3 papers
cond-mat.quant-gas2025
Beyond fragmented dopant dynamics in quantum spin lattices: Robust localization and non-Gaussian diffusion
Mingru Yang, Sajant Anand, Kristian Knakkergaard Nielsen
The motion of dopants in magnetic spin lattices has received tremendous attention for at least four decades due to its connection to high-temperature superconductivity. Despite the…
cond-mat.str-el2025
Dopant pairing in a disordered magnetic spin ladder
K. Knakkergaard Nielsen
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-dimen…
cond-mat.str-el2024
Thermally induced localization of dopants in a magnetic spin ladder
K. Knakkergaard Nielsen
I unveil a novel variant of Anderson localization. This emergent phenomenon pertains to the motion of a dopant in a thermal spin lattice, rendered localized by thermal fluctuations…