9 citations · 18 across the 11 of their papers we have counts for
13 papers
Characterizing Fermionic Non-Gaussianity in the Sachdev-Ye-Kitaev Model via Replica Twist Entropy
Ning Sun, Pengfei Zhang
Understanding the non-equilibrium dynamics of quantum many-body systems plays a central role in modern many-body physics. Intriguing insights emerge from investigating how quantum…
Fermionic Gaussian Scrooge Ensembles in Deep Thermalization
Ning Sun, Pengfei Zhang
Measuring part of a many-body wave function generates a projected ensemble of pure quantum states on the unmeasured subsystem. Recent advances in deep thermalization have shown tha…
Post-Selection Probability and Fidelity of Bidirectional Teleportation
Ning Sun, Lei Feng, Pengfei Zhang
Understanding the scrambling of quantum information is central to many areas of quantum physics, including quantum thermalization, entanglement growth, and quantum information proc…
Scar Full Eigenstate Thermalization Hypothesis
Ning Sun, Yanting Cheng
The eigenstate thermalization hypothesis (ETH) provides a fundamental mechanism for emergent statistical mechanics in isolated chaotic quantum systems, asserting that individual en…
Unitary Designs from Two Chaotic Hamiltonians and a Random Pauli Operation
Ning Sun, Pengfei Zhang
The realization of unitary designs is of fundamental interest in quantum science and typically requires the ability to implement structured quantum circuits. Recent developments ha…
Connecting Magic Dynamics in Thermofield Double States to Spectral Form Factors
Ning Sun, Pengfei Zhang
Under unitary evolution, chaotic quantum systems initialized in simple states rapidly develop high complexity, precluding any efficient classical description. Quantum chaos is trad…
Universal Relations in Long-range Quantum Spin Chains
Ning Sun, Lei Feng, Pengfei Zhang
Understanding the emergence of novel collective behaviors in strongly interacting systems lies at the heart of quantum many-body physics. Valuable insight comes from examining how…
Hybrid Brownian SYK-Hubbard Model: from Spectral Function to Quantum Chaos
Ning Sun, Peng Zhang, Pengfei Zhang
Understanding the emergence of complex correlations in strongly interacting systems remains a fundamental challenge in quantum many-body physics. One fruitful approach is to develo…
Stabilizer Rényi Entropy and its Transition in the Coupled Sachdev-Ye-Kitaev Model
Pengfei Zhang, Shuyan Zhou, Ning Sun
Quantum entanglement and quantum magic are two distinct fundamental resources that enable quantum systems to exhibit complex phenomena beyond the capabilities of classical computer…
Universal Bound States in Long-range Spin Chains with an Impurity
Ning Sun, Lei Feng, Pengfei Zhang
Understanding how quasi-particles interact with impurities is crucial for unveiling novel properties of quantum many-body systems. A prominent example is the enhanced scattering be…
Efimov Effect in Long-range Quantum Spin Chains
Ning Sun, Lei Feng, Pengfei Zhang
When two non-relativistic particles interact resonantly in three dimensions, an infinite tower of three-body bound states emerges, exhibiting a discrete scale invariance. This univ…
Scheme to Detect the Strong-to-weak Symmetry Breaking via Randomized Measurements
Ning Sun, Pengfei Zhang, Lei Feng
Symmetry breaking plays a central role in classifying the phases of quantum many-body systems. Recent developments have highlighted a novel symmetry-breaking pattern, in which the…
Strong-to-weak Symmetry Breaking and Entanglement Transitions
Langxuan Chen, Ning Sun, Pengfei Zhang
When interacting with an environment, the entanglement within quantum many-body systems is rapidly transferred to the entanglement between the system and the bath. For systems with…