2 papers
quant-ph2025
Practical quantum secure direct communication with squeezed states
Iris Paparelle, Faezeh Mousavi, Francesco Scazza +3
Quantum secure direct communication (QSDC) is a rapidly developing quantum communication approach, where secure information is directly transmitted, providing an alternative to key…
quant-ph2025
On the discontinuity of the quantum Fisher information for quantum statistical models with parameter dependent rank
Luigi Seveso, Francesco Albarelli, Marco G. Genoni +1
We address the discontinuities of the quantum Fisher information (QFI) that may arise when the parameter of interest takes values that change the rank of the quantum statistical mo…