Fermi Arcs in the Superconducting Clustered State for Underdoped Cuprate Superconductors
G. Alvarez, E. Dagotto
DOI 10.1103/PhysRevLett.101.177001 · Physical Review Letters
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Abstract
The one-particle spectral function of a state formed by superconducting (SC) clusters is studied via Monte Carlo techniques. The clusters have similar SC amplitudes but randomly distributed phases. This state is stabilized by competition with the antiferromagnetism expected to be present in the cuprates and after quenched disorder is introduced. A Fermi surface composed of disconnected segments, i.e., Fermi arcs, is observed between the critical temperature Tc and the cluster formation temperature scale T*.
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