Evidence for spontaneous interlayer phase coherence in a bilayer quantum Hall exciton condensate

Abstract

Recent experimental work on the quantized Hall state at total filling factor nT 1⁄4 1 in bilayer 2D electron systems has revealed a number of striking phenomena, including a giant and sharply resonant enhancement of the interlayer tunneling conductance at zero bias. The tunneling enhancement is a compelling indicator of spontaneous interlayer phase… (More)

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