3 papers
quant-ph2026
Optimal four-copy detection of the three-tangle and its fault-tolerant cost
Federico Tomás B. Pérez, Berta Casas, I-Chi Chen +3
The three-tangle, , is a measure of genuine tripartite entanglement that distinguishes GHZ-type from W-type entanglement in pure three-qubit states. Here, we identify the stat…
quant-ph2026
Generalized -body mean-field projections for classical simulation of -dimensional Heisenberg-picture dynamics
Federico Tomás B. Pérez, Gabriela Wójtowicz, Matthias Kost +1
Classical simulation of quantum many-body dynamics is challenged by the rapid growth of operator complexity, particularly in higher dimensions where tensor-network methods become i…
quant-ph2026
State-adapted generalized mean-field projections for Pauli propagation of Heisenberg dynamics
Federico Tomás B. Pérez, Gabriela Wójtowicz, Martin B. Plenio
The Heisenberg picture can make quantum many-body simulation efficient when evolved observables admit compact operator representation within low-dimensional structures. Conventiona…