5 papers
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…
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…
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…
Rabi Oscillations of Strongly Driven Bose Polarons
Zeyu Liu, Pengfei Zhang
Understanding the dynamical behavior of quasiparticles is essential for uncovering novel quantum many-body phenomena. Among these phenomena, the polaron in ultracold atomic gases h…