aqcmp

Annals of Quantum and Condensed Matter Physics

Ann. Quantum Condens. Matter Phys.

2511-9877 2511-9958

Meridian Academic Press

10.58303/vynqpz64

Expression of Concern for: Spin-1/2 Heisenberg chains with Dzyaloshinskii–Moriya interaction: critical exponents of the Σ⁺ phase near T_c

12 11 2026

5 2 https://creativecommons.org/licenses/by/4.0/

The journal has been made aware of concerns regarding the ethical approval for the study described in this article. The authors have been asked to provide documentation; readers should interpret the results with caution until the matter is resolved.