Dopant pairing in a disordered magnetic spin ladder

Autor:	Nielsen, K. Knakkergaard
Rok vydání:	2024
Předmět:	Condensed Matter - Strongly Correlated Electrons Condensed Matter - Disordered Systems and Neural Networks Condensed Matter - Quantum Gases
Druh dokumentu:	Working Paper
Popis:	I demonstrate a pairing mechanism of dopants in a magnetic lattice, emerging from the underlying high-temperature disorder of the spins. The effect is demonstrated in a mixed-dimensional model, where dopants travel along a two-leg ladder, while the spins feature Ising interactions along the rungs and the legs of the ladder. The dynamics following the sudden immersion of two nearest neighbor dopants in an infinite temperature spin lattice shows that thermal spin disorder frustrates the relative motion of the dopants and enforces them to co-propagate. The predictions are shown to be realistically testable in quantum simulation experiments. Comment: 12 pages, 9 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/2407.01252 Zobrazit plný text záznamu View this record from Arxiv