Non-Hermitian quantum phase transitions in the XY model induced by staggered imaginary Dzyaloshinskii--Moriya interaction

arXiv:2609.23721 · quant-ph, cond-mat.stat-mech · Submitted 2026-09-20 · Read on arXiv

quant-ph, cond-mat.stat-mech

Submitted: 2026-09-20

Updated: 2026-09-20

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Entanglement — 22× in this paper · explained in 3 episodes
• Phase Transitions — 15× in this paper · explained in 2 episodes
• Anisotropy — 12× in this paper · explained in 3 episodes
• Entanglement Entropy — 10× in this paper · explained in 2 episodes
• First-Order Transition — 8× in this paper · explained in 2 episodes
• Non-Hermitian Phase Transition — 3× in this paper · explained in 2 episodes
• Multipartite Entanglement — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Fidelity — 1× in this paper · explained in 2 episodes
• Frustration — 1× in this paper · explained in 2 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Hilbert Space — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Symmetry Breaking — 1× in this paper · explained in 3 episodes

Sources

• Quantum critical properties of non-Hermitian XY models with magnetic field
• Exact Solution for Non-Hermitian Free Fermions: A Case Study of the XY Chain

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