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- W1993971392 abstract "Using renormalization group techniques, we study spectral and transport properties of a spinless interacting quantum dot consisting of two levels coupled to metallic reservoirs. For strong Coulomb repulsion $U$ and an applied Aharonov-Bohm phase $phi$, we find a large direct tunnel splitting $|Delta|sim (Gamma/pi)|cos(phi/2)|ln(U/omega_c)$ between the levels of the order of the level broadening $Gamma$. As a consequence we discover a many-body resonance in the spectral density that can be measured via the absorption power. Furthermore, for $phi=pi$, we show that the system can be tuned into an effective Anderson model with spin-dependent tunneling." @default.
- W1993971392 created "2016-06-24" @default.
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- W1993971392 date "2001-09-10" @default.
- W1993971392 modified "2023-09-26" @default.
- W1993971392 title "Interference and interaction effects in multilevel quantum dots" @default.
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- W1993971392 doi "https://doi.org/10.1103/physrevb.64.125309" @default.
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