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Showing 2012 · quant-phShow all
3 papers · 2 filters
quant-ph2012★ 10 cited
Geometry of mixed states for a q-bit and the quantum Fisher information tensor
E. Ercolessi, M. Schiavina
After a review of the pure state case, we discuss from a geometrical point of view the meaning of the quantum Fisher metric in the case of mixed states for a two-level system, i.e.…
quant-ph2012★ 48 cited
Effect of Markov and Non-Markov Classical Noise on Entanglement Dynamics
Paolo Bordone, Fabrizio Buscemi, Claudia Benedetti
We analyze the effect of a classical noise into the entanglement dynamics between two particles, initially entangled, subject to continuous time quantum walks in a one-dimensional…
quant-ph2012★ 29 cited
Quantum correlations in continuos-time quantum walks of two indistinguishable particles
Claudia Benedetti, Fabrizio Buscemi, Paolo Bordone
We evaluate the degree of quantum correlation between two fermions (bosons) subject to continuous time quantum walks in a one-dimensional ring lattice with periodic boundary condit…