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

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

2003-10-16

arxiv.org/abs/cond-mat/0310371v1

J. Phys. Soc. Jpn. 73 (2004) 1631.

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 4 figures

Scientific paper

10.1143/JPSJ.73.1631

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 $\delta$ and the area of the Fermi pocket is proportional to $\delta^2$. This behavior is completely different from that at the zero temperature, where the area of the Fermi pocket becomes $\pi^2 \delta$. 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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