English

Quantum Coherence of Topologically Frustrated Spin Chains

Quantum Physics 2025-11-07 v2 Statistical Mechanics Strongly Correlated Electrons

Abstract

The study of entanglement and magic properties in topologically frustrated systems suggests that, in the thermodynamic limit, these quantities decompose into two distinct contributions. One is determined by the specific nature of the model and its Hamiltonian, and another arises from topological frustration itself, resulting in being independent of the Hamiltonian's parameters. In this work, we test the generality of this picture by investigating an additional quantum resource, namely quantum coherence, in two different models where topological frustration is induced through an appropriate choice of boundary conditions. Our findings reveal a perfect analogy between the behavior of quantum coherence and that of other quantum resources, particularly magic, providing further evidence in support of the universality of this picture and the topological nature of this source of frustration.

Keywords

Cite

@article{arxiv.2503.20874,
  title  = {Quantum Coherence of Topologically Frustrated Spin Chains},
  author = {S. B. Kožić and G. Torre and K. Delić and F. Franchini and S. M. Giampaolo},
  journal= {arXiv preprint arXiv:2503.20874},
  year   = {2025}
}

Comments

12 pages, 5 figures, 3 appendices

R2 v1 2026-06-28T22:35:42.589Z