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quant-ph2025

Quantum Phase Transitions in Coherent Ising Machines: XY Model for Demonstration

Shuang-Quan Ma, Jing-Yi-Ran Jin, Qing Ai

In this work, we study the detection of quantum phase transitions (QPTs) in coherent Ising machines (CIMs) through a spectral mapping between the one-dimensional XY spin model and…

quant-ph2025

Quantum batteries in coherent Ising machine

Jin-Tian Zhang, Shuang-Quan Ma, Jing-Yi-Ran Jin +2

With intensive studies of quantum thermodynamics, quantum batteries (QBs) have been proposed to store and transfer energy via quantum effects. Despite many theoretical models, deco…

quant-ph2025

Suppressing Degradation in Quantum Batteries by Electromagnetically-induced Transparency

Jin-Tian Zhang, Cheng-Ge Liu, Qing Ai

Quantum batteries (QBs), as emerging quantum devices for energy storage and transfer, have attracted significant attention due to their potential to surpass classical batteries in…

quant-ph2025★ 3 cited

Nonreciprocal quantum coherence in cavity magnomechanics via the Barnett effect

Jinhao Jia, Yingru Li, Juan Huang +1

We theoretically investigate the quantum coherence ans its nonreciprocity in a cavity magnomechanical (CMM) syetem, which consists of a rotating yittrium iron garnet (YIG) sphere a…

quant-ph2025★ 4 cited

Quantum-assisted variational Monte Carlo

Longfei Chang, Zhendong Li, Wei-Hai Fang

Solving the ground state of quantum many-body systems remains a fundamental challenge in physics and chemistry. Recent advancements in quantum hardware have opened new avenues for…