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Emergence of the Scrooge Ensemble in the Sachdev-Ye-Kitaev Model
Zeyu Liu, Pengfei Zhang
The probabilistic nature of quantum measurement provides a direct window into the structure and complexity of many-body wave functions. When only part of a system is measured, the…
Bridging Krylov Complexity and Universal Analog Quantum Simulator
Shuo Zhang, Yuzhi Tong, Pengfei Zhang +1
Quantum simulation of complex many-body systems beyond classical computational capabilities provides a promising route toward understanding novel quantum phases and their transitio…
Distinguishing Coherent and Incoherent Errors in Multi-Round Time-Reversed Dynamics via Scramblons
Zeyu Liu, Pengfei Zhang
Despite the rapid development of quantum science and technology, errors are inevitable and play a crucial role in quantum simulation and quantum computation. In quantum chaotic sys…
Scrambling Enabled Entropy Accumulation in Open Quantum Systems
Yuke Zhang, Zeyu Liu, Shuo Zhang +2
In closed quantum many-body systems, initially localized information spreads throughout the system and becomes highly complex. This phenomenon, known as information scrambling, is…
Diagnosing Strong-to-Weak Symmetry Breaking via Wightman Correlators
Zeyu Liu, Langxuan Chen, Yuke Zhang +2
Symmetry plays a fundamental role in quantum many-body physics, and a central concept is spontaneous symmetry breaking, which imposes crucial constraints on the possible quantum ph…
Fidelity of Wormhole Teleportation in Finite-qubit Systems
Zeyu Liu, Pengfei Zhang
The rapid development of quantum science and technology is leading us into an era where quantum many-body systems can be comprehended through quantum simulations. Holographic duali…