Scanned Josephson tunnelling microscopy is used to image Cooper pair tunnelling from a superconducting microscope tip to the quantum condensate of Bi2Sr2CaCu2O8+x, thus revealing the spatially modulated density of Cooper pairs predicted from several theories of the cuprate pseudogap phase.
- M. H. Hamidian
- S. D. Edkins
- J. C. Séamus Davis