Quantum spin systems: toroidal classification and geometric duality
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.
Cite
@article{arxiv.2406.13830,
title = {Quantum spin systems: toroidal classification and geometric duality},
author = {Vahid Azimi-Mousolou and Anders Bergman and Anna Delin and Olle Eriksson and Manuel Pereiro and Danny Thonig and Erik Sjöqvist},
journal= {arXiv preprint arXiv:2406.13830},
year = {2024}
}
Comments
6 pages, 2 figures