Kitaev-type spin chains have been demonstrated to be fertile playgrounds in which exotic
phases and unconventional phase transitions are ready to appear. In this work, we use the …

Progress in understanding symmetry-protected topological (SPT) phases has been greatly
aided by our ability to construct lattice models realizing these states. In contrast, a systematic …

We study the ground-state phase diagram of a spin-1 2 frustrated XXZ ladder, in which two
antiferromagnetic chains are coupled by competing rung and diagonal interactions, J⊥ and …

Decades of research have revealed a deep understanding of topological quantum matter
with protected edge modes. We report that even richer physics emerges when tuning …

We study the ground-state phase diagram of a spin-1 2 XXZ model with a chirality-chirality
interaction (CCI) on a two-leg ladder. This model offers a minimal setup to study an interplay …

We study a spin-1 2 XXZ model with a four-spin interaction on a two-leg ladder. By means of
effective field theory and matrix product state calculations, we obtain rich ground-state phase …

Quantum phase transitions in quantum matter occur at zero temperature between distinct
ground states by tuning a nonthermal control parameter. Often, they can be accurately …

We investigate the ground-state quantum entanglement in a one-dimensional incarnation of
deconfined quantum critical point by making use of the finite-size density matrix …

A spin-Heisenberg model with a chirality–chirality interaction (CCI) on a two-leg ladder
provides a minimal setup to explore an interplay between spin and chirality degrees of …

Quantum spin systems can break time-reversal symmetry by develo** spontaneous
magnetization or spin chirality. However, collinear magnets and chiral spin states are …