Evidence of electron fractionalization from photoemission spectra in the high temperature superconductors

D. Orgad*, S. A. Kivelson, E. W. Carlson, V. J. Emery, X. J. Zhou, Z. X. Shen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

55 Scopus citations

Abstract

A sharp structure is observed in the single hole spectral function in the normal state of the high temperature superconductors. The single hole spectral function can be measured using angle resolved photoemission spectroscopy (ARPES). As a function of the small binding energy on the putative Fermi surface, any structure in the single hole spectral function other than the Fermi cutoff is very broad.

Original languageAmerican English
Pages (from-to)4362-4395
Number of pages34
JournalPhysical Review Letters
Volume86
Issue number19
DOIs
StatePublished - 7 May 2001
Externally publishedYes

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