1. Quantum spin systems: toroidal classification and geometric duality
- Author
-
Azimi-Mousolou, Vahid, Bergman, Anders, Delin, Anna, Eriksson, Olle, Pereiro, Manuel, Thonig, Danny, and Sjöqvist, Erik
- Subjects
Quantum Physics ,Condensed Matter - Mesoscale and Nanoscale Physics - Abstract
Toroidal classification and geometric duality in quantum spin systems is presented. Through our classification and duality, we reveal that various bipartite quantum features in magnon-systems can manifest equivalently in both bipartite ferromagnetic and antiferromagnetic materials, based upon the availability of relevant Hamiltonian parameters. Additionally, the results highlight the antiferromagnetic regime as an ultra-fast dual counterpart to the ferromagnetic regime, both exhibiting identical capabilities for quantum spintronics and technological applications. Concrete illustrations are provided, demonstrating how splitting and squeezing types of two-mode magnon quantum correlations can be realized across ferro- and antiferromagnetic regimes., Comment: 6 pages, 2 figures
- Published
- 2024