Mechanism bridging antiferromagnetism and superconductivity to the Mott insulating state in quasi-one dimensional organic conductors

Mott transition, antiferromagnetism, and d-wave superconductivity in two-dimensional organic conductors.

We study the Mott transition, antiferromagnetism, and superconductivity in layered organic conductors using the cellular dynamical mean-field theory for the frustrated Hubbard model. A d-wave superconducting phase appears between an antiferromagnetic insulator and a metal for t'/t=0.3-0.7 or between a nonmagnetic Mott insulator (spin liquid) and a metal for t'/t>or=0.8, in agreement with experi...

Superconductivity and Antiferromagnetism in Quasi-one-dimensional Organic Conductors

We review the current understanding of superconductivity in the quasi-onedimensional organic conductors of the Bechgaard and Fabre salt families. We discuss the interplay between superconductivity, antiferromagnetism, and charge-density-wave fluctuations. The connection to recent experimental observations supporting unconventional pairing and the possibility of a tripletspin order parameter for...

High-field magnetoresistive effects in low-dimensional organic metals and superconductors

Quasi-two-dimensional crystalline organic metals and superconductors are very flexible systems in the study of many-body effects and unusual mechanisms for superconductivity [1, 2, 3, 4, 5, 6, 7]. Their “soft” lattices enable one to use relatively low pressures to tune the same material through a variety of low-temperature groundstates, for example from Mott insulator via intermingled antiferro...

Title Gossamer superconductivity near antiferromagnetic mott insulator in layered organic conductors

1 6 O ct 2 00 6 1 High - field magnetoresistive effects in reduced - dimensionality organic metals and superconductors

1 High-field magnetoresistive effects in reduced-dimensionality organic metals and superconductors Summary. The large charge-transfer anisotropy of quasi-one-and quasi-two-dimensional crystalline organic metals means that magnetoresistance is one of the most powerful tools for probing their bandstructure and interesting phase diagrams. Here we review various magnetoresistance phenomena that are...