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248 papers · 1 filter
Dynamical Signatures of Floquet Topology in Wave Packet Dynamics
Xin Shen, Bing Lu, Yan-Qing Zhu
Periodically driven quantum systems, known as Floquet systems, provide a versatile platform for engineering novel topological phases absent in static settings. However, dynamically…
Reducing C-NOT Counts for State Preparation and Block Encoding via Diagonal Matrix Migration
Zexian Li, Guofeng Zhang, Xiao-Ming Zhang
Quantum state preparation and block encoding are versatile and practical input models for quantum algorithms in scientific computing. The circuit complexity of state preparation an…
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…
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…
Recent Advances on Nonadiabatic Geometric Quantum Computation
Zheng-Yuan Xue, Cheng-Yun Ding
The geometric phase stands as a foundational concept in quantum physics, revealing deep connections between geometric structures and quantum dynamical evolution. Unlike dynamical p…
Survival of Hermitian Criticality in the Non-Hermitian Framework
Fei Wang, Guoying Liang, Zecheng Zhao +3
In this work, we investigate many-body phase transitions in a one-dimensional anisotropic XY model subject to a complex-valued transverse field. Within the biorthogonal framework,…