162 citations · 1.2k across the 62 of their papers we have counts for
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Entanglement Embezzlement from Diffusive Hydrodynamics
Shi-Xin Zhang, Shuo Liu, Yu-Qin Chen
Entanglement embezzlement asks how much entanglement can be borrowed from a many-body state by local operations and classical communication while returning that state with a small…
Entanglement Growth as Transport Across Schmidt Scales
Shi-Xin Zhang, Shuo Liu, Yu-Qin Chen
Quantum entanglement growth is commonly summarized by a single entropy, obscuring where correlations reside in the exponentially large Schmidt spectrum and how they form. Here, we…
LLM-Driven Cross-Paradigm Design for Quantum Optimal Control
Yu-Qin Chen, Shi-Xin Zhang
Quantum optimal control (QOC) underpins adiabatic quantum computation, quantum annealing, and quantum state engineering, yet practical deployment is fundamentally bottlenecked by s…
Revealing Entanglement-Growth Mechanisms through the Magic Barrier
Lv Zhang, Shi-Xin Zhang, Heng Fan +1
Quantum entanglement and magic are complementary resources underlying quantum computational advantage, yet their dynamical relation in many-body systems remains poorly understood.…
ORBIT-Q: Dual-axis benchmarking of autonomous agents in scientific quantum programming
Shi-Xin Zhang, Yu-Qin Chen
Autonomous coding agents perform well on many conventional programming tasks, but scientific computing demands a rigorous validation paradigm that extends beyond simple functional…
Absence of poor local minima in matrix product states
Hao-Kai Zhang, Chenghong Zhu, Shuo Liu +2
Quantum circuits suffer from severe trainability issues: even shallow circuits are swamped with poor local minima. Yet matrix product states (MPS), which can be prepared by sequent…
Quantum Subliminal Learning
Shi-Xin Zhang, Yu-Qin Chen
Machine learning models can inherit hidden behavioral traits through innocuous public interfaces, a phenomenon known as subliminal learning. Here we extend this framework to quantu…
Post-Selection-Free Decoding of Measurement-Induced Area-Law Phases via Neural Networks
Hui Yu, Jiangping Hu, Shi-Xin Zhang
Monitored quantum circuits host a rich variety of exotic non-equilibrium phases. Among the most representative examples are measurement-induced phase transitions between distinct a…
TensorCircuit-NG: A Universal, Composable, and Scalable Platform for Quantum Computing and Quantum Simulation
Shi-Xin Zhang, Yu-Qin Chen, Weitang Li +22
We present TensorCircuit-NG, a next-generation quantum software platform designed to bridge the gap between quantum physics, artificial intelligence, and high-performance computing…
Bond Additivity and Persistent Geometric Imprints of Entanglement in Quantum Thermalization
Chun-Yue Zhang, Shi-Xin Zhang, Zi-Xiang Li
Characterizing the intricate structure of entanglement in quantum many-body systems remains a central challenge, as standard measures often obscure underlying geometric details. In…
Tunable discrete quasi-time crystal from a single drive
Xu Feng, Shuo Liu, Shu Chen +1
The search for exotic temporal orders in quantum matter, such as discrete quasi-time crystals (DQTCs), has become an important theme in nonequilibrium physics. However, realizing t…
Quantum Mpemba effect in long-ranged U(1)-symmetric random circuits
Han-Ze Li, Ching Hua Lee, Shuo Liu +2
The Mpemba effect, where a state prepared farther from equilibrium relaxes faster to equilibrium than one prepared closer, has a quantum counterpart where relaxation is resolved by…
Noisy Monitored Quantum Circuits
Shuo Liu, Shao-Kai Jian, Shi-Xin Zhang
Noisy monitored quantum circuits have emerged as a versatile and unifying framework connecting quantum many-body physics, quantum information, and quantum computation. In this revi…
A Qudit-native Framework for Discrete Time Crystals
Wei-Guo Ma, Heng Fan, Shi-Xin Zhang
We introduce a qudit-native framework for engineering rich and robust discrete time crystals (DTCs) by leveraging their internal multilevel structure. Unlike in qubit systems, qudi…
Intrinsic preservation of plasticity in continual quantum learning
Yu-Qin Chen, Shi-Xin Zhang
Artificial intelligence in dynamic, real-world environments requires the capacity for continual learning. However, standard deep learning suffers from a fundamental issue: loss of…
Entanglement Growth from Entangled States: A Unified Perspective on Entanglement Generation and Transport
Chun-Yue Zhang, Zi-Xiang Li, Shi-Xin Zhang
Studies of entanglement dynamics in quantum many-body systems have focused largely on initial product states. Here, we investigate the far richer dynamics from initial entangled st…
Quantum Pontus-Mpemba Effects in Real and Imaginary-time Dynamics
Hui Yu, Jiangping Hu, Shi-Xin Zhang
The quantum Pontus-Mpemba effect (QPME) is a counterintuitive phenomenon wherein a quantum system relaxes more rapidly through a two-step evolution protocol than through direct evo…
Superior resilience to poisoning and amenability to unlearning in quantum machine learning
Yu-Qin Chen, Shi-Xin Zhang
The reliability of artificial intelligence hinges on the integrity of its training data, a foundation often compromised by noise and corruption. Here, through a comparative study o…
Observation and Modulation of the Quantum Mpemba Effect on a Superconducting Quantum Processor
Yueshan Xu, Cai-Ping Fang, Bing-Jie Chen +33
In non-equilibrium quantum systems, the quantum Mpemba effect (QME) emerges as a counterintuitive phenomenon: systems exhibiting greater initial symmetry breaking restore symmetry…
The Dual Role of Low-Weight Pauli Propagation: A Flawed Simulator but a Powerful Initializer for Variational Quantum Algorithms
Zong-Liang Li, Shi-Xin Zhang
Variational quantum algorithms are often hindered by rugged optimization landscapes. In this Letter, we investigate the low-weight Pauli propagation (LWPP) algorithm and find that…
Quantum Mpemba Effects from Symmetry Perspectives
Hui Yu, Shuo Liu, Shi-Xin Zhang
Non-equilibrium dynamics have become a central research focus, exemplified by the counterintuitive Mpemba effect where initially hotter systems can cool faster than colder ones. St…
Hilbert subspace imprint: a new mechanism for non-thermalization
Hui Yu, Jiangping Hu, Shi-Xin Zhang
The search for non-ergodic mechanisms in quantum many-body systems has become a frontier area of research in non-equilibrium physics. In this Letter, we introduce Hilbert subspace…
Entanglement growth and information capacity in a quasiperiodic system with a single-particle mobility edge
Yuqi Qing, Yu-Qin Chen, Shi-Xin Zhang
We investigate the quantum dynamics of a one-dimensional quasiperiodic system featuring a single-particle mobility edge (SPME), described by the generalized Aubry-André (GAA) model…
A Unified Variational Framework for Quantum Excited States
Shi-Xin Zhang, Lei Wang
Determining quantum excited states is crucial across physics and chemistry but presents significant challenges for variational methods, primarily due to the need to enforce orthogo…