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Pretty Good State Transfer in Qubit Chains - The Heisenberg Hamiltonian
Leonardo Banchi, Gabriel Coutinho, Chris Godsil +1
Pretty good state transfer in networks of qubits occurs when a continuous-time quantum walk allows the transmission of a qubit state from one node of the network to another, with f…
NOON States via Quantum Walk of Bound Particles
Enrico Compagno, Leonardo Banchi, Christian Gross +1
Tight-binding lattice models allow the creation of bound composite objects which, in the strong-interacting regime, are protected against dissociation. We show that a local impurit…
Photonic Simulation of Entanglement Growth After a Spin Chain Quench
Ioannis Pitsios, Leonardo Banchi, Adil S. Rab +8
The time evolution of quantum many-body systems is one of the least understood frontiers of physics. The most curious feature of such dynamics is, generically, the growth of quantu…
General Benchmarks for Quantum Repeaters
Stefano Pirandola, Riccardo Laurenza
Using a technique based on quantum teleportation, we simplify the most general adaptive protocols for key distribution, entanglement distillation and quantum communication over a w…