Computational procedure to determine quantum state evolution in Fock space

Portes, D.; Rodrigues, H.; Baseia, B.; Duarte, S. B.

doi:10.1016/j.cpc.2008.09.012

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2013

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“…In the second case the process is due to an appropriate type of interaction between the subsystems. This second scenario may also include the study of exchange of states between the subsystems [4,5,6,7]. In both scenarios the efficiency of the process deserves special attention, whose verification involves the calculation of the fidelity and the success probability of the operation.…”

Section: Introductionmentioning

confidence: 99%

Perfect transfer of quantum states in a network of harmonic oscillators

Portes¹,

Rodrigues²,

Duarte

et al. 2013

Eur. Phys. J. D

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Abstract. This work presents an exactly soluble scheme to address the problem of optimal transfer of quantum states through a set of s harmonic oscillators composing a network with connected ends as a closed quantum circuit. For this purpose we start from a general quadratic Hamiltonian form. The relationship between the parameters of the Hamiltonian, the network size, and the time interval required for such transfer are explicitly shown. Particular physical realizations of this Hamiltonian, transfer of entangled states, including transfer of states at the expense of a quantum entanglement, are also considered.

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Section: Introductionmentioning

confidence: 99%