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19922026
Showing 2016 · quant-phShow all

9 papers · 2 filters

quant-ph2016★ 2 cited

Long-time efficacy of the surface code in the presence of a superohmic environment

D. A. López-Delgado, E. Novais, E. R. Mucciolo +1

We study the long-time evolution of a quantum memory coupled to a bosonic environment on which quantum error correction (QEC) is performed using the surface code. The memory's evol…

quant-ph2016★ 17 cited

Staggered quantum walks with superconducting microwave resonators

Jalil Khatibi Moqadam, Marcos Cesar de Oliveira, Renato Portugal

The staggered quantum walk model on a graph is defined by an evolution operator that is the product of local operators related to two or more independent graph tessellations. A gra…

quant-ph2016★ 2 cited

Quantum phase estimation using squeezed quasi-Bell states

Douglas Delgado de Souza, A. Vidiella-Barranco

In this paper we present a study of the quantum phase estimation problem employing continuous-variable, entangled squeezed coherent (quasi-Bell) states as probe states. We show tha…

quant-ph2016★ 52 cited

Measurements of nanoresonator-qubit interactions in a hybrid quantum electromechanical system

F. Rouxinol, Y. Hao, F. Brito +3

Experiments to probe the basic quantum properties of motional degrees of freedom of mechanical systems have developed rapidly over the last decade. One promising approach is to use…

quant-ph2016★ 3 cited

Generation of hybrid entanglement between a mirror and a trapped ion

Clóvis Corrêa, A. Vidiella-Barranco

We present a scheme for cavity-assisted generation of hybrid entanglement between a moving mirror belonging to an optomechanical cavity and a single trapped ion located inside a se…

quant-ph2016★ 29 cited

Staggered Quantum Walks with Hamiltonians

Renato Portugal, Marcos Cesar de Oliveira, Jalil Khatibi Moqadam

Quantum walks are recognizably useful for the development of new quantum algorithms, as well as for the investigation of several physical phenomena in quantum systems. Actual imple…

quant-ph2016★ 8 cited

Evolution of a quantum harmonic oscillator coupled to a minimal thermal environment

A. Vidiella-Barranco

In this paper it is studied the influence of a minimal thermal environment on the dynamics of a quantum harmonic oscillator (labelled A), prepared in a coherent state. The environm…

quant-ph2016★ 148 cited

Quantum Correlations and Coherence in Spin-1 Heisenberg Chains

A. L. Malvezzi, G. Karpat, B. Çakmak +3

We explore quantum and classical correlations along with coherence in the ground states of spin-1 Heisenberg chains, namely the one-dimensional XXZ model and the one-dimensional bi…

quant-ph2016

Slow light in semiconductor quantum dots: effects of non-Markovianity and correlation of dephasing reservoirs

D. Mogilevtsev, E. Reyes-Gomez, S. B. Cavalcanti +1

A theoretical investigation on slow light propagation based on eletromagnetically induced transparency in a three-level quantum-dot system is performed including non-Markovian effe…