On the origin of the tunnelling asymmetry in the cuprate superconductors: A variational perspective

Hong Yu Yang, Fan Yang, Yong Jin Jiang, Tao Li

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Through variational Monte Carlo calculations on Gutzwiller projected wavefunctions, we study the quasiparticle weight for adding and removing an electron from a high-temperature superconductor. We find that the quasiparticle weight is particle-hole symmetric at sufficiently low energy. We propose to use the tunnelling asymmetry as a tool to study the mechanism of electron incoherence in high-temperature superconductors.

Original languageEnglish (US)
Article number016217
JournalJournal of Physics Condensed Matter
Volume19
Issue number1
DOIs
StatePublished - Jan 10 2007

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