Self-normal and biorthogonal dynamical quantum phase transitions in non-Hermitian quantum walks

• Published in: Light, science & applications Vol. 14; no. 1; pp. 253 - 11
• Main Authors: Zhang, Haiting, Wang, Kunkun, Xiao, Lei, Xue, Peng
• Format: Journal Article
• Language: English
• Published: London Nature Publishing Group UK 26.07.2025; Springer Nature B.V; Nature Publishing Group
• Subjects: 639/766/400/3925; 639/766/400/482; Lasers; Microwaves; Optical and Electronic Materials; Optical Devices; Optics; Phase transitions; Photonics; Photons; Physics; Physics and Astronomy; Quantum physics; RF and Optical Engineering; Symmetry

Dynamical quantum phase transitions (DQPTs), characterized by non-analytic behavior in rate function and abrupt changes in dynamic topological order parameters (DTOPs) over time, have garnered enormous attention in recent decades. However, in non-Hermitian systems, the special biorthogonality of the...