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7 papers · 2 filters
Dissipative dynamics of few-photons superposition states: A dynamical invariant
Hong-Yan Wen, Jing Cheng, Y. Yang +1
By numerically calculating the time-evolved Wigner functions, we investigate the dynamics of a few-photon superposed (e.g., up to two ones) state in a dissipating cavity. It is sho…
Quantum gates implementations in the separated ion-traps by fast laser pulses
Miao Zhang, L. F. Wei
An approach is proposed to implement the universal quantum gates between the ions confined individually in the separated traps. Instead of the typical adiabatic operations, perform…
Probing molecular chirality by coherent optical absorption spectra
W. Z. Jia, L. F. Wei
We propose an approach to sensitively probe the chirality of molecules by measuring their coherent optical absorption spectra. It is shown that quantum dynamics of the cyclic three…
Testing tripartite Mermin inequalities by spectral joint-measurements of qubits
J. S. Huang, C. H. Oh, L. F. Wei
It is well known that Bell inequality supporting the local realism can be violated in quantum mechanics. Numerous tests of such a violation have been demonstrated with bipartite en…
Coherently manipulating cold ions in separated traps by their vibrational couplings
Miao Zhang, L. F. Wei
Recent experiments [K. R. Brown, et al., Nature 471, 196 (2011); and M. Harlander, et al., Nature 471, 200 (2011)] have demonstrated the coherent manipulations on the external vibr…
Quantum computation with moving quantum dots generated by surface acoustic waves
X. Shi, M. Zhang, L. F. Wei
Motivated by the recent experimental observations [M. Kataoka et al., Phys. Rev. Lett. {\bf102}, 156801 (2009)], we propose here an theoretical approach to implement quantum comput…