English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

In XXZ chains, spin transport can be significantly suppressed when theinteractions in the chain and the bias of the dissipative driving are largeenough. This phenomenon of negative differential conductance is caused by theformation of two oppositely polarized ferromagnetic domains at the edges of thechain. Here we show that this many-body effect, combined with a non-uniformmagnetic field, can allow a high degree of control of the spin current. Inparticular, by studying all the possible combinations of a dichotomous localmagnetic field, we found that a configuration in which the magnetic fieldpoints up for half of the chain and down for the other half, can result ingiant spin-current rectification, for example up to $10^8$ for a system with$8$ spins. Our results show clear indications that the rectification canincrease with the system size.

Giant spin current rectification due to the interplay of negative differential conductance and a non-uniform magnetic field