Strong correlations in electron doped phthalocyanine conductors near half filling |
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Authors: | Tosatti Erio Fabrizio Michele Tóbik Jaroslav Santoro Giuseppe E |
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Affiliation: | International School for Advanced Studies (SISSA) and INFM Democritos National Simulation Center, Via Beirut 2-4, I-34014 Trieste, Italy. |
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Abstract: | We propose that electron doped nontransition metal phthalocyanines such as ZnPc and MgPc, similar to those very recently reported, should constitute novel strongly correlated metals. Because of 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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