Quantum entanglement in the Sachdev—Ye—Kitaev model and its generalizations

P Zhang - Frontiers of Physics, 2022 - Springer
Entanglement is one of the most important concepts in quantum physics. We review recent
progress in understanding the quantum entanglement in many-body systems using large-N …

Non-Abelian generalization of non-Hermitian quasicrystals: -symmetry breaking, localization, entanglement, and topological transitions

L Zhou - Physical Review B, 2023 - APS
Non-Hermitian quasicrystal forms a unique class of matter with symmetry-breaking,
localization and topological transitions induced by gain and loss or nonreciprocal effects. In …

[HTML][HTML] Emergent Replica Conformal Symmetry in Non-Hermitian SYK Chains

P Zhang, SK Jian, C Liu, X Chen - Quantum, 2021 - quantum-journal.org
Recently, the steady states of non-unitary free fermion dynamics are found to exhibit novel
critical phases with power-law squared correlations and a logarithmic subsystem …

Tunable confinement-deconfinement transition in an ultracold-atom quantum simulator

Y Cheng, S Liu, W Zheng, P Zhang, H Zhai - PRX Quantum, 2022 - APS
The one-dimensional lattice Schwinger model has recently been realized by using bosons
in optical lattices. This model contains both confinement and deconfinement phases, the …

Generation of non-Rayleigh nondiffracting speckles

R Liu, B Qing, S Zhao, P Zhang, H Gao, S Chen, F Li - Physical review letters, 2021 - APS
Optical speckle fields with both non-Rayleigh statistics and nondiffracting characteristics in
propagation are an important light source for many applications. However, tailoring either …

Efficient classical shadow tomography through many-body localization dynamics

TG Zhou, P Zhang - arXiv preprint arXiv:2309.01258, 2023 - arxiv.org
Classical shadow tomography serves as a potent tool for extracting numerous properties
from quantum many-body systems with minimal measurements. Nevertheless, prevailing …

Distinguishing quantum phases through cusps in full counting statistics

CY Wang, TG Zhou, YN Zhou, P Zhang - arXiv preprint arXiv:2312.11191, 2023 - arxiv.org
Measuring physical observables requires averaging experimental outcomes over numerous
identical measurements. The complete distribution function of possible outcomes or its …

Full counting statistics across the entanglement phase transition of non-Hermitian Hamiltonians with charge conservation

TG Zhou, YN Zhou, P Zhang - Physical Review B, 2023 - APS
Performing quantum measurements produces not only the expectation value of a physical
observable O but also the probability distribution P (o) of all possible outcomes o. The full …

Equation of state of neutron-rich matter in d-dimensions

BJ Cai, BA Li - Annals of Physics, 2022 - Elsevier
Nuclear systems under constraints, with high degrees of symmetries and/or collectivities
may be considered as moving effectively in spaces with reduced spatial dimensions. We first …

BCS-BEC crossover of atomic Fermi superfluid in a spherical bubble trap

Y He, H Guo, CC Chien - Physical Review A, 2022 - APS
We present a theory of a two-component atomic Fermi gas with tunable attractive contact
interactions on a spherical shell going through the Bardeen-Cooper-Schrieffer (BCS)–Bose …