Self-energy renormalization around the flux phase in the $t-J$ model: Possible implications in underdoped cuprates

Abstract

The flux phase predicted by the $t-J$ model in the large-N limit exhibits features that make it a candidate for describing the pseudogap regime of cuprates. However certain properties, as for instance the prediction of well defined quasiparticle peaks, speak against this scenario. We have addressed these issues by computing self-energy renormalizations in the vicinity to flux phase. The calculated spectral functions show features similar to those observed in experiments. At low doping, near the flux phase, the spectral functions are anisotropic on the Fermi surface and very incoherent near the hot spots. The temperature and doping evolution of self-energy and spectral functions are discussed and compared with the experiment.

arXiv comment4.3 pages, 4 figures, accepted for publication in Phys. Rev. B

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Cited by in corpus (8)

• Origin of Strong Dispersion in Hubbard Insulators
• Evidence for two competing order parameters in underdoped cuprates superconductors from a model analysis of the Fermi-arc effects
• Short-ranged and short-lived charge-density-wave order and pseudogap features in underdoped cuprates superconductors
• Doping and temperature dependence of the pseudogap and Fermi arcs in cuprates from $d$-CDW short-range fluctuations in the context of the t-J model
• Conductivity in Pseudogapped Superconductors: The Role of the Fermi Arcs
• Two distinct quasiparticle inelastic scattering rates in the $t-J$ model and their relevance for high-$T_c$ cuprates superconductors
• Role of dynamical non-double-occupancy excitations on the quasiparticle damping of the $t-J$ model in the large-$N$ limit
• Self-energy effects in cuprates and the dome-shaped behavior of the superconducting critical temperature