
Tony J. G. Apollaro, Salvatore Lorenzo
The out-of-equilibrium dynamics of many body systems has recently received a burst of interest, also due to experimental implementations. The dynamics of both observables, such as…
Positivity violations of the density operator in the Caldeira-Leggett master equation
G. Homa, J. Z. Bernád, L. Lisztes
The Caldeira-Leggett master equation as an example of Markovian master equation without Lindblad form is investigated for mathematical consistency. We explore situations both analy…
Thermodynamic consistency of the optomechanical master equation
Muhammad T. Naseem, André Xuereb, Özgür E. Müstecaplıoğlu
We investigate the thermodynamic consistency of the master equation description of heat transport through an optomechanical system attached to two heat baths, one optical and one m…