Temperature dependence of the angle resolved photoemission spectra in the undoped cuprates: self-consistent approach to the t-J-Holstein model

Abstract

We develop a novel self-consistent approach for studying the angle resolved photoemission spectra (ARPES) of a hole in the t-J-Holstein model giving perfect agreement with numerically exact Diagrammatic Monte Carlo data at zero temperature for all regimes of electron-phonon coupling. Generalizing the approach to finite temperatures we find that the anomalous temperature dependence of the ARPES in undoped cuprates is explained by cooperative interplay of coupling of the hole to magnetic fluctuations and strong electron-phonon interaction.

5 pages, 4 figures

References in corpus (5)

• Green's function of a dressed particle
• Polaronic behavior of undoped high-Tc cuprates
• Electron-phonon interaction and antiferromagnetic correlations
• Polaronic features in the optical properties of the Holstein-t-J model
• Electron-phonon coupling in the self-consistent Born approximation of the t-J model

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• Enhancement of phonon effects in photoexcited states of one-dimensional Mott insulators
• Finite temperature spectral function of a hole in a quantum antiferromagnet and role of phonons
• Ising t-J model close to half filling: A Monte Carlo study