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6 papers
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…
Identifying Entanglement Phases with Bipartite Projected Ensembles
Zi-Yong Ge, Franco Nori
We introduce bipartite projected ensembles (BPEs) for quantum many-body wave functions, which consist of pure states supported on two local subsystems, with each state associated w…
Observation of Inelastic Meson Scattering in a Floquet System using a Digital Quantum Simulator
Ziting Wang, Zi-Yong Ge, Yun-Hao Shi +19
Lattice gauge theories provide a non-perturbative framework for understanding confinement and hadronic physics, but their real-time dynamics remain challenging for classical comput…
Characterizing Many-body Dynamics with Projected Ensembles on a Superconducting Quantum Processor
Zhiguang Yan, Zi-Yong Ge, Rui Li +3
Quantum simulators offer a new opportunity for the experimental exploration of non-equilibrium quantum many-body dynamics, which have traditionally been characterized through expec…
Multipartite Entanglement in Crossing the Quantum Critical Point
Hao-Yu Sun, Zi-Yong Ge, Heng Fan
We investigate the multipartite entanglement for a slow quantum quench crossing a critical point. We consider the quantum Ising model and the Lipkin-Meshkov-Glick model, which are…
Nonmesonic Quantum Many-Body Scars in a 1D Lattice Gauge Theory
Zi-Yong Ge, Yu-Ran Zhang, Franco Nori
We investigate the meson excitations (particle-antiparticle bound states) in quantum many-body scars of a 1D lattice gauge theory coupled to a dynamical spin-$\frac{…