5 papers · 1 filter
Operator delocalization in disordered spin chains via exact MPO marginals
Jonnathan Pineda, Mario Collura, Gianluca Passarelli +3
We investigate operator delocalization in disordered one-dimensional spin chains by introducing -- besides the already known operator mass -- a complementary measure of operator co…
Range-controlled entanglement in Lindbladian skin states of monitored fermions
Gianluca Passarelli, Angelo Russomanno, Davide Rossini +1
Reservoir engineering can stabilize states inaccessible to unitary dynamics. Directed particle-conserving dissipation creates Lindbladian skin states, where Pauli exclusion turns e…
Entanglement behavior and localization properties in monitored fermion systems
Giulia Piccitto, Giuliano Chiriacò, Davide Rossini +1
We study the asymptotic bipartite entanglement in various integrable and nonintegrable models of monitored fermions. We find that, for the integrable cases, the entanglement versus…
Nonstabilizerness in the unitary and monitored quantum dynamics of XXZ-staggered and SYK models
Angelo Russomanno, Gianluca Passarelli, Davide Rossini +1
We consider the quantum-state-diffusion dynamics of the XXZ-staggered spin chain, also focusing on its noninteracting XX-staggered limit, and of the Sachdev-Ye-Kitaev (SYK) model.…
Chaos and magic in the dissipative quantum kicked top
Gianluca Passarelli, Procolo Lucignano, Davide Rossini +1
We consider an infinite-range interacting quantum spin-1/2 model, undergoing periodic kicking and dissipatively coupled with an environment. In the thermodynamic limit, it is descr…