Experimental Proof of a Structural Origin for the Shadow Fermi Surface of Bi2Sr2CaCu2O8+δ

A Mans, I Santoso, Y Huang, WK Siu, S Tavaddod, V Arpiainen, M Lindroos, H Berger, VN Strocov, M Shi, L Patthey, MS Golden

Research output: Contribution to journalArticlepeer-review


By combining surprising new results from a full polarization analysis of nodal angle-resolved photoemission data from pristine and modulation-free Bi2Sr2CaCu2O8+δ with structural information from LEED and ab initio one-step photoemission simulations, we prove that the shadow Fermi surface in these systems is of structural origin, being due to orthorhombic distortions from tetragonal symmetry present both in surface and bulk. Consequently, one of the longest standing open issues in the investigation of the Fermi surface of these widely studied systems finally meets its resolution.
Original languageEnglish
Article number107007
Pages (from-to)1-4
Number of pages4
JournalPhysical Review Letters
Publication statusPublished - 16 Mar 2006


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