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- W1993900922 abstract "We present preliminary results on the problem of single-electron quantum transmission through time-periodic oscillating potential barriers. This work is motivated by recent experiments in semiconducting quantum dots with RF modulated tunnel barriers. The potential barriers are modeled by the time-dependent potential P(x,t) = ΣnV(n)(t) δ(x−xn), with V(n)(t) = V0(n) + V1(n)cos(2πvt + on). The cases considered here correspond to n = 1,2. In the n = 2 case we take the phase shift between the barriers to be either θ2 = 0 or π, and x2 = ±a. We calculate the time averaged transmission and reflection coefficients as well as the transmitted currents as a function of the energy of the incoming electron, the frequency v and the ratio e = V1(n)/V0(n). We find that there is a resonant shutter effect in the transmission, for the one-delta problem, in the nonperturbative regime. In the n = 2 case, the satellite resonances due to the inelastic channel contributions are analyzed as a function of e 1 case." @default.
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- W1993900922 date "1993-01-01" @default.
- W1993900922 modified "2023-09-26" @default.
- W1993900922 title "Electronic transmission through time-periodic oscillating barriers" @default.
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- W1993900922 doi "https://doi.org/10.1016/0965-9773(93)90098-v" @default.
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