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100 papers · 1 filter
Torsion-induced gauge structure in curved quantum waveguides
Xu-Yang Hou, Xianlong Gao, Hao Guo
We investigate the effective dynamics of a particle confined near a space curve. In the strict thin-layer reduction of the nondegenerate transverse ground state, torsion does not e…
Theory of the Uhlmann Phase in Quasi-Hermitian Quantum Systems
Xu-Yang Hou, Xin Wang, Hao Guo
Geometric phases play a fundamental role in understanding the geometric structure of quantum states, yet extending the Uhlmann phase to non-Hermitian systems poses significant chal…
Generation of mechanical cat-like states via optomagnomechanics
Hao-Tian Li, Hong-Bin Wang, Zi-Xu Lu +1
We propose an optomagnomechanical approach for preparing a cat-like superposition state of mechanical motion. Our protocol consists of two steps and is based on the magnomechanical…
Quantum Approximate Optimization Algorithm for Maximum Likelihood Detection in Massive MIMO
Yuxiang Liu, Fanxu Meng, Zetong Li +2
In the massive multiple-input and multiple-output (Massive MIMO) systems, the maximum likelihood (ML) detection problem is NP-hard and becoming classically intricate with the numbe…
Uhlmann and scalar Wilczek-Zee phases of degenerate quantum systems
Xin Wang, Hao Guo, Chih-Chun Chien
The Wilczek-Zee (WZ) holonomy arises in degenerate states while the Uhlmann holonomy characterizes finite-temperature topology. We investigate possible relationships between the Uh…
Bound-like State in a 1D Self-Similar Delta-Barrier Array
Jia-Chen Tang, Xu-Yang Hou, Yan He +1
We investigate a one-dimensional quantum system with a self-similar arrangement of delta-function potential barriers, exhibiting discrete scale invariance. The singular potential i…