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6 papers · 2 filters
Hidden exceptional point, localization-delocalization phase transition in Hermitian bosonic Kitaev model
D. K. He, Z. Song
Exceptional points (EPs), a unique feature of non-Hermitian systems, represent degeneracies in non-Hermitian operators that likely do not occur in Hermitian systems. Nevertheless,…
Topological quantum slinky motion in resonant extended Bose-Hubbard model
H. P. Zhang, Z. Song
We study the one-dimensional Bose-Hubbard model under the resonant condition, where a series of quantum slinky oscillations occur in a two-site system for boson numbers $n\in \lbra…
Observing tight triple uncertainty relations in two-qubit systems
Yan Wang, Jie Zhou, Xing-Yan Fan +8
As the fundamental tool in quantum information science, the uncertainty principle is essential for manifesting nonclassical properties of quantum systems. Plenty of efforts on the…
Dynamic Moiré-like pattern in non-Hermitian Wannier-Stark ladder system
H. P. Zhang, Z. Song
We study the dynamical behavior of the non-Hermitian Wannier-Stark ladder system, which is a non-Hermitian Su-Schrieffer-Heeger chain with a position-dependent real potential. In t…
Goos-H{ä}nchen Shift for Relativistic Particles Based on Dirac's Equation
Jiang-Lin Zhou, Zhen-Xiao Zhang, Xing-Yan Fan +1
The Goos-H{ä}nchen (GH) shift is a specifical optical phenomenon that describes a shift parallel to the reflected light inside the plane of incidence, when a finite-width light und…
Einstein-Podolsky-Rosen steering paradox "2=1'' for qubits
Zhi-Jie Liu, Jie Zhou, Hui-Xian Meng +4
Einstein-Podolsky-Rosen (EPR) paradox highlights the absence of a local realistic explanation for quantum mechanics, and shows the incompatibility of the local-hidden-state models…