The Fano regime of one-dot Aharonov-Bohm interferometers
Phys. Rev. B 72, 085338 (2005) We use the Landauer-B\"{u}ttiker formalism to study the mesoscopic Fano effect in Aharonov-Bohm rings with an embedded two-dimensional noninteracting dot. The magnetic field dependence of the dot levels leads to a global shift of the Fano lines which becomes impor...
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| Language | English |
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17.01.2005
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| Abstract | Phys. Rev. B 72, 085338 (2005) We use the Landauer-B\"{u}ttiker formalism to study the mesoscopic Fano
effect in Aharonov-Bohm rings with an embedded two-dimensional noninteracting
dot. The magnetic field dependence of the dot levels leads to a global shift of
the Fano lines which becomes important for small ring/dot area ratios. As the
magnetic field is varied the Fano dips move periodically from one side of the
peak to the other, as reported by Kobayashi {\it et al.} [Phys. Rev. Lett. {\bf
88}, 256806 (2002)]. We show that this effect appears due to a specific
magnetic control of the difference between the phase of the single nonresonant
path via the free arm of the ring and the global phase of all trajectories
involving resonant tunnelings through the dot. |
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| AbstractList | Phys. Rev. B 72, 085338 (2005) We use the Landauer-B\"{u}ttiker formalism to study the mesoscopic Fano
effect in Aharonov-Bohm rings with an embedded two-dimensional noninteracting
dot. The magnetic field dependence of the dot levels leads to a global shift of
the Fano lines which becomes important for small ring/dot area ratios. As the
magnetic field is varied the Fano dips move periodically from one side of the
peak to the other, as reported by Kobayashi {\it et al.} [Phys. Rev. Lett. {\bf
88}, 256806 (2002)]. We show that this effect appears due to a specific
magnetic control of the difference between the phase of the single nonresonant
path via the free arm of the ring and the global phase of all trajectories
involving resonant tunnelings through the dot. |
| Author | Moldoveanu, Valeriu Manolescu, Andrei Gudmundsson, Vidar Ţolea, Mugurel |
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| BackLink | https://doi.org/10.48550/arXiv.cond-mat/0501381$$DView paper in arXiv https://doi.org/10.1103/PhysRevB.72.085338$$DView published paper (Access to full text may be restricted) |
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| Snippet | Phys. Rev. B 72, 085338 (2005) We use the Landauer-B\"{u}ttiker formalism to study the mesoscopic Fano
effect in Aharonov-Bohm rings with an embedded... |
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| Title | The Fano regime of one-dot Aharonov-Bohm interferometers |
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