On the Origin of the Tunneling Asymmetry in the Cuprate Superconductors: a variational perspective

Details On the Origin of the Tunneling Asymmetry in the Cuprate Superconductors: a variational perspective On the Origin of the Tunneling Asymmetry in the Cuprate Superconductors: a variational perspective

2006-04-20

arxiv.org/abs/cond-mat/0604488v1

Physics

Condensed Matter

Superconductivity

5 pages, 4figures

Scientific paper

10.1088/0953-8984/19/1/016217

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.

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