One of the greatest challenges in the fields of quantum information processing and quantum
technologies is the detailed coherent control over each and every constituent of quantum …

We find an algebraic formula for the N-partite concurrence of N qubits in an X matrix. X
matrices are density matrices whose only nonzero elements are diagonal or antidiagonal …

Quantum networks involving multiqubit entanglement allow exciting applications in quantum
communication, quantum sensing, and distributed quantum computation. The efficiency of …

In order to witness multipartite correlations beyond pairwise entanglement, spin-squeezing
parameters are analytically calculated for a spin ensemble in a collective initial state under …

We study the stability of superpositions of macroscopically distinct quantum states under
decoherence. We introduce a class of quantum states with entanglement features similar to …

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 model …

High-fidelity entanglement plays an important role in quantum networks for guaranteeing the
integrity of quantum information processing. We present an error identification entanglement …

We consider graph states of an arbitrary number of particles undergoing generic
decoherence. We present methods to obtain lower and upper bounds for the system's …

We study the dynamics of the entanglement structure of a multipartite system experiencing a
dissipative evolution. We characterize the processes leading to a particular form of output …

The robustness of multipartite entanglement of systems undergoing decoherence is of
central importance to the area of quantum information. Its characterization depends …