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Valley filter and valley valve in graphene
A. Rycerz, J. Tworzydlo, C. W. J. Beenakker
It is known that the lowest propagating mode in a narrow ballistic ribbon of graphene may lack the twofold valley degeneracy of higher modes. Depending on the crystallographic orie…
Quantum-limited shot noise in graphene
J. Tworzydlo, B. Trauzettel, M. Titov +2
We calculate the mode-dependent transmission probability of massless Dirac fermions through an ideal strip of graphene (length L, width W, no impurities or defects), to obtain the…
How spin-orbit interaction can cause electronic shot noise
A. Ossipov, J. H. Bardarson, C. W. J. Beenakker +2
The shot noise in the electrical current through a ballistic chaotic quantum dot with N-channel point contacts is suppressed for N --> infinity, because of the transition from stoc…