162 citations · 1.2k across the 62 of their papers we have counts for
12 papers · 1 filter
Effective temperature in approximate quantum many-body states
Yu-Qin Chen, Shi-Xin Zhang
In the pursuit of numerically identifying the ground state of quantum many-body systems, approximate quantum wavefunction ansatzes are commonly employed. This study focuses on the…
Driven Critical Dynamics in Measurement-induced Phase Transitions
Wantao Wang, Shuo Liu, Jiaqiang Li +2
Measurement-induced phase transitions (MIPT), characterizing abrupt changes in entanglement properties in quantum many-body systems subjected to unitary evolution with interspersed…
Supersymmetry dynamics on Rydberg atom arrays
Shuo Liu, Zhengzhi Wu, Shi-Xin Zhang +1
Spacetime supersymmetry (SUSY) that interchanges fermions and bosons is of great theoretical importance but has not yet been revealed experimentally in particle physics. It has als…
Imaginary-time Mpemba effect in quantum many-body systems
Wei-Xuan Chang, Shuai Yin, Shi-Xin Zhang +1
Various exotic phenomena emerge in non-equilibrium quantum many-body systems. The Mpemba effect, denoting the situation where a hot system freezes faster than the colder one, is a…
Symmetry restoration and quantum Mpemba effect in many-body localization systems
Shuo Liu, Hao-Kai Zhang, Shuai Yin +2
Non-equilibrium dynamics of quantum many-body systems has attracted increasing attention owing to a variety of intriguing phenomena absent in equilibrium physics. A prominent examp…
Subsystem Information Capacity in Random Circuits and Hamiltonian Dynamics
Yu-Qin Chen, Shuo Liu, Shi-Xin Zhang
In this study, we explore the information capacity of open quantum systems, focusing on the effective channels formed by the subsystem of random quantum circuits and quantum Hamilt…
Symmetry restoration and quantum Mpemba effect in symmetric random circuits
Shuo Liu, Hao-Kai Zhang, Shuai Yin +1
Entanglement asymmetry, which serves as a diagnostic tool for symmetry breaking and a proxy for thermalization, has recently been proposed and studied in the context of symmetry re…
Stabilizer ground states for simulating quantum many-body physics: theory, algorithms, and applications
Jiace Sun, Lixue Cheng, Shi-Xin Zhang
Stabilizer states, which are also known as the Clifford states, have been commonly utilized in quantum information, quantum error correction, and quantum circuit simulation due to…
Variational post-selection for ground states and thermal states simulation
Shi-Xin Zhang, Jiaqi Miao, Chang-Yu Hsieh
Variational quantum algorithms (VQAs), as one of the most promising routes in the noisy intermediate-scale quantum (NISQ) era, offer various potential applications while also confr…
Noise-induced phase transitions in hybrid quantum circuits
Shuo Liu, Ming-Rui Li, Shi-Xin Zhang +2
The presence of quantum noises inherent to real physical systems can strongly impact the physics in hybrid quantum circuits with local random unitaries and mid-circuit measurements…
Efficient and Robust Parameter Optimization of the Unitary Coupled-Cluster Ansatz
Weitang Li, Yufei Ge, Shixin Zhang +2
The variational quantum eigensolver (VQE) framework has been instrumental in advancing near-term quantum algorithms. However, parameter optimization remains a significant bottlenec…
Entanglement Structure and Information Protection in Noisy Hybrid Quantum Circuits
Shuo Liu, Ming-Rui Li, Shi-Xin Zhang +1
In the context of measurement-induced entanglement phase transitions, the influence of quantum noises, which are inherent in real physical systems, is of great importance and exper…