Author

L. G. D. D. Dias da Silva

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Preprint Sep 2026

Ni-O hybridization as a stabilizer for $s^{\pm}$ superconductivity in La$_3$Ni$_2$O$_7$: a DFT+RPA study

The superconducting gap symmetry of high-pressure bilayer nickelates remains under debate, with weak- and strong-coupling approaches yielding different pairing tendencies. In this work, we investigate how the weak-coupling treatment of electronic states away from the Fermi level influences magnetic fluctuations and sup...

Lauro B. Braz, Daniel D. Rivera, Emmanuel V. C. Lopes et al. · 0 citations

Preprint Sep 2026

Robustness of RKKY interactions across a Weyl node-annihilation transition

Weyl semimetals (WSMs), with their unique topological properties and distinct electronic structure, exhibit intriguing properties when either time-reversal or inversion symmetries are broken. In this work, we consider the Ruderman-Kittel-Kasuya-Yosida (RKKY) interaction between magnetic impurities in time-reversal symm...

J. V. F. Alves, Joelson F. Silva, L. G. D. D. Dias da Silva · 0 citations