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19 papers · 1 filter
Dimensionality-Dependent Exciton Dispersion in a Single-Band Mott Insulator
Zhibin Su, Junjian Mi, Shaohua Yan +9
Excitonic band structure is critical for investigating exciton dynamics. Theoretically, quantum effects from exchange scattering between electron-hole pairs significantly modulate…
Topological physics in quantum critical systems
Xue-Jia Yu, Limei Xu, Hai-Qing Lin
Topology forms a cornerstone in modern condensed matter and statistical physics, offering a new framework to classify the phases and phase transitions beyond the traditional Landau…
Generalized Li-Haldane Correspondence in Critical Dirac-Fermion Systems
Yuxuan Guo, Sheng Yang, Xue-Jia Yu
Topological phenomena in quantum critical systems have recently attracted growing attention, as they go beyond the traditional paradigms of condensed matter and statistical physics…
Emergent gapless spiral phases and conformal Lifshitz criticality in the cluster Ising model with off-diagonal interactions
Wei-Lin Li, Dan-Dan Liang, Zhi Li +1
We perform a comprehensive analytical study of the exotic quantum phases and phase transitions emerging from the cluster-Ising model with off-diagonal Gamma interactions. Specifica…
Deconfined criticality as intrinsically gapless topological state in one dimension
Sheng Yang, Fu Xu, Da-Chuan Lu +3
Deconfined criticality and gapless topological states have recently attracted growing attention, as both phenomena go beyond the traditional Landau paradigm. However, the deep conn…
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…