On the Origin of the Tunneling Asymmetry in the Cuprate Superconductors: a variational perspective
arXiv:cond-mat/0604488 · doi:10.1088/0953-8984/19/1/016217
Abstract
Through variational Monte Carlo calculation on Gutzwiller projected wave functions, we study the quasiparticle(qp) weight for adding and removing an electron from a high temperature superconductor. We find the qp weight is particle-hole symmetric at sufficiently low energy. We propose to use the tunneling asymmetry as a tool to study the mechanism of electron incoherence in high temperature superconductors.
5 pages, 4figures
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