dc.contributor.author | Shytov, A.V. | |
dc.contributor.author | Rudner, M.S. | |
dc.contributor.author | Levitov, L.S. | |
dc.date.accessioned | 2013-10-04T15:58:15Z | |
dc.date.issued | 2008-10-10 | |
dc.description.abstract | We present a theory of quantum-coherent transport through a lateral p-n-p structure in graphene, which fully accounts for the interference of forward and backward scattering on the p-n interfaces. The backreflection amplitude changes sign at zero incidence angle because of the Klein phenomenon, adding a phase pi to the interference fringes. The contributions of the two p-n interfaces to the phase of the interference cancel with each other at zero magnetic field, but become imbalanced at a finite field. The resulting half-period shift in the Fabry-Pérot fringe pattern, induced by a relatively weak magnetic field, can provide a clear signature of Klein scattering in graphene. This effect is shown to be robust in the presence of spatially inhomogeneous potential of moderate strength. | en_GB |
dc.identifier.citation | Vol. 101 (15), article 156804 | en_GB |
dc.identifier.doi | 10.1103/PhysRevLett.101.156804 | |
dc.identifier.uri | http://hdl.handle.net/10871/13767 | |
dc.language.iso | en | en_GB |
dc.publisher | American Physical Society | en_GB |
dc.title | Klein backscattering and Fabry-Pérot interference in graphene heterojunctions | en_GB |
dc.type | Article | en_GB |
dc.date.available | 2013-10-04T15:58:15Z | |
dc.identifier.issn | 0031-9007 | |
exeter.place-of-publication | United States | |
dc.description | Copyright © 2008 The American Physical Society | en_GB |
dc.identifier.eissn | 079-7114 | |
dc.identifier.journal | Physical Review Letters | en_GB |