Strong Correlations in Electron Doped Phthalocyanine Conductors Near Half Filling

Details Strong Correlations in Electron Doped Phthalocyanine Conductors Near Half Filling Strong Correlations in Electron Doped Phthalocyanine Conductors Near Half Filling

2004-06-25

arxiv.org/abs/cond-mat/0406639v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 1 figure, submited to PRL

Scientific paper

10.1103/PhysRevLett.93.117002

We propose that electron doped nontransition metal-phthalocyanines (MPc) like ZnPc and MgPc, similar to those very recently reported, should constitute novel strongly correlated metals. Due to orbital degeneracy, Jahn-Teller coupling and Hund's rule exchange, and with a large on-site Coulomb repulsion, these molecular conductors should display, particularly near half filling at two electrons/molecule, very unconventional properties, including Mott insulators, strongly correlated superconductivity, and other intriguing phases.

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