3 papers
cond-mat.stat-mech2026
Topological Quantum Criticality in Quasiperiodic Ising Chain
Sheng Yang, Hai-Qing Lin, Xue-Jia Yu
Topological classifications of quantum critical systems have recently attracted growing interest, as they go beyond the traditional paradigms of condensed matter and statistical ph…
cond-mat.str-el2025
Quantum Strong-to-Weak Spontaneous Symmetry Breaking in Decohered One Dimensional Critical States
Yuxuan Guo, Sheng Yang, Xue-Jia Yu
Symmetry breaking has been a central theme in classifying quantum phases and phase transitions. Recently, this concept has been extended to the mixed states of open systems, attrac…
cond-mat.str-el2025
Gapless Symmetry-Protected Topological States in Measurement-Only Circuits
Xue-Jia Yu, Sheng Yang, Shuo Liu +2
Measurement-only quantum circuits offer a versatile platform for realizing intriguing quantum phases of matter. However, gapless symmetry-protected topological (gSPT) states remain…