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Discrete time crystals enabled by Floquet strong Hilbert space fragmentation
Ling-Zhi Tang, Xiao Li, Z. D. Wang +1
Discrete time crystals (DTCs) are non-equilibrium phases of matter that break the discrete time-translation symmetry and is characterized by a robust subharmonic response in period…
Discrete time crystals enhanced by Stark potentials in Rydberg atom arrays
Jian-Jia Wang, Ling-Zhi Tang, Yan-Xiong Du +1
Discrete time crystals (DTCs) are non-equilibrium phases in periodically driven systems that exhibit spontaneous breaking of discrete time-translation symmetry. The stabilization o…
Critical properties in the non-Hermitian Aubry-Andre-Stark model
Ji-Long Dong, En-Wen Liang, Shi-Yang Liu +3
We explore the critical properties of the localization transition in the non-Hermitian Aubry-Andre-Stark (AAS) model with quasiperiodic and Stark potentials, where the non-Hermitic…
Protecting Quantum Information via Many-Body Dynamical Localization
Ling-Zhi Tang, Dan-Wei Zhang, Hai-Feng Yu +1
Dynamically localized states in quantum many-body systems are fundamentally important in understanding quantum thermalization and have applications in quantum information processin…
Identifying non-Hermitian critical points with quantum metric
Jun-Feng Ren, Jing Li, Hai-Tao Ding +1
The geometric properties of quantum states is fully encoded by the quantum geometric tensor. The real and imaginary parts of the quantum geometric tensor are the quantum metric and…