Wavefront dislocations in the local electron density around a vacancy in graphene carry the chiral winding number, measurable from STM images through a Fourier filtering protocol.
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Topological Winding Numbers from Wavefront Dislocations in Local Electronic Density
Wavefront dislocations in the local electron density around a vacancy in graphene carry the chiral winding number, measurable from STM images through a Fourier filtering protocol.