332 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of Science and Technology of ChinaCN155 papers
- Northwest UniversityCN104 papers
- Institute of Theoretical PhysicsCN97 papers
- Chinese Academy of SciencesCN91 papers
- University of Chinese Academy of SciencesCN88 papers
- Institute of Modern PhysicsCN79 papers
- Shaanxi Key Laboratory for Theoretical Physics FrontiersCN48 papers
- Songshan Lake Materials LaboratoryCN37 papers
- Institute of PhysicsPL36 papers
- Tianjin UniversityCN31 papers
- International Centre for Theoretical Physics Asia-PacificCN22 papers
- Peking UniversityCN19 papers
27 papers · 1 filter
Ergotropy Activation and Coherence in Dissipatively Charged Quantum Batteries
Hui-Yu Yang, Kang-Yuan Chen, Kun Zhang +2
Quantum batteries can exploit quantum resources to enhance energy storage and work extraction, and recent experimental progress has brought their implementation closer to reality.…
Emergent mirror symmetry in the optimization of the central-spin quantum battery
Hui-Yu Yang, Kun Zhang, Xiao-Hui Wang +1
Quantum batteries provide a useful setting for exploring nonequilibrium many-body effects in energy storage. Here we investigate the optimization of a quantum battery based on the…
Asymptotic optimality of Grover-Radhakrishnan-Korepin algorithm
Kun Zhang, Kang-Yuan Chen, Xiao-Hui Wang +1
Grover's algorithm is a cornerstone of quantum algorithms and is strictly optimal in oracle-query complexity. While the full search problem admits no further improvement, one may t…
Asymptotic bounds on quantum partial search algorithm and its applications to parallel search
Yan-Bo Jiang, Xiao-Hui Wang, Kun Zhang +1
Grover's algorithm provides a quadratic speedup over classical algorithms for searching an unstructured database and is known to be strictly optimal in oracle query complexity, wit…
Entanglement is protected by acceleration-induced transparency in thermal field
Yongjie Pan, Baocheng Zhang, Qingyu Cai
The acceleration-induced transparency (AIT) effect has been suggested recently to amply the transition probability of the two-level detctor and offers a potential avenue for the ex…
Quantum Energy Teleportation under Equilibrium and Nonequilibrium Environments
Xiaokun Yan, Kun Zhang, Jin Wang
Quantum energy teleportation (QET), implemented via local operations and classical communication, enables carrier-free energy transfer by exploiting quantum resources. While QET ha…
Absence of local conserved charges of the Fredkin spin chain and its truncated versions
Wen-Ming Fan, Kun Hao, Yang-Yang Chen +3
Conservation laws serve as the hallmark of integrability. The absence of conserved charges typically implies that the model is nonintegrable. The recently proposed Fredkin spin cha…
Fluctuation theorems for multipartite quantum coherence and correlation dynamics
Kun Zhang, Mo-Yang Ni, Hai-Long Shi +2
Fluctuation theorems establish exact relations for nonequilibrium dynamics, profoundly advancing the field of stochastic thermodynamics. In this work, we extend quantum fluctuation…
Quantum Teleportation in Non-equilibrium Environments and Fixed-point Fidelity
Xiaokun Yan, Zhihai Wang, Kun Zhang +1
Quantum teleportation, a fundamental protocol in quantum information science, enables the transfer of quantum states through entangled particle pairs and classical communication ch…
Entanglement and energy transportation in the central-spin quantum battery
Fan Liu, Hui-Yu Yang, Shuai-Li Wang +3
Quantum battery exploits the principle of quantum mechanics to transport and store energy. We study the energy transportation of the central-spin quantum battery, which is composed…
Optimal energy storage and collective charging speedup in the central-spin quantum battery
Hui-Yu Yang, Kun Zhang, Xiao-Hui Wang +1
Quantum batteries (QBs) exploit principles of quantum mechanics to accelerate the charging process and aim to achieve optimal energy storage. However, analytical results for invest…
Experimental Verification of Demon-Involved Fluctuation Theorems
L. -L. Yan, J. -T. Bu, Q. Zeng +8
The limit of energy saving in the control of small systems has recently attracted much interest due to the concept refinement of the Maxwell demon. Inspired by a newly proposed set…
Near-deterministic quantum search algorithm without phase design
Zhen Wang, Kun Zhang, Vladimir Korepin
Grover's algorithm solves the unstructured search problem. Grover's algorithm can find the target state with certainty only if searching one out of four. Designing the deterministi…
Geometric representations of braid and Yang-Baxter gates
Kun Zhang, Kun Hao, Kwangmin Yu +2
Brick-wall circuits composed of the Yang-Baxter gates are integrable. It becomes an important tool to study the quantum many-body system out of equilibrium. To put the Yang-Baxter…
Exact Spin Correlators of Integrable Quantum Circuits from Algebraic Geometry
Arthur Hutsalyuk, Yunfeng Jiang, Balazs Pozsgay +2
We calculate the correlation functions of strings of spin operators for integrable quantum circuits exactly. These observables can be used for calibration of quantum simulation pla…
Superfluid Oscillator Circuit with Quantum Current Regulator
Xue Yang, Wenkai Bai, Chen Jiao +3
We examine the properties of atomic current in a superfluid oscillating circuit consisting of a mesoscopic channel that connects two reservoirs of a Bose-Einstein condensate. We in…
Optimal energy storage in the Tavis-Cummings quantum battery
Hui-Yu Yang, Hai-Long Shi, Qing-Kun Wan +3
The Tavis-Cummings (TC) model, which serves as a natural physical realization of a quantum battery, comprises atoms as battery cells that collectively interact with a shared…
Floquet topological phase transitions induced by uncorrelated or correlated disorder
Jun-Hui Zheng, Arijit Dutta, Monika Aidelsburger +1
The impact of weak disorder and its spatial correlation on the topology of a Floquet system is not well understood so far. In this study, we investigate a model closely related to…
Optimal realization of Yang-Baxter gate on quantum computers
Kun Zhang, Kwangmin Yu, Kun Hao +1
Quantum computers provide a promising method to study the dynamics of many-body systems beyond classical simulation. On the other hand, the analytical methods developed and results…
Observation of critical phase transition in a generalized Aubry-André-Harper model on a superconducting quantum processor with tunable couplers
Hao Li, Yong-Yi Wang, Yun-Hao Shi +15
Quantum simulation enables study of many-body systems in non-equilibrium by mapping to a controllable quantum system, providing a new tool for computational intractable problems. H…
Entanglement and work extraction in the central-spin quantum battery
Jia-Xuan Liu, Hai-Long Shi, Yun-Hao Shi +2
We consider a central-spin battery where central spins serve as battery cells and bath spins serve as charging units. It is shown that the energy stored in the battery…
Entanglement, Coherence, and Extractable Work in Quantum Batteries
Hai-Long Shi, Shu Ding, Qing-Kun Wan +2
We investigate the connection between quantum resources and extractable work in quantum batteries. We demonstrate that quantum coherence in the battery or the battery-charger entan…
Quantum Simulation for High Energy Physics
Christian W. Bauer, Zohreh Davoudi, A. Baha Balantekin +28
It is for the first time that Quantum Simulation for High Energy Physics (HEP) is studied in the U.S. decadal particle-physics community planning, and in fact until recently, this…
Can a spin chain relate combinatorics to number theory?
Kun Hao, Olof Salberger, Vladimir Korepin
The Motzkin spin chain is a spin- frustration-free model introduced by Shor & Movassagh. The ground state is constructed by mapping random walks on the upper half of the square…