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 Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We compare the ground-state features of alternating ferrimagnetic chains$(1/2, S)$ with $S=1,3/2,2,5/2$ in a magnetic field and the correspondingHolstein-Primakoff bosonic models up to order $\sqrt{s/S}$, with $s=1/2$,considering the fully polarized magnetization as the boson vacuum. {Thesingle-particle Hamiltonian is a Rice-Mele model with uniform hopping andmodified boundaries, while the interactions have a correlated(density-dependent) hopping term and magnon-magnon repulsion.} Themagnon-magnon repulsion increases the many-magnon energy and thedensity-dependent hopping decreases the kinetic energy. We use density matrixrenormalization group calculations to investigate the effects of these twointeraction terms in the bosonic model{, and display the quantitative agreementbetween the results from the spin model and the full bosonic approximation. Inparticular, we verify the good accordance in the behavior of the edge states,associated with the ferrimagnetic plateau, from the spin and from the bosonicmodels. Furthermore, we show that the boundary magnon density strongly dependson the interactions and particle statistics.

The role of density-dependent magnon hopping and magnon-magnon repulsion in ferrimagnetic spin-(1/2, $S$) chains in a magnetic field