27 citations · 75 across the 13 of their papers we have counts for
13 papers
Quality assessment of quantum teleportation through the distribution of fidelity
D. G. Bussandri, G. M. Bosyk, P. Crespo Del Amo +1
In this work, we introduce a comprehensive statistical framework for assessing single-qubit quantum teleportation performance beyond the conventional average-fidelity benchmark. At…
From top quarks to enhanced quantum key distribution: A Framework for Optimal Predictability of Quantum Observables
Dennis I. Martínez-Moreno, Miguel Castillo-Celeita, Diego G. Bussandri
Predicting the outcomes of quantum measurements is a cornerstone of quantum information theory and a key resource for quantum technologies. Here, we introduce a comprehensive frame…
Challenges in certifying quantum teleportation: moving beyond conventional fidelity benchmark
D. G. Bussandri, G. M. Bosyk, F. Toscano
The conventional certification method for quantum teleportation protocols relies on surpassing the highest achievable classical average fidelity between target and teleported state…
Optimal quantum teleportation protocols for fixed average fidelity
Fabricio Toscano, Diego G. Bussandri, Gustavo M. Bosyk +2
We demonstrate that among all quantum teleportation protocols giving rise to the same average fidelity, those with aligned Bloch vectors between input and output states exhibit the…
Rényi-Holevo inequality from --Rényi relative entropies
Diego G. Bussandri, Grzegorz Rajchel-Mieldzioć, Pedro W. Lamberti +1
We investigate bounds in the transmission of classical information through quantum systems. Our focus lies in the generalized Holevo theorem, which provides a single-letter Holevo-…
Transmission distance in the space of quantum channels
Diego G. Bussandri, Pedro W. Lamberti, Karol Życzkowski
We analyze two ways to obtain distinguishability measures between quantum maps by employing the square root of the quantum Jensen-Shannon divergence, which forms a true distance in…
Revisiting maximal average fidelity of teleportation
D. G. Bussandri, M. Portesi, A. P. Majtey
We obtain the maximal average fidelity corresponding to the standard quantum teleportation protocol for an arbitrary isotropic distribution of input states and an arbitrary resourc…
Sudden death of entanglement in fermionic systems under collective decoherence
D. G. Bussandri, A. P. Majtey, A. Valdés-Hernández
We analyze the dynamics of entanglement due to decoherence in a system of two identical fermions with spin interacting with a global bosonic environment. We resort to an appr…
Generalized Holevo theorem and distinguishability notions
Diego G. Bussandri, Pedro W. Lamberti
We present a generalization of the Holevo theorem by means of distances used in the definition of distinguishability of states, showing that each one leads to an alternative Holevo…
Behavior of quantum correlations under nondissipative decoherence by means of the correlation matrix
D. G. Bussandri, T. M. Osán, A. P. Majtey +1
In this paper we use the Fano representation of two-qubit states from which we can identify a correlation matrix containing the information about the classical and quantum correlat…
Non-commutative measure of quantum correlations under local operations
D. G. Bussandri, A. P. Majtey, A. Valdés-Hernández
We study some desirable properties of recently introduced measures of quantum correlations based on the amount of non-commutativity quantified by the Hilbert-Schmidt norm (Sci Rep…
Generalized approach to quantify correlations in bipartite quantum systems
D. G. Bussandri, A. P. Majtey, P. W. Lamberti +1
In this work we developed a general approach to the problem of detecting and quantifying different kind of correlations in bipartite quantum systems. Our method is based on the use…
Monoparametric family of metrics derived from classical Jensen-Shannon divergence
Tristán M. Osán, Diego G. Bussandri, Pedro W. Lamberti
Jensen-Shannon divergence is a well known multi-purpose measure of dissimilarity between probability distributions. It has been proven that the square root of this quantity is a tr…