Effective spin-fermion model for strongly correlated electrons
1 International Institute of Physics-UFRN, Department of Experimental and Theoretical Physics-UFRN Natal, Brazil
2 Laboratory of Theoretical Physics, Joint Institute for Nuclear Research - 141980 Dubna, Russia
Received: 6 November 2014
Accepted: 22 January 2015
A modified spin-fermion model is proposed to describe the physics of the underdoped phase of the model of strongly correlated electrons.
PACS: 71.10.Hf – Non-Fermi-liquid ground states, electron phase diagrams and phase transitions in model systems / 71.18.+y – Fermi surface: calculations and measurements; effective mass, g factor / 74.72.Kf – Pseudogap regime
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