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Nontrivial behavior of the Fermi arc in the staggered-flux ordered phase

Koichi Hamada·Daijiro Yoshioka
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Abstract

The doping and temperature dependences of the Fermi arc in the staggered-flux, or the d-density wave, ordered phase of the t-J model are analyzed by the U(1) slave boson theory. Nontrivial behavior is revealed by the self-consistent calculation. At low doped and finite-temperature region, both the length of the Fermi arc and the width of the Fermi pocket are proportional to $δ$ and the area of the Fermi pocket is proportional to $δ^2$. This behavior is completely different from that at the zero temperature, where the area of the Fermi pocket becomes $π^2 δ$. This behavior should be observed by detailed experiments of angle-resolved photoemission spectroscopy in the pseudogap phase of high-T_c cuprates if the pseudogap phase is the staggered-flux ordered phase.

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Koichi Hamada, Daijiro Yoshioka. 2003-10-16. Nontrivial behavior of the Fermi arc in the staggered-flux ordered phase. https://doi.org/10.1143/jpsj.73.1631

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