2 papers
cond-mat.mes-hall2025
Two topological phases in exchange alternating spin-1 nanographene chains
João C. G. Henriques, Yelko del Castillo, Ricardo Segundo +2
Magnetic nanographenes are emerging as versatile building blocks for artificial spin lattices, enabling the exploration of flagship one-dimensional quantum-magnetism models with un…
cond-mat.mes-hall2025
Remote spin control in Haldane spin chains
Y. del Castillo, A. Ferrón, J. Fernández-Rossier
We consider the remote manipulation of the quantum state of the edge fractional spins of Haldane spin chains using a weak local perturbation on the other edge. We derive an effecti…