Nonadiabaticity and single-electron transport driven by surface acoustic waves
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Nonadiabaticity and single-electron transport driven by surface acoustic waves. / Flensberg, Karsten; Niu, Q.; Pustilnik, M.
In: Physical Review B. Condensed Matter and Materials Physics, Vol. 60, No. R, R16291, 15.12.1999.Research output: Contribution to journal › Journal article › peer-review
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TY - JOUR
T1 - Nonadiabaticity and single-electron transport driven by surface acoustic waves
AU - Flensberg, Karsten
AU - Niu, Q.
AU - Pustilnik, M.
PY - 1999/12/15
Y1 - 1999/12/15
N2 - Single-electron transport driven by surface acoustic waves (SAW) through a narrow constriction, formed in a two-dimensional electron gas, is studied theoretically. Due to long-range Coulomb interaction, the tunneling coupling between the electron gas and the moving minimum of the SAW-induced potential rapidly decays with time. As a result, nonadiabaticity sets a limit for the accuracy of the quantization of acoustoelectric current.
AB - Single-electron transport driven by surface acoustic waves (SAW) through a narrow constriction, formed in a two-dimensional electron gas, is studied theoretically. Due to long-range Coulomb interaction, the tunneling coupling between the electron gas and the moving minimum of the SAW-induced potential rapidly decays with time. As a result, nonadiabaticity sets a limit for the accuracy of the quantization of acoustoelectric current.
U2 - 10.1103/PhysRevB.60.R16291
DO - 10.1103/PhysRevB.60.R16291
M3 - Journal article
VL - 60
JO - Physical Review B
JF - Physical Review B
SN - 2469-9950
IS - R
M1 - R16291
ER -
ID: 187963