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- W2063946521 abstract "We study electronic transport through a quantum point contact, where the interaction between the electrons is approximated by a contact potential. Our numerical approach is based on the nonequilibrium Green-function technique which is evaluated at the Hartree-Fock level. We show that this approach allows us to reproduce relevant features of the so-called ``0.7 anomaly'' observed in the conductance at low temperatures, including the characteristic features in recent shot-noise measurements. This is consistent with a spin-splitting interpretation of the process, and indicates that the 0.7 anomaly should also be observable in transport experiments with ultracold fermionic atoms." @default.
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- W2063946521 date "2007-01-30" @default.
- W2063946521 modified "2023-10-16" @default.
- W2063946521 title "Effects of short-range interactions on transport through quantum point contacts: A numerical approach" @default.
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- W2063946521 doi "https://doi.org/10.1103/physrevb.75.045346" @default.
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