169 citations · 353 across the 7 of their papers we have counts for
7 papers
Optimal quantum estimation of the coupling constant of Jaynes-Cummings interaction
Marco G. Genoni, Carmen Invernizzi
We address the estimation of the coupling constant of the Jaynes-Cummings Hamiltonian for a coupled qubit-oscillator system. We evaluate the quantum Fisher Information (QFI) for th…
Optimal detection of losses by thermal probes
Carmen Invernizzi, Matteo G. A. Paris, Stefano Pirandola
We consider the discrimination of lossy bosonic channels and focus to the case when one of the values for the loss parameter is zero, i.e., we address the detection of a possible l…
The discrimination problem for two ground states or two thermal states of the quantum Ising model
Carmen Invernizzi, Matteo G A Paris
We address the one-dimensional quantum Ising model as an example of system exhibiting criticality and study in some details the discrimination problem for pairs of states correspon…
Enhancement of parameter estimation by Kerr interaction
Marco G. Genoni, Carmen Invernizzi, Matteo G. A. Paris
We address quantum estimation of displacement and squeezing parameters by the class of probes made of Gaussian states undergoing Kerr interaction. If we fix the overall energy avai…
Entanglement of two blocks of spins in the critical Ising model
P. Facchi, G. Florio, C. Invernizzi +1
We compute the entropy of entanglement of two blocks of L spins at a distance d in the ground state of an Ising chain in an external transverse magnetic field. We numerically study…
Optimal quantum estimation in spin systems at criticality
Carmen Invernizzi, Michael Korbman, Lorenzo Campos Venuti +1
It is a general fact that the coupling constant of an interacting many-body Hamiltonian do not correspond to any observable and one has to infer its value by an indirect measuremen…