Superconductivity and Mott Physics in Organic Charge Transfer Materials

Menke H, Klett M, Kanoda K, Georges A, Ferrero M, Schäfer T (2024)


Publication Type: Journal article

Publication year: 2024

Journal

Book Volume: 133

Article Number: 136501

Journal Issue: 13

DOI: 10.1103/PhysRevLett.133.136501

Abstract

The phase diagrams of quasi two-dimensional organic superconductors display a plethora of fundamental phenomena associated with strong electron correlations, such as unconventional superconductivity, metal-insulator transitions, frustrated magnetism and spin liquid behavior. We analyze a minimal model for these compounds, the Hubbard model on an anisotropic triangular lattice, using cutting-edge quantum embedding methods respecting the lattice symmetry. We demonstrate the existence of unconventional superconductivity by directly entering the symmetry-broken phase. We show that the crossover from the Fermi liquid metal to the Mott insulator is associated with the formation of a pseudogap. The predicted momentum-selective destruction of the Fermi surface into hot and cold regions provides motivation for further spectroscopic studies. Our theoretical results agree with experimental phase diagrams of κ-BEDT organics.

Involved external institutions

How to cite

APA:

Menke, H., Klett, M., Kanoda, K., Georges, A., Ferrero, M., & Schäfer, T. (2024). Superconductivity and Mott Physics in Organic Charge Transfer Materials. Physical Review Letters, 133(13). https://doi.org/10.1103/PhysRevLett.133.136501

MLA:

Menke, Henri, et al. "Superconductivity and Mott Physics in Organic Charge Transfer Materials." Physical Review Letters 133.13 (2024).

BibTeX: Download