Loop currents in ladder cuprates: A dynamical mean field theory study
Strongly Correlated Electrons
2020-08-26 v1
Abstract
We investigate the possibility of spontaneous loop currents in the two-leg ladder cuprate SrCaCuO by applying cluster dynamical mean field theory (CDMFT) to a seven-band Hubbard model for that compound, with an exact diagonalization solver. We sample several values of the local interaction and of the Cu-O energy difference , by applying an external field that induces loop currents. We find no instance of spontaneous loop currents once the external field is brought to zero.
Cite
@article{arxiv.2006.06128,
title = {Loop currents in ladder cuprates: A dynamical mean field theory study},
author = {Xiancong Lu and D. Sénéchal},
journal= {arXiv preprint arXiv:2006.06128},
year = {2020}
}