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Entanglement-assisted Hamiltonian dynamics learning
Ayaka Usui, Guillermo Abad-López, Hari krishnan SV +2
Approximating the dynamics given by a complex many-body Hamiltonian with a simpler effective model lies at the interface of quantum Hamiltonian learning and quantum simulation. In…
Emergent Bell Phase in an Electro-Nanomechanical Quantum Simulator
David Ullrich, Marta Cagetti, Stefan Forstner +2
Suspended carbon nanotubes hosting electrostatically defined quantum dots allow for exceptionally strong and tunable electromechanical coupling as well as mechanical modes that can…
Simplifying the simulation of local Hamiltonian dynamics
Ayaka Usui, Anna Sanpera, María García Díaz
Local Hamiltonians, , describe non-trivial -body interactions in quantum many-body systems. Here, we address the dynamical simulatability of a -local Hamiltonian by a si…
Quantum privacy amplification and the security of quantum cryptography over noisy channels
D. Deutsch, A. Ekert, R. Jozsa +3
Existing quantum cryptographic schemes are not, as they stand, operable in the presence of noise on the quantum communication channel. Although they become operable if they are sup…