Possible Competing Order-Induced Fermi Arcs in Cuprate Superconductors

Details Possible Competing Order-Induced Fermi Arcs in Cuprate Superconductors Possible Competing Order-Induced Fermi Arcs in Cuprate Superconductors

2008-04-24

arxiv.org/abs/0804.4028v2

Solid State Communications 149, 261 (2009)

Physics

Condensed Matter

Superconductivity

6 pages and 5 figures, with one figure added in the updated version. Accepted for publication in Solid State Communications, F

Scientific paper

10.1016/j.ssc.2008.12.018

We investigate the scenario of competing order (CO) induced Fermi arcs and pseudogap in cuprate superconductors. For hole-type cuprates, both phenomena as a function of temperature and doping level can be accounted for if the CO vanishes at $T^{\ast}$ above the superconducting transition $T_c$ and the CO wave-vector Q is parallel to the antinodal direction. In contrast, the absence of these phenomena and the non-monotonic d-wave gap in electron-type cuprates may be attributed to $T^{\ast} < T_c$ and a CO wave-vector Q parallel to the nodal direction.

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