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We show that the strong coupling of pseudospin orientation and charge carriermotion in bilayer graphene has a drastic effect on transport properties ofballistic p-n-p junctions. Electronic states with zero momentum parallel to thebarrier are confined under it for one pseudospin orientation, whereas stateswith the opposite pseudospin tunnel through the junction totally uninfluencedby the presence of confined states. We demonstrate that the junction acts as acloak for confined states, making them nearly invisible to electrons in theouter regions over a range of incidence angles. This behavior is manifested inthe two-terminal conductance as transmission resonances with non-Lorentzian,singular peak shapes. The response of these phenomena to a weak magnetic fieldor electric-field-induced interlayer gap can serve as an experimentalfingerprint of electronic cloaking.

Chirality-Assisted Electronic Cloaking in Bilayer Graphene Nanostructures