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- W2186272275 abstract "Eects of time-dependent applied elds on quantum coupled double-well (DW) systems with Razavy's hyperbolic potential have been studied. By solving the Schrodinger equation for the DW system, we have obtained time-dependent occupation probabilities of the eigenstates, from which expectation values of positions x1 and x2 of particles (hx1 + x2i), the correlation (( t)) and the concurrence (C(t)) expressing a degree of the entanglement of the coupled DW system, are obtained. Analytical expressions forhx1 +x2i, ( t) and C(t) are derived with the use of the rotating-wave approximation (RWA) for sinusoidal elds. Model calculations have indicated that hx1 +x2i, ( t) and C(t) show very complicated time dependences. Results of the RWA are in good agreement with exact ones evaluated by numerical methods for cases of weak couplings and small applied elds in the near-resonant condition. Applications of our method to step elds are also studied." @default.
- W2186272275 created "2016-06-24" @default.
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- W2186272275 date "2015-01-01" @default.
- W2186272275 modified "2023-09-27" @default.
- W2186272275 title "of applied elds on quantum coupled double-well systems" @default.
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- W2186272275 hasPublicationYear "2015" @default.
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