3 papers
quant-ph2025
Multiqubit monogamy relations beyond shadow inequalities
Eduardo Serrano-Ensástiga, Olivier Giraud, John Martin
Multipartite quantum systems are subject to monogamy relations that impose fundamental constraints on the distribution of quantum correlations between subsystems. These constraints…
quant-ph2025
Dynamical decoupling of interacting spins through group factorization
Colin Read, Eduardo Serrano-Ensástiga, John Martin
Dynamical decoupling (DD) is a well-known open-loop protocol for suppressing unwanted interactions in a quantum system, thereby drastically extending the coherence time of useful q…
quant-ph2024
Nonequivalence between absolute separability and positive partial transposition in the symmetric subspace
Jonathan Louvet, Eduardo Serrano-Ensástiga, Thierry Bastin +1
The equivalence between absolutely separable states and absolutely positive partial transposed (PPT) states in general remains an open problem in quantum entanglement theory. In th…