Equivalence of classicality and separability based on P phase-space representation of symmetric multiqubit states. - A. R. Usha Devi; A. K. Rajagopal; Sudha; H. S. Karthik; J. Prabhu Tej (Quantum Inf. Process., 2013)

Characterizing nonlocality of pure symmetric three-qubit states. - K. Anjali; Akshata Shenoy Hejamadi; H. S. Karthik; S. Sahu; Sudha; A. R. Usha Devi (Quantum Inf. Process., 2021)

Geometric picture for SLOCC classification of pure permutation symmetric three-qubit states. - K. Anjali; I. Reena; Sudha; B. G. Divyamani; H. S. Karthik; K. S. Mallesh; A. R. Usha Devi (Quantum Inf. Process., 2022)

Lorentz invariants of pure three-qubit states. - A. R. Usha Devi; Sudha; Akshata Shenoy Hejamadi; H. S. Karthik; B. N. Karthik (Quantum Inf. Process., 2024)